212 



Subgemis Cultellus, Conr. 

 " T. convexa, marginibus ventrali et dorsali parallelis ; niargi- 

 nibus antico et postico subcequalibus, valde hiantibus ; dentibus 

 plerumąue ii. in utraąue valva ; costee internce carens." 

 Ex. S. caribbceus, S. Dombeii, S. strigillatus, &c., Journ. p. 233. 

 pi. 17. f. 10. 



13. SoLECURTUs suBTERES, Coiir. Joum. p. 233. pi. 17. f. 10. 

 Hab. Sta. Barbara. Mus. Niitt., Brit., Jay. 



14. SoLECURTUS Californianus, Conr. Journ. p. 233. pi. 18. 

 f. 3. 



Hab. Sta. Barbara, inter paludes limosas ; frequens. Mus. Nut- 

 tall, Brit., Jay. 



15. Sanguinolaria pacifica, Conr. 



Psammobia pacijica, Conr. Journ. p. 241. pi. 18. f. 13. 

 Hab. San Diego, inter arenani, mari subprofundo. Mus. Brit. 

 The figure displays no radiating lines, a thin cardinal margin, and 

 a solitary tooth. It appears to be a tbin Tellinoid shell. 



16. Sanguinolaria Nuttallii, Conr. Journ. p. 230. pi. 17. 

 f. 6. 



Hab. Sta. Diego, in paludibus. Mus. Nutt., Cum., &c. 

 = Psammobia decora, Hinds, Voy. Sulph. MoU. in loco. 

 This very well-niarked species, approaching Solecurtus, was over- 

 looked by Mr. Hinds, notwithstanding bis usual care. 



17. Sanguinolaria Californiana, Conr. Journ. p. 231. pi. 17. 

 f. 7. 



Hab. In sestuario fluminis Columbiae, paludibus limosis. Mus. ? 



S. Californiana, var. A, Conr. 



Testą alba, ceąuilaterali. 



1 An eadem species. Mus. Nuttall. 



18. Sanguinolaria rubro-radiata, Conr. [?ubi.] 

 Appears allied to Psammobia. 



Hab. California. Mus. Nuttall. 



19. Semele rubrolineata, Conr. 



Amphidesma rubrolineata, Conr. Journ. p. 239. pi. 18. f. U. 



=: Semele simplex, A. Ad. 



This species, of which Mr. Nuttall had not retained a specimen, 

 fortunately reappears in Dr. Gould's collection, and is pronounced 

 by Mr. Cuming identical with Mr. Adams's shell. 

 ' Hab. San Diego, mari profundo. Mus. Cuming, Gould. 



