Matica. 



133 



Cepatia Grray 



2454 1 cepacea Lam. 

 Cernia Glray. 



2455 t* fluctuata Sow. 



N. imperforata Jay. 



2456 1 — 

 £iunatia Grray. 



2457 l monilifera Lam. 



2458 2* triserialis Say. c. op. 



2459 1* borealis Gray. c. op. 



N. gronlandica Bk. 



2460 2 nana Moll. (1. c. op.) 



2461 2* canaliculata Gould. 



N. suturalis Gray. 

 N. cornea Moll. 

 ylmaura ]?I51I. 



2462 1* candida MoU. 



Grignon f. 

 Ind. or. 



M. germ. 

 Am. bor. 

 Gronland. 



Trlb. 2. JVaticidee. 



Hatlea liam. 



(Stigmaulax n.) 

 2463 2 sulcata Born. 



N. rugosa Gm. 

 N. costata Mke. 



2464 2 



2465 



2466 

 2467 



rugosa Ch. 



N. cancellata Gm. 

 (Cochlis Bolt.) 

 6* vittata Gm. 



N. parva Ch. 1917, 18. 



N. Valenciennesii Payr. 

 2 (major.) 

 1 epiglottina Lam. 



Antill. 



M. med. 



Grignon t« 



