1910.] NATURAL SCIENCES OF PHILADELPHIA. 523 



Lives in rather open places, as in the crevices of stone walls, and in 

 the edges of woods. 



The foot is bluish-gray, tentacles, rostrum and eyes black. 



Colobostylus banksianus (Sowb.). 



Somerset road, 2 miles west of Mandeville; Somerset. 



Annularia fimbriatula (Sowb.). 



Bloomfield and Benmore, Mandeville; King Edward's woods, 

 woods opposite Cedar Hill and Garrett's woods near Mandeville; 

 Santa Cruz road, 2-4 miles from Mandeville. 



The living snail is very handsome. The foot is flesh-pink, paler in 

 front, shading to bright red behind in the region of the oper- 

 culum; the whole necked with opaque white; dorsal surface (neck) 

 and front edge almost white. The tentacles are deep carmine, 

 the rostrum grayish-fleshy with black spots and flecks, closer on the 

 sides. 



Adamsiella variabilis (C. B. Ad.). 



Somerset. 

 Adamsiella ignilabris (C. B. Ad). 



Near Mandeville; Somerset; ridge near Lincoln. 

 Tudora fecunda (C. B. Ad.). 



Somerset. 

 Chondropoma mordax (C. B. Ad.). 



Roadsides near Mandeville. 



Lives in the woods. It is very common near Mandeville but was 

 not 'seen around Somerset. 



A. 



Rhytidopoma fraterminor n. sp. 



Wesley Mount Church, 1 mile south of Williamsfield. 



HELICINID^]. 

 Helicina neritella Lara. 



Roadsides about 3 miles northeast of Mandeville; woods opposite 

 Cedar Hill and Santa Cruz road near Mandeville; Somerset. Abun- 

 dant, living in the open. 



Helicina jamaicensis Sowb. 



Bloomfield, Santa Cruz road, and Somerset road, near Mandeville; 

 Somerset. Abundant. 



