498 



BIBLIOGRAPHY OF 



[part I. 



[Contributions to Concliology.] 

 Page. 



72 Chemnitzia obeliscus Ad. 



73 subulata Ad. 

 73 levis Ad. 



73 substriata Ad. 



74 exilis Ad. 



Note on — 



75 Fholas corticaria Sowh. 



76 Descriptions of supposed new 



Shells which inhabit Jamaica 



76 Helix ingens Ad. 



77 valida Ad. 

 77 fortis Ad. 



79 invalida Ad. 



79 propenuda Ad. 



80 candescens Ad. 

 80 Foremaniana Ad. 

 80 alveus Ad. 



80 columellata Ad. 



81 Proserpina dlscoidea Ad. 

 81 pulchra Ad. 



74 Chemnitzia pusilla J^of. 



74 flavocincta Ad. 



74 multicostata Ad. 



75 reticulata ^o?. 



species and varieties of Terrestrial 

 : by Prof. C. B. Adams. 



81 Proserpina bidentata Ad. 



82 Cylindrella Greyana Ad. 

 82 lata Ad. 



82 Hollandi Ad. 



83 augustce Ad. 



83 Achatina Blandiana Ad. 



83 puelia Ad. 



84 perplexa Ad. 

 84 Geomelania ^c?. 



84 Cyclostoma aculeosum Ad. = 

 C. Hillianum Ad. 



No. 6. 

 March, 1S50. 



85 Remarks on the origin of the Terrestrial Molluscs of .Jamaica: 

 Prof. C. B. Adams. 



by 



87 Description of a new genus of Helicidae from Jamaica: by Prof. C. 



B. Adams. 



87 Spiralis Ad. (n. g.) I 88 Spirals costulosus Ad. 



88 aberrans Ad. | 



88 Description of Jamaicia, anew sub-genus of Cyclostoma: by Prof. 



C. B. Adams. 



88 Notes on certain species of the 

 C. B. Adams. 



88 Helicina Hollandi Ad. 



89 Jiucidella aureola Ad. 

 89 granulosa Ad. 

 89 Cyclostoma Jayanum Ad. 

 89 nigrilabre Ad. 

 89 Chittyi Ad. 

 89 fimbriatulum Sowb. 

 89 Geomelania elegans Ad. 



Land Shells of .Jamaica : by Prof. 



89 Geomelania Beardsleana 

 89 pygmaea Ad. [Ad. 



89 striosa Ad. 



89 Helicina heemastoma Moric. 



89 aurantia Gray. 



90 Cylindrella brevis Ad. 

 90 Achatina pellucens Ad. 



