Philipson g n (2 risultati)

Soft cover. Condizione: Near Fine. 1st Edition. Freshwater Biological Association Scientific Publication No.51. Paperback in NearFine condition, 8vo. Blue stiff wrappers with black-and-white illustration. Illustrations, bibliography, index. The authors present keys, descriptions, and numerous line-drawings of these aquatic insects. Almost like new.…

Condizione: new. ALL UK PARCELS SENT TRACKED! ALL OVERSEAS PARCELS SENT AIRMAIL, TRACKED! (S/hand, Paperback, 1990). 1990 1st edition. 8vo paperback (147 x 209mm). Pp240. Line drawings, extensive list of references. Blue card covers. Slight shelf-wear but very good. "Caddis larvae that build and carry cases of mineral and plant materials are some of the most conspicuous members of the British freshwater fauna. Nevertheless the ecology of these case-bearers is poorly known because, until recently, it has been difficult or impossible to identify many of the species and the lack of detailed keys for identification has hampered or prevented research on their biology and ecology. This situation will now be redressed, I hope, by the publication of the first FBA key to the case-bearing caddis larvae of Britain and Ireland. .The key will, I am sure, prove to be a worthy companion for the FBA key to caseless caddis larvae (No. 43 by J.M. Edington & A.G. Hildrew, 1981). Unlike it and other recent FBA Scientific Publications the new key does not have a separate section of ecological notes, although brief mention is made of distributions and habitats at appropriate places in the text. With this minor caveat emptor in mind I am certain that all will welcome the long-awaited publication of this key." (J.G. Jones, Director). .…