378 AMERICAN JOURNAL 



Descriptions of New Species and Varieties of Ghitonidse 

 and Acmseidse from the Panama Collection of the late 

 Prof. C. B. Adams, by philip p. carpenter. 



Lepn'dopleurns Adamsii. Callochiton pulchellus. 



" tenuisculptus. Acmsea (? floccatavar.) jilosa. 



Ischnochiton Elenensis. " subrotunda. 



" expressus. vernicosa. 



Diagnoses of Neiv Species of Mollusks from the West Tropi- 

 cal Beg ion of North America, principjally collected by the 

 Rev. J. Bo well, of San Francisco. BY PHILIP P. car- 

 penter. 



Tellina {Angulns) decumbens. Mangelia albolaqueata. 



Lucina undata. Eulima falcata. 



Galliostoma (Jlima, var.) segui Gerithiopsis intercalaris. 



sculpta. Golumbella humerosa. 



Narica insculpta. Muricidea dubia, var. sq.uarnu- 

 Drillia eburnea. lata. 



Part 2. April — June. 



List of the Land Shells collected by Mr. Wallace in the 

 Malay Archipelago, with Descriptions of the New Species 

 by Mr. Henry Adams. BY ALFRED R. WALLACE. 



The new species described by Henry Adams : — ■ 



Helix (Dorcasia) compta. Helix (Geotrochus) Blanfordi. 



" (Planispira) aspasia. Leptopoma scalare. 

 '•' [Geotrochus) Wa i giouensis. Pupina Pfeijferi. 

 " " turris. Truncatella (Taheitia) Wallacei. 



Description of a New Species of Gouldia from Port Jackson. 

 BY GEORGE FRENCH ANGAS. 



G. Australia, 



Descriptions of Two Species of Ghitonidse, from the Collec- 

 tion of W. Harper Pease. BY PHILIP P. CARPENTER. 



Lophyrus perviridis. Acanthopleura nigropunclata. 



Descriptions of New Genera and Species of Marine Shells 

 from the Islands of the Central Pacific. BY W. HARPER 

 PEASE 

 Libratula, new gen. (Galeommidse.) 

 Libratula plana. Mitra nigricans. 



Mitra scdlata. Neritina rubida. 



Engina fusiformis. Eulima subjjellucida. 



" ovata. Purpura marmorata. 



