SECTION B.] NORTH AMERICAN CONCHOLOGY. 



497. 



[Contributions to Conchology.] 

 Page. 

 55 Mangelia dubia (Pleuro- 



toma) Ad. 

 55 multilineata (Pleuroto- 



ma) Ad. [Ad. 

 55 trilineata (Pleurotoma) 

 55 candidissima (Pleuro- 

 toma) Ad. 



Page. 

 55 



55 



55 



Buccinum concinnum Ad. = 



Columbella. 

 Columbella purpurascens Ad. = 

 C. dormitor Sowb. 

 Buccinum obesum Ad. = Co- 

 lumbella. 



Note on — 



55 Geomelania Jamaicensis Pfr. 



56 Descriptions of supposed new species 



Jamaica : by Prof. C. B. Adams. 



56 Marginella nivea Ad. 



56 alba Ad. 



56 abbreviata Ad. 



56 fluctuata Ad. 



57 Mitra monilifera Ad. 

 57 albicostata Ad. 



57 Columbella fenestrata Ad. 



58 costulata Ad. 



58 Terebra Jamaicensis Ad. 



58 Purpura aberrans Ad. 



59 Conus armillatus Ad. 



59 Triton parvus Ad. 



60 pulchellus Ad. 



60 Murex intermedius Ad. 

 60 pauperculus Ad. 



60 Fusus nitens Ad. 



61 Pleurotoma augustee Ad. 

 61 Jay ana Ad. 



61 solida Ad. 



62 fuscocincta Ad. 

 62 maculata Ad. 



No. 5. 

 Feb. 1S.30. 



62 



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of Marine Shells wbicb inhabit 



Pleurotoma diminuta Ad. 

 P. quadruta Rve ? 



decorata Ad. 



albella Ad. 



pygmasa Ad. 



flavocincta Ad. 



no data Ad. 



quadrilineata Ad. 



fusiformis Ad. 

 Mangelia densestriata Ad. 



muricoides Ad. 



biconica Ad. 



lanceolata Ad. 



crassicostata Ad. 



brevis Ad. 



vicina Ad. 

 Scalaria ligata Ad. 

 Phasianella affinis Ad. 



brevis Ad. 



tesselata Ad. 



concolor Ad. 



69 Descriptions of supposed new species of Marine Shells which inhabit 

 Jamaica: by Prof. C. B. Adams. 



69 Phasianella concinna Ad. 



69 Trochus pulcher Ad. 



70 Cingula (?) concinna Ad. 

 70 (?) solida Ad. 



70 (?) conica Ad. 

 32 



71 Litiopa effusa Ad. 

 71 obesa Ad. 



71 Littorina Jamaicensis Ad. 



72 Chemnitzia latior Ad. 

 72 puncta Ad. 



