BIBLIOGRAPHY OF 1874. I77 



concludes with a review of his work on this subject, to ascertain 

 whether reHance may safely be placed on these characters (den- 

 tition, &c.) as a basis for subgeneric distinction. 



Chapman (Dr.)— Generative Apparatus of Tebenno- 

 phorus Carol inensis. — Short note in Proc. Acad. Nat. 

 Sci. Philad. 1874, pp. 79, 80. 



Conrad (T. A.)— Description of Two New Fossil Shells 

 of the Upper Amazon. — Proc. Acad. Nat. Sci. Philad. 

 1874, pp. 82, 83, and plate xii. 



Haplothccrus capax and Heniisinus tuherculifenis. Figures 

 are also given oi Pachydon /c'/////^ and another species oi Pachydon. 



Lewis (James, M.D.) — Description of a New Species of 



Heiix. — Proc. Acad. Nat. Sci. Philad. 1S74, pp. 118, 119, 

 and woodcut. 



Helix [Mesodon) Laivii from North Carolina. 



Lewis (James, M.D.) — On a New Variety of Helix. — Proc. 



Acad. Nat. Sci. Philad. 1874, p. 162. 



The variety is cinda of Helix {Sie/iotrema) iiionodon Racket, 

 from North Carolina. 



Lacaze-Duthiers (H. de). ^ — The Acoustic Nerve in 

 Dental iurn. — Note sur le Nerf acoustique du Dentale. — 

 Arch, de Zool. Exp. et Gen. iii., pp. 20, 21, Paris, 1874. 



Noticed by Dr. H. von Ihering in the Jahrbiicher, April 

 1876, iii., 190. 



J.C, ii., June, 1879. 



