CUBAN SUBFAMILY CHONDROPOMINAE — TORRE AND BARTSCH 305 



The type, U.S.N.M, no. 468953, has 6.0 whorls and measures: 

 Length, 25.8 mm; greater diameter, 16,2 mm; lesser diameter, 13.0 

 mm. 



CHONDROTHYRETES PARILIS PARILIS, new subspecies 



Plate 23, FiGtmE 3 



In this race, which comes from Hoyo San Antonio, Mogote de la 

 Jagua, the shell also has conspicuous spiral bands, but the ground 

 color is horn-color, and the outer peristome is conspicuously rayed. 

 There are also inconspicuous interrupted spiral bands of brown. 



The type, U.S.N.M. no. 492961, has 5.2 whorls remaining and 

 measures : Length, 24.7 mm ; greater diameter, 16.3 mm ; lesser diam- 

 eter, 11.1 mm. 



CHONDROTHYRETES PARILIS SIMONIS, new subspecies 

 Plate 23, Figuee 6 



This race comes from the Mogote Palmero, which is also called 

 Mogote Simon. Here we have the last whorl also bearing light 

 spiral threads, but the ground color is orange or orange-brown, the 

 nuclear whorls are white, and the outer peristome is without rays 

 or almost so. 



The type, U.S.N.M. no. 468951, a complete specimen, has 7.2 whorls 

 and measures: Length, 24.5 mm; greater diameter, 15.6 mm; lesser 

 diameter, 10.4 mm. 



Of this species we have two albinos, both alabaster white. 



CHONDROTHYRETES PARIUS FOSSULARIS, new subspecies 



Plate 23, Figure 4 



This race comes from Hoyo Corto de San Antonio, Asiento de la 

 Jagua. It is a very dark colored race, in which the spiral threads 

 are not light. It varies in coloration from orange to dark brown 

 and has the expanded peristome, which is orange, very conspicuously 

 rayed. The shell may be unicolor, barring the banding at and behind 

 the peristome, or it may be variously banded with interrupted spiral 

 zones of brown. 



The type, U.S.N.M. no. 468820, has 4.4 whorls remaining and 

 measures : Length, 22.0 mm ; greater diameter, 14.1 mm ; lesser diam- 

 eter, 10.4 mm. 



CHONDROTHYRETES PARILIS AMOENA, new subspecies 



Plate 23, Figube 7 



This race was collected by Arango at Mogote de la Jagua de Azua. 

 It is pale, with a horn-colored ground color and with or without 



66879—38 8 



