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Clavis Agaricinorum; an Analytical Key to the 
British Agaricini, with Characters of the Genera and Sub-genera. 
By Wortuineton G. Suiru, F.L.S. 6 Plates, 2s. 6d. 
SHELLS AND MOLLUSKS. 
Testacea Atlantica; or, the Land and Freshwater 
Shells of the Azores, Madeiras, Salvages, Canaries, Cape Verdes, 
and Saint Helena. By T. Vernon Wottaston, M.A., F.L.S. 
Demy 8vo, 25s. 
Elements of Conchology; an Introduction to 
the Natural History of Shells, and of the Animals which form 
them. By Lovett Reeve, F.L.8. Royal 8vo, Two Vols., 62 
Coloured Plates, £2 16s. 
Conchologia Iconica ; or Figures and Descriptions 
of the Shells of Mollusks, with remarks on their Affinities, Syno- 
nymy, and Geographical Distribution. By Loven Reerve, 
F.L.S., and G. B. Sowrrsy, F.L.S., complete in Twenty Vols., 
Ato, with 2727 Coloured Plates, half-calf, £178. 
A detailed list of Monographs and Volumes may be had. 
Conchologia Indica; Illustrations of the Land and 
Freshwater Shells of British India. Edited by Sytvanvs 
Haney, F.L.S., and Wint1am THEOBALD, of the Geological 
Survey of India. Complete in One Vol., 4to, with 160 Coloured 
Plates, £8 5s. 
The Edible Mollusks of Great Britain and Ireland, 
with the Modes of Cooking them. By M. 8. Lovenn. Crown 
8vo, with 12 Coloured Plates, 8s. 6d. 
INSECTS. 
Insecta Britannica; Vol. III., Diptera. By 
Francis WALKER, F.L.8. 8vo, with 10 Plates, 25s. 
