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G. L. Mayr. Zoology of the Voyage of the Novara. 4to. Hemi- 

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Crustacea and Ahaneida : — 



A. Ausserer. Mode of life, development, and reproduction of 

 Spiders. Ferdinandeum Zeitschr. xiii. 



C. Heller. Zoology of the Yoyage of the Novara. 4to. Crus- 

 tacea, 25 jjlates. Purchased. 



J. C. Schiodtc. Structure of the mouth in sucking Crustacea 

 (translation), 1 plate. Ann. Nat. Hist. Ser. 4, i. 



11. M. dc Tcrmcycr. llcsearchcs and experiments upon silk from 

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MoLLcrscA : — 



M. P. Fischer. Observations on the Natural History of Cephalo- 

 poda (continued). Ann. Sc. Nat. Scr. 5, viii. 



G. V. Fraucnfeld. Zoology of the Voj'agc of the Novara. 4to. 

 Mollusca, 2 plates. Purchased. 



A. Issel. Catalogue of Mollusca collected by the Italian Mission 

 in Persia, with descriptions of new or little-known species, 3 plates. 

 Mem. Acad. Turin xxiii. 



S. de Luca and P. Panceri. Saliva and salivary organs of Dolium 

 Galea. Ann. Sc. Nat. Ser. 5, viii. 



F. M'Coy. On a new Volute, 1 plate. Ann. Nat. Hist. Ser. 4, i. 



E. T. Newton. Anatomical differences in some species of Helices 

 and Limaces, 2 plates. Journ. Microsc. Sc. xvi. 



Lower Orders oe Animals : — 



M. 13arthelemy. On Ithahditis terricola, Ann, Sc. Nat. Ser. 5, 

 viii. 



R. Brown. Nature of the discoloration of the Arctic Seas. Re- 

 print from ' The Farmer.' Presented. 



E, Claparede. Miscellances Zoologiques, 4 plates. Ann. Sc. Nat. 

 Ser. 5, viii. 



C. CoUingwood. On gigantic Sea-anemones in the China Sea. 

 Ann. Nat. Hist. Ser. 4, i. 



P. Duchassaing and J. Michclotti. Supplemental Memoir on the 

 Coralliaria of the Antilles, 11 plates. Mem. Acad. Turin xxiii. 



F. de Filippi. On the Hydrozoa of the Mediterranean, 1 plate, 

 Mem. Acad, Turin xxiii, 



A. Hyatt. Observations on Polyzoa (continued). Essex Instit: 

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