CUBAN SUBFAMILY CHONDROPOIMINAE — TORKE AND BARTSCH 215 

 CHONDROPOMETES (CHONDROTHYROMA) EXIMIUM MALLEATUM, new subspecies 



Plate 10, Figxjre 3 



Shell large, thin, feebly distantly ribbed, pale yellow, the last whorl 

 nialleated, and marked by very conspicuous strong interrupted brown 

 spiral bands. Peristome pale yellow ; operculum brilliant red. 



The type, U.S.N.M. no. 428802, was collected by Dominguez in the 

 height on the west side of La Estrechura, which is the eastern wall of 

 the southern end of Sierra de los Acostas. It has 4.1 whorls remaining 

 and measures: Length, 24.5 mm; greater diameter, 21.9 mm; lesser 

 diameter, 15.3 mm. 



FiGDEE 74. — Distribution of the subspecies of Chondropometes (Chondrothyroma) exquisi- 

 ttini: (1) punctolitieatum ; (2) cereum; (3) notatum ; <4) exquisitum. 



CHONDROPOMETES (CHONDROTHYROMA) EXQUISITUM, new species 



Shell turbinate, of medium size with red operculum, and a darker 

 axial zone immediately behind the peristome. Peristome white or 

 pale yellow. The shell may be white, faintly yellow, wax colored, or 

 dark orange-red ; it may be unicolor or spirally banded. 



The animal of C. {C.) exquisitum punctolineafum has the upper 

 part of the body smoky gray; sides, sole of foot, and snout flesh-color 

 with smoky suffusion. Tentacles sooty black. Sole medially cleft ; 

 motion of the two sides alternate. Suspends itself by mucous thread. 



This species ranges from the eastern end of the Sierra San Andres 

 through the Sierra Pico Chico to the Sierra la Guira, and some of the 

 mogotes south of these limestone blocks. 



Distribution of the subspecies of C. {C.) exquisitum is shown in 

 figure 74. 



