794 full-color photographs depict all the important rocks, gems, and minerals -- in many variations of color and crystal form -- and the natural environments in which they occur; written descriptions provide information on field marks, similar rocks and minerals, environment, areas of occurrence, and derivation of names. Includes a guide to mineral collecting and a list of rock-forming minerals

    Revealing the enormous potential of herbs, this sourcebook includes information on planting, growing, and harvesting herbs, as well as the main uses of herbs. It also offers an exhaustive identification guide, recipes, ideas for gifts, and much more.

    More than 300 color photos illustrate the plants, their flowers, leaves, and fruits. The descriptive text includes information on where the plants are found as well as their known medicinal uses. An index to medical topics is helpful for quickly locating information on specific ailments from asthma and headaches to colds and stomach aches. Symbols next to plant descriptions provide quick visual caution for plants that are poisonous or cause allergic reactions. Organized by plant color for fast identification, this guide is a tool for understanding the traditional medicinal uses of the plants around us.

    Based on vegetative rather than floral characteristics, this practical guide gives anyone who works with plants the ability to identify weeds before they flower.- A dichotomous key to all the species described in the book is designed to narrow the choices to a few possible species. Identification can then be confirmed by reading the descriptions of the species and comparing a specimen with the drawings and photographs.- A fold-out grass identification table provides diagnostic information for weedy grasses in an easy-to-use tabular key.- Specimens with unusual vegetative characteristics, such as thorns, square stems, whorled leaves, or milky sap, can be rapidly identified using the shortcut identification table.The first comprehensive weed identification manual available for the Northeast, this book will facilitate appropriate weed management strategy in any horticultural or agronomic cropping system and will also serve home gardeners and landscape managers, as well as pest management specialists and allergists.

    You'll learn how to overcome the unique issues that confront nighttime photographers and capture images of which you'll be proud. Co-author Jennifer Wu, an elite Canon "Explorer of Light" professional photographer, has become renowned for her ability to capture nighttime phenomena, from quarter-phase moon rises to shooting stars to the ephemeral Milky Way. this new guide reveals her methods and concentrates on photographing four principal subjects: stars as points of light, star trails, the moon, and twilight. these subjects share common photo techniques and considerations, but each also requires a distinct approach. Once captured, your digital images must be fi nished on the computer; coauthor and author of the bestselling Photography: Outdoors, James Martin, delves into the settings and procedures that elevate an image from mundane to striking. This clear and practical guide will help photographers of all levels portray the stunning spectacle of the night sky, preserving those special memories and moments from a life outdoors.

    Descriptive text includes measurements, diagnostic details, and information on habitat, range, feeding habits, sounds or songs, flight period, web construction, life cycle, behaviors, folklore, and environmental impact. An illustrated key to the insect orders and detailed drawings of the parts of insects, spiders, and butterflies supplement this extensive coverage.

    With meticulous illustrations and detailed descriptions of plants and animals found in every corner of the continent, this newly updated and revised edition is the perfect companion in the field and a storehouse of information for the armchair naturalist or student.

    The coloring book helps you memorize the anatomy content you need to know in both veterinary medicine and veterinary technology and gives you a fun way to review the information you have studied. All illustrations in the book are suitable for coloring and are of the highest quality, created by expert medical illustrators.Organized by body region, the book is divided into sections devoted to the head and neck; neck, back, and vertebral column; thorax; abdomen; pelvis; forlimb; and hindlimb.Numbered lead lines clearly identify structures to be colored and correspond to a numbered list beneath the illustration so you can easily visualize the veterinary anatomy. Plus, you can create your own color code using the numbered boxes provided for each illustration.Comprehensive veterinary anatomy coverage helps you reinforce your understanding of canine, feline, equine, porcine, ruminants, and avian anatomy.High quality illustrations make it easy for you to color in each anatomic region and review anatomic details.Self-study format provides a fun and interactive way to prepare for exams throughout your veterinary courses.Part of Elsevier's complete veterinary anatomy learning system, integrating core anatomy knowledge, engaging review, hands-on practice, and clinical application to give you a solid foundation for success!

    Birds play a prominent role in attracting visitors, too. The shimmering quetzals, gaudy macaws, and comical toucans only begin to hint at the impressive avian diversity to be found throughout this small country."--from the Introduction This is the one field guide the novice or experienced birder needs to identify birds in the field in the diverse habitats found in Costa Rica. It features descriptions and illustrations of more than 820 resident and neotropical migrant species found in Costa Rica, all in a compact, portable, user-friendly design. The detailed full-color illustrations show identifying features--including plumage differences among males, females, and juveniles--and views of birds in flight wherever pertinent. Additional features of this all-new guide include: o 166 original color plates depicting more than 820 species. o Concise text that describes key field marks for positive identification, as well as habitat, behavior, and vocalizations. o Range maps and texts arranged on opposing pages from illustrations for quick, easy reference. o The most up-to-date bird list for Costa Rica. o A visual guide to the anatomical features of birds with accompanying explanatory text. o Quick reference to vultures and raptors in flight.

    It presents the important traditional content of mineralogy including crystallography, chemical bonding, controls on mineral structure, mineral stability, and crystal growth to provide a foundation that enables students to understand the nature and occurrence of minerals. Physical, optical, and X-ray powder diffraction techniques of mineral study are described in detail, and common chemical analytical methods are outlined as well. Detailed descriptions of over 100 common minerals are provided, and the geologic context within which these minerals occur is emphasized. Appendices provide tables and diagrams to help students with mineral identification, using both physical and optical properties. Numerous line drawings, photographs, and photomicrographs help make complex concepts understandable. Introduction to Mineralogy not only provides specific knowledge about minerals but also helps students develop the intellectual tools essential for a solid, scientific education. This comprehensive text is useful for undergraduate students in a wide range of mineralogy courses.

    Colorful and easy to use, this guide for the identification of shells includes general information on mollusks and advice on shell collecting and study.

    Two hundred million years ago most of Washington consisted of two large islands, each one a scrap of continent, lying somewhere in the vastness of the Pacific Ocean. One after the other they docked onto the North American continent, each adding its distinctive bit to the complex geologic and geographic mosaic of western North America.

    The introduction contains illustrations of the main leaves, buds, and firs you are likely to find, and these provide the starting point for identification by leading you to a 'key' species.Within each tree family there is a list of key species and a guide to the most important features to look for when identifying a particular tree from that family. Then individual species are clearly described and a detailed illustration is given on the same page.Covering all the tree species found outside the major arboretums, from the olive tree to the eucalyptus, this is one of the most important tree guides to have appeared in the last 20 years. The illustrations are annotated with essential identification features, and the text highlights the most important things to look for to aid fast and accurate identification. There is also coverage of all the species native to Southern Europe.

    Includes hundreds of new plants and photos. 0-7566-0616-0$80.00 / DK Publishing, Inc.

    It describes more than 100 food plants and gives specific information on the growth habits, culture, harvest, and storage of each.