17 



Helix jayana. H. epistylium^ Mull., affinis ; 



H. jayana ; H. epistylium ; 



dente una lamelliformi longis- dentibus tribus, obliquis, tortis, 



sima ; brevibus ; 



t. laiiore, subtus latissime et t. angustiore, subtus percon- 



profunde indentata ; vexa, anguste indentata ; 



anf. 94. anf. 9. 



Alt. .9 poll.; lat. max. 1.18 Alt. .1 poll. ; lat. max. .1 poll. ; 



poll. ; lat. min. 1.1 poll. lat. min. .9 poll. 



PARS III. 



Species fluviatiles. 



PALUDiNA RivuLARis. P. t. minima, Isevi, cornea, elongata ; 

 spira conica, acuta ; anf. 6 ; apertura ovata. Div. 30° ; spirae 

 long. .07 poll. ; long. tot. .11 poll. ; lat. .05 poll. 



Melania spinifera. M. t. minima, cornea ; anf. 6, angulatis, 

 angulo spinifero ; ultimo subtus striis exilissimis revolventibus 

 insculpto ; apertura supra et infra angulata. Div. 45° ; spirse 

 long. .09 poll. ; long. tot. .17 poll. ; lat. .1 poll. 



Planorbis dentiferus. p. dentato, Gould, affinis ; t. anf. 4, 

 ultimo quam penultimo, baud multo latiore ; sed P. dentatus ulti- 

 mum maximum habet, (v. fig. Gouldianam) ; dentium labialium 

 dextra bifida, magna ; dentibus sicut in specie Gouldiana dis- 

 positis. 



Mr. Phineas W. Blunt was elected a member of the So- 

 ciety. 



Donations to the Cabinet. 



Phials containing specimens of sugar, and molasses or syrup 

 made from the cornstalk, from Dr. C. T. Jackson, received by 

 him from Mr. Ellsworth, Commissioner of Patents, Washington. 



A collection of marine and terrestrial shells, from Jamaica. 

 From Prof. C. B. Adams. 



A large slab, containing beautiful specimens of Fucoides. From 

 Prof. Henry D. Rogers. 



proceedings B. S. N. H. 3 JAN. 1845. 



