CUBAN SUBFAMILY CHONDROPOMINAE — TORRE AND BARTSCH 297 



the tip of the snout. The tentacles are coral-red, tipped with brown. 

 The sole of foot is a little paler than the sides of the body, deeply 

 medially cleft; the motion of the two sides is alternate. 



Distribution of the subspecies of C. cerina is shown in figure 96. 



QruamA \^ / 



mi /cs 



Figure 96. — Distribution of the subspecies of Chondrothyretes cerina: (1) roseoapicata ; 

 (2) cerina; (3) polita; (4) suhcerina; (5) puella. 



KEY TO THE SUBSPECIES OF CHONDROTHYRETES CERINA 



Axial and spiral sculpture obsolete on last turn polita 



Axial and spiral sculpture not obsolete on last turn. 



Apex rose-color roseoapicata 



Apex not rose-color. 



Shell less than 22 mm long puella 



Shell more than 25 mm long. 



Sculpture of last whorl feeble cerina 



Sculpture of last whorl not feeble subcerina 



