BIBLIOGRAPHY OF 1 879. 75 



what is yet to be done. The notes under the heading of Habitat 

 in this catalogue are often most interesting, giving details not only 

 of the exact localities for the species, but notes also of their local 

 names. 



Brazier (John, C.M.Z.S.) — Description of a New species 



of Vivipara. — Proc. Linn. Soc, New South Wales 1879, 

 iii., 221 and 222. 



V. Aiisoni, from Diamantina River, Queensland. 



Brooks (Prof. W. K.) — Amphioxus and Lingula at the 

 mouth of Chesapeake Bay. — Amer. Nat, Jan. 1879, 

 xiii. 45. 



Embryological note. 



Call (P. Ellsworth.) — Synonymous Unios. — Amer. Nat., 

 June 1879, xiii., 392 and 393. 



Notes on U. nasutus Say, U. Nashvillensis Lea, U. Mississippi- 



ensis Conr., U. subrostratiis Say. The three last names appertain 



to one species, Say's name having priority. It is often erroneously 



named by collectors as U. nasuhcs. 



Dercum (Francis, M.D., Ph.D.) — The Sensory Organs. — 

 Suggestions with a view to generalization. — Amer. 

 Nat. Sept. 1878, vol. xii., 579 to 593. 



This paper though mainly relating to vertebrate animals 



includes a discussion at p. 591 on the structure and development 



of the eyes of cephalopods. 



Pietl (M. J.) — Researches on the Organization of the 

 Brain of Invertebrate animals. — Parts I and II (Cepha- 

 lopoda, Tethys, Crustacea). — Sitzungsberichte d. k. ak. d. 

 Wissenshaften, section I, Mathematics and Natural Science, 

 vol. Ixxvii., part 5, May 1878. 10 plates. 



Doring (Dr. A.) — Systematic and Anatomical Studies of 

 the Pulmoniferous mollusca of the Plata.— Estudios 



