CUBAN SUBFAMILY CHONDROPOMINAE — TORRE AND BARTSCH 403 

 CHONDROTHYKIUM VIOLACEUM TENUE, new subspecies 



Plate 28, Figube 9 



This small race comes from Loma de Banao. Its shell is elongate- 

 ovate, the early whorls being a little darker than the rest. Inter- 

 rupted spiral bands only moderately strong. The sculpture of the 

 penultimate whorl is no stronger than that of the preceding turn. 

 The outer lip is also only moderately expanded. It differs from 

 C. violaceum violaceum in being much smaller. 



The type, U.S.N.M. no. 355050, has 4 whorls remaining and meas- 

 ures: Length, 14.7 mm; greater diameter, 9.0 mm; lesser diameter, 

 C.8 mm. 



CHONDROTHYRIUM VIOLACEUM IGNOTUM, new subspecies 



Plate 28, Figltbe 10 



With this race we have no definite locality. The shell is pale yel- 

 lowish white, elongate-ovate, and the interrupted spiral bands are 

 absent. It suggests C. violaceum hanaoense but is very small in 

 comparison. 



The type, U.S.N.M. no. 315184, has 3.3 whorls remaining and meas- 

 ures : Length, 13.7 mm ; greater diameter, 9.2 ; lesser diameter, 7.0 mm. 



CHONDROTHYRIUM VIOLACEUM SAUGETI, new subspecies 



Plate 28, Figltee 6 



This race comes from San Jose northeast of Sancte Spiritus. It 

 is a thin-shelled, broadly ovate race, with very fine sculpture and 

 with the outer lip poorly developed. It resembles most closely 

 C. molaceum doloresi, from which its more ovate shell and finer 

 sculpture will readily distinguish it. 



The type, U.S.N.M. no. 367834, has 3.8 whorls remaining and meas- 

 ures: Length, 12.2 mm; greater diameter, 9.8 mm; lesser diameter, 

 7.0 mm. 



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