﻿DALL] SHELLS COLLECTED IN THE BAHAMAS 449 



callus inside the outer lip has not yel formed, were named Widens 

 by Pfeiffer, and when the callus appears are quadridens C. B. Adams. 

 The very young are ovalis C. J'.. Adams, and the old coarsely sculp- 

 tured and strongly dentate specimens are typical mirabilis. The 

 form varies from ovate-elevated to naticoid. I think this is the first 

 time this species has been definitely reported from the Bahamas. 



Blauneria pellucida Pfeiffer. 



A single specimen was obtained at Mangrove Cay. 



This minute shell has been reported from Florida, the West [ndies 

 and Bermuda, but not previously from the Bahamas. It is either 

 generally rare or from its small size and subterranean habits has 

 been overlooked by collectors. 



Siphonaria alternata Say. 



A 1 angrove Cay, Andros ; Little Abaco. 



This had previously been obtained at Gun Cay. by the U. S. Fish 

 Commission. 



Chondropoma revinctum Poey. 



On the Grantstown road, Nassau, N. P., U. S. Fish Commission 

 and Owen Bryant. 



This species, which has been kindly identified for me by Dr. 

 Pilsbry from specimens in the Academy of Natural Sciences, was 

 originally described from the south side of Cuba near Manzanillo. 

 There are several nearly allied species in Haiti. Having been found 

 at a wide interval by two expeditions it seems that it must have 

 become well established, though recently introduced, since it is so 

 handsome and conspicuous a species that, existing now in the best 

 explored region of the group, it could hardly, if present, have been 

 overlooked by all previous collectors. 



It is now first recorded from the Bahamas. 



Rhytidopoma euploca new species. PI. lix, fig. 6. 



Inagua, Bland. Three specimens. 



I describe this species here, because it is an addition to the Ba- 

 haman fauna discovered under a wrong name in the Museum col- 

 lection while endeavoring to identify Mr. Owen Bryant's material. 

 It was received by Stearns from Bland and subsequently was ac- 

 quired by the National Museum. 



Shell small, with four moderately convex whorls after decollation ; 

 somewhat irregularly but strongly crenulate at the suture ; color 

 honey yellow, more or less faintly articulated, striped, dotted or 

 clouded with pale reddish brown ; sculpture of fine low spiral threads 

 (about 10 on the penultimate whorl) with narrower and more 



