200 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 85 



Peristome yellow or flesii-color. 

 Shell with spiral band?. 



Spiral bands conspicuous. 



Dark axial zone behind peristome very decided. 



Peristome orange , cingulatum 



Peristome flesh-color affine 



Dark axial zone behind peristome not decided. 



Peristome yellow flavidum 



Peristome flesh-color pallidulum 



Spiral bands not conspicuous. 



Greater diameter more than 20 mm. 

 General color clouded, pale. 



Spiral banding confined to periphery alveare 



Spiral banding not confined to periphery . luteilabre 



General color not clouded, dark. 



Greater diameter more than 23 mm. 



Penultimate whorl dark brown iosaturatum 



Penultimate whorl pale brown jagruaense 



Greater diameter less than 22 mm. 



Spiral markings on early postnuclear 



whorls conspicuous minaense 



Spiral markings on early postnuclear 



whorls inconspicuous collumelare 



Greater diameter less than 16 mm gratiosum 



Shell without spiral bands. 



Diameter more than 24 mm antoniense 



Diameter less than 22 mm . rinconadense 



CHONDROPOMETES (CHONDROPOMETES) TORREI TORREI Bartsch 



Plate 9, Figuke 8 



1937. Chondropoinctcs (Chondropoinctcs) torrcl Babtsch, Journ. Washington 

 Acad. Sci., vol. 27, pp. 130-131, fig. 2. 



This is the most brilliantly colored of the subspecies. It is char- 

 acterized by its orange-buff color, with darker orangef varicial streaks 

 and flame-colored peristome. It comes from Abra cle Bejarano, 

 Mogote Canalete, south of the Sierra San Andres. 



The type, U.S.N.M. no. 428794, is a complete specimen having 6 

 whorls, and measures: Length, 23.0 mm; greater diameter, 22.3 mm; 

 lesser diameter, 15.9 mm. 



CHONDROPOMETES (CHONDROPOMETES) TORREI ANTONITENSE. new subspecies 



Plate 8, FiGLTtE 9 



Shell small, pale iodine brown, with flame-colored peristome, con- 

 spicuously banded with continuous brown bands of deeper shade 

 than the general tone of the shell. This small race comes from Hoyo 

 Corto de San Antonio. 



The type, U.S.N.M. no. 428798, has 4.9 whorls remaining and meas- 

 ures: Length, 19.7 mm; greater diameter, 18.4 mm; lesser diameter, 

 13.8 mm. 



