LIKITEAN SOCIETY OF LONDOK. XVU 



— Lacaze Duthiers. On the organization and embryogeny 

 of Ascidia (from the Comptes Rendus). Ann. Nat. Hist. 

 Ser. 4, vi. 



E. R, Lankester. On the zoological affinities of the Sponges. 

 Ann. Nat. Hist. Ser. 4, vi. 



N. Miklucho-Maclay. Some Sponges of the N. Pacific and Arctic 

 Oceans in the Zoological Museum of the Imperial Academy of 

 Sciences, St. Petersburg, 2 plates. Mem. Imp. Acad. Sc. Petersb. 

 xvi. — The Sponges of the White and Arctic seas. BuU, Imp. Acad. 

 Sc. Petersb. xv. 



A. J. Malmgren. On the occurrence of animal life at great depths 

 in the sea (from Trans. Linn. Soc. Sc. Helsingfors). Zeitsehr. vsdss. 

 Zool. XX. 



E. Metchnikoff. Studies on the development of Echinoderms and 

 Nemertines, 12 plates. Mem. Imp. Acad. Petersb. xiv. — Notes on 

 some Echinoderms. Bull. Imp. Acad. Petersb. xiv. — On the deve- 

 lopment of some Coelenterata. Ibid. xv. 



St. G. Mivart. The Echinus or Sea-Urchin, 1 plate. Pop. Sc. 

 Rev. ix. 



E. S. Morse. The Brachiopods, a division of Annelids, woodcuts 

 (from Sniim. Journ.). Ann. Nat. Hist. Ser. 4, vi. 



E. L. Moss. On the anatomy of A2)2JendicuIa7'ia, 1 plate. Trans. 

 Linn. Soc. xxvii. 



E. Perrier. On the Circulation of the Oligochgeta of the Nais- 

 group (from the Comptes Rendus). — On the scissiparous reproduc- 

 tion of the Naidiua (from the Comptes Rendus). Ann. Nat. Hist. 

 Ser. 4, vi. 



R. A. Philippi. On Temnocephala chileiisis, \ plate. Wiegm. 

 Archiv, xxxvi. 



T. G. Preston. A new parasite from the Tiger. Monthly Microsc. 

 Journ. iv. 



F. H. Troschel. On some new Sea-Urchins. Trans. Nat. Hist. 

 Soc. Rhen. Pruss. xxvi. 



R. Uljanin. On the anatomy and development of PediceUhice, 

 2 plates. Bull. Soc. Imp. Nat. Mosc. 1869. 



A. E. VerriU. On new and imperfectly known Echinoderms and 

 Corals. Proc. Bost. Soc. Nat. Hist. xii. — Synopsis of the Polypes 

 and Corals of the N. Pacific Exploring Expedition (continued), 2 

 plates. Proc. Essex Inst. Salem, vi. 



J. G. Waller. On the conjugation of Actinophrys Sol, 1 plate. 

 Journ. Quek. Microsc. Club, ii. 



LINN. PROC. — Session 1870-71. c 



