•CUBAN ANNULlARiroAE — TORRE AND BART&CH 187 



This species centers about Remedios, Santa Clara Province. 

 Four subspecies may be differentiated by the following key: 



KEY TO THE SUBSPECIES OF OPISTHOSIPHON (BERMUDEZSIPHONA) SUBOBTECTUM 



Axial ribs moderately strongly developed. 

 Shell short and pupoid. 



Reflected portion of the inner lip of the outer peristome 



broad subobtectum 



Reflected portion of the inner lip of the outer peristome 



not broad ptintillense 



Shell not short and pupoid, but elongate guajabanense 



Axial ribs feeble quintanense 



OPISTHOSIPHON (BERMUDEZSIPHONA) SUBOBTECTUM SUBOBTECTUM, 



new subspecies 



Plate 14, Figure 2 



This subspecies comes from Rojas, near Remedios, Santa Clara 

 Province. It has the suture strongly constricted, which gives it a 

 pupoid aspect. The axial ribs are fairly strongly developed and the 

 outer peristome is very broadl}^ expanded on the inner lip, where it is 

 bent in rather than out. This alone will differentiate it from the other 

 pupiform member, 0. (B.) subobtectum puntiUense. In the type 

 there are 22 axial ribs on the first of the remaining turns and 67 on 

 the last whorl. 



The type, U.S.N.M. No. 535458, has 3.5 whorls remaining and 

 measures: Length, 9.5 mm.; greater diameter, 6.2 mm.; lesser diam- 

 eter, 5.3. 



OPISTHOSIPHON (BERMUDEZSIPHONA) SUBOBTECTUM PUNTILLENSE. new 



subspecies 



Plate 14, Figure 3 



In this race also the shape is pupiform, in which respect it resembles 

 typical 0. (B.) subobtectum subobtectum, from which it is easily dis- 

 tinguished by the much less expanded outer peristome of the iimer 

 lip. Like typical subobtectum, the spiral threads in the umbilicus are 

 feebly expressed. 0. (B.) subobtectum puntiUense comes from La 

 Puntilla, a block of limestone 2 miles southwest of Remedios, Santa 

 Clara Province. In the type 30 axial ribs are present on the first of 

 the remaining turns and 62 are on the last. 



The type, U.S.N.M. No. 535457, has 3.2 whorls remaining and 

 measures: Length, 8.2 mm. ; greater diameter, 5.7 mm. ; lesser diameter, 

 4.7 mm. 



Animals of this subspecies collected by Bartsch at La Puntilla 

 August 7, 1928, were described by liim as being of smoke gray ground 

 color, with a pinkish area about the base of the tentacles; sides with 

 an olivaceous tinge with numerous small, low papillae having many 



