CONCHIFERA. 



471 



Fig. 268. Crassatella pulchra. Sandy Cape, J. B. Jukes. 

 Animal as seen on the removal of the rightvalve, and portion of the mantle. 



Crassatella (pulchra) animal like Jstarte; foot linguiform, slightly 

 grooved ; palpi short aud broad, few-plaited ; outer gill narrower in front. 



Cypricardia rostrata, Lara. Philip- 

 pines (p. 300). Animal with mantle- 

 lobes united, and covered with wrinkled 

 ei)idermis; siphonal orifices fringed; 

 gills deeply plicated, anterior part of 

 the outer gill united to the inner i 

 dorsal border narrow, plaited; ad- 

 ductor muscles of two elements. ^^' ' y'P^'^"'^ ' 



Goniophora, Phillips, 1848. Cypricardia cymbseformis, Sby. TJ. Sihirian, 

 Brit. [Mi/tilidcB'?) 



Eedonia, Rouault, Bull Soc. Geol. 8, 362. {= Pleurophorus ? p. 301.) 

 Shell oval, tumid ; hinge with cardinal and posterior teeth ; anterior adductor 

 bounded by a ridge. Fossil, L. Silurian, Brittany, Portugal. (Sharpe.) 



Carlonicola, Mc Coy, 1856 = Anthracosia, p. 308. 



Omalia, Ryck. 1856 = Pullastra bistriata, Portl. Carh. Belgium. 



Verticordia, p. 304. Syn. Trigonulina (ornata) D'Orb. Jamaica. Hinge- 

 teeth 2. 2; right valve with a long posterior tooth. Epidermis of large 

 nucleated cells, as in TrigoniadcB, to which family it undoubtedly belongs. 

 (PL XVII. f. 26.) 



Lucinopsis, p. 306. The type of this genus having been erroneously 

 placed in Cyclina by M. Deshayes, he has proposed a new genus {Lajonkairia) 

 for the second species, L. decussata, Phi. a fossH of the English Fliocene,h\x^ 

 still living in the Medit. 



