1911.] NATURAL SCIENCES OF PHILADELPHIA. 575 



Brachypodella alba striata Pi's- 



Orange Hill. Very plentiful after rains, crawling on the moist 

 rocks in the gully. 

 Spirostemma tenella (C. B. Ad.i. 



Orange Hill and Rose Mount. Very common in the dry logwood 

 plantations at Orange Hill. 



OLEACINID^E. 

 Varicella blandiana (C. B. Ad.). 

 Orange Hill. 



Varicella propinqua (C. B. Ad. i. 



Orange Hill and Rose Mount. 



Sigmataxis lasviusculus (C. B. Ad.). 



Orange Hill. 



FERTJSSACIDiE. 



Cecilioides (Caecilianopsis) iota (C. B.Ad.). 



Orange Hill. 



SUCCINEIDJE. 



Succinea latior C. B. Ad. 



Orange Hill. Found rather sparingly along the roadsides and in 

 the logwood plantations. 



TRUNCATELLIDiE. 

 Geomelania vicina C. 15. Ad. 



Orange Hill, in the dry logwood plantations. 

 Geomelania pygmaea C. I?. Ad. 



Orange Hill. 

 Geomelania (Chittyat sinuosa Chitty. 



Orange Hill. A small species of Geomelania, about half the size of 

 G. pygmcea, was collected at Orange Hill, but while about ten speci- 

 mens were taken, none are sufficiently well developed for a satisfac- 

 tory description. 



The species Listed as "Geomelana gracilis (C. B. Ad.) " from Bloom- 

 field and Benmore, Mandeville, in our former paper on the Mollusca 

 of Mandeville 2 is Geomelania vicina C. B. Ad. 



CYCLOPHORIDiE. 

 Aperoatoma (Ptychococlilis) corrugatum iCliitty i. 



Orange Hill and Hose Mount. Semi-fossil shells were very plenti- 

 ful in the clay-filled rifts in the limestone at Orange Hill gully; fresh 



2 The Mollusca of Mandeville, Jamaica, ami its Environs. Proc. Acad. Nat 

 Sci. Phila., 1910, p. 521. 



