﻿438 COLLKTOPTKRUM 



Anodontites radiata \'ai.ivXCii;nni;s, luic. Mcth.. 1824, p. .147, 



pi. cciii, fiq". ^ = ModioUiria iiii^ra. 

 Anodonta rcciinirostra Ij;a, Syn., 1870, p. 84; Kuster (?). 

 Anodonta rui^ifera Dunkkr, ATal. Rl., 1858, p. 225. Probably 



a Sf^atlia. 

 Anodonta scdakoiA v^iixmaschko, lUill. de Ac. Petersb.. 1849, 



p. 225. 

 Anodonta sonicrsi C.m.i., Am. Nat.. 1880, p. 529, credited to 



Moore, manuscript. A. grandis fide Call. 

 Anodon triangularis Sowrri'.v, Conch. Icon., X\'II, 1867, pi. 



XV, fig. 56. 

 Anodonta trigona Hf.i.d, Isis., 1836, p. 280. A. cygnea prob- 

 ably. The name was used by Spix in 1827. 

 Anodonta truncata Kuster, Faun. Dalm., 1866, p. 131. 

 Ajiodnnta tutiicana AFoREr.ET, Jl. de Conch., 1864, P- 156. 

 Anodonta Tiridis II. and A. Adams, Gen. Rec. AIolL, II, 1857, 



p. 503. as of Lea. Lea did not describe it. 

 Anodonta snlcosa H. and A. Adams, Gen. Rec. Moll, II, 1857, 



p. 503. Said to be of Conrad. Where? 



Genus COLLETOPTERUM P.ourguignat, 188 1. 



CoUetoptcruni ISourguignat, Lettres Malacologiques, 1881, p. 



45- 



Shell inflated, thin ; hinge arched ; very short, without teeth, 

 but with a feeble lateral lamella, shown in pronounced relief, 

 winged in front and behind ; ligament internal. 



Animal unknown. 



Type, Anodonta Ictourncnxi IJourguignat. 



This grou]) was established as a genus bv Bourguignat to 

 include a few thin-shelled, inflated, winged Xaiades from the 

 Danulie. 'J^he hinge is said to have rudimentary laterals. Four 

 species have been placed in it by its author and by W'esterlund. 

 I have seen no member of the genus. 



Cof.r.RTOPTicRu.M i,i:toitrni:uxi liourguignat. 



Shell irregularly obovate, subcompressed, thin, with a low, 

 angled anterior wing and a high, irregular dorsal one ; beaks 

 compressed, but elevated and sharp, with undiflated sculpture ; 



