Brown Harley P (10 results)

Soft cover. Condition: Very Good. Blue wraps are bright. Very slightly bumped at the front corners of the front wraps. No markings. 82pp. Illustrated with sketches.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Hardcover. Condition: Very Good. No Dustjacket. First Edition. ISBN . B000HKABGG Hardback. No statement of later printing on copyright page. No dustjacket; bound in maroon boards with gold gilt lettering on front. Slight wear to corners and edges; slight fade to edges of boards; very slight dustsoiling to page edges; otherwise tight, sound and unmarked in Very Good condition. No Signature.…

HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000.

Condition: Good. Good condition. No. 6. (beetles, coleoptera, north america, identification) A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. Bundled media such as CDs, DVDs, floppy disks or access codes may not be included.…

Hardcover. Condition: Fine. Dust Jacket Condition: No Jacket, as issued. 1st Edition. Hardcover, no dust jacket, as issued - full maroon buckram over boards with gold lettering stamped on front. Sewn binding. 82 pages, with 198 pen and ink figures, glossary, bibliography, index. 1st Edition, 1st Printing. Water Pollution Control Research Series. ID Manual No. 6. CONDITION: FINE, binding square and tight, pages bright and unmarked, save for former owner's last name on flyleaf. CONTENT: An illustrated key is given for all known species of adult dryopoid beetles of the US which have aquatic stages and might be useful as indicators of water quality. >Guaranteed secure packaging, free tracking, and no-hassle return policy.…

Paperback. Condition: New. Print on Demand. This book serves as a comprehensive guide to aquatic dryopoid beetles, commonly known as riffle beetles, found in the United States. It delves into the world of these often overlooked but ecologically significant insects, highlighting their role as indicators of water quality. The author provides detailed keys for identifying adult and larval stages of various dryopoid beetle species, encompassing families such as Elmidae, Psephenidae, Dryopidae, and Limnichidae. Each species account includes information on habitat, range, and life history, offering valuable insights into their ecological niches and adaptations. The book also explores collection, preservation, and identification techniques, making it a valuable resource for both amateur entomologists and seasoned researchers. Beyond taxonomic details, the book explores the fascinating life cycles and ecological roles of these aquatic beetles. Readers will discover the unique adaptations of elmid beetles, which utilize a plastron ââ â a thin film of air ââ â for underwater respiration, making them particularly sensitive to water pollution. The book also sheds light on the intriguing life history of Helichus beetles, where adults are aquatic while larvae are terrestrial. By unraveling the hidden world of aquatic dryopoid beetles, this book underscores their importance as biological indicators and contributes to our understanding of freshwater ecosystems. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…

Condition: VG. 1972 Environmental Protection Agency. Biota of Freshwater Ecosystems Identification Manual No. 6. Hardcover. 4to., 82pp., illustrations, index, original gilt printed cloth. Label on front, short ink number at margin of front free blank, one or two Depository Library stamps. VG.