CUBAN ANNULAEiroAE — TORRE AND BARTSCH 289 



ANNULARIA (ANNULARODES) PEREZI PEREZI, new subspecies 



Plate 29, Figure 7 



Bartsch collected this subspecies on the north slope of the Sierra de 

 Jatibonico. 



It is distinguished from A. (A.) perezi guitarti in being larger and 

 more elongate, with the whorls less roimded, and with the inter- 

 rupted spiral bands well marked. 



The type, U.S.N.M. No. 535C12, comes from near Vereda de los 

 Broqueles, Mayajigua. It has 4.0 whorls remaining and measures: 

 Length, 16.4 mm. ; greater diameter, 9.5 mm. ; lesser diameter, 8.2 nrni. 



The animals of this species, collected by Bartsch August 9, 1928, 

 are described by him as being pale yellow with a pinkish area about 

 the tentacles. The tentacles are of the same color as the body, but 

 they are tipped with gray at the expanded end. The animal when 

 at rest suspends itself by a mucous thread. 



ANNULARIA (ANNULARODES) PEREZI GUITARTI, new subspecies 



Plate 29, Figure 8 



This race comes from Finca San Vicente, on the boundary of Santa 

 Clara and Camagiiey Provinces. It differs from the typical race in 

 being smaller and in having the interrupted spiral bands scarcely 

 indicated. The axial ribs are also much more elevated. 



The type, U.S.N.M. No. 535614, has 4.0 whorls remaining and 



measures: Length, 14.7 mm.; greater diameter, 8.3 mm.; lesser 



diameter, 7.2 mm. 



Annularodisca, new subgenus 



Shell elongate-ovate, with the umbilicus closed by the reflected 

 posterior half of the outer peristome of the inner lip. The sculpture 

 consists of nonarticulate axial ribs on the spne, to which are added 

 spiral threads on the umbilical wall. Siphon connecting with the 

 hollow axis by a slender channel behind the parietal outer lip, and 

 through the axis with the exterior at the decollated apex. 



This subgenus resembles Annularodes, but it differs materially from 

 that subgenus in the arrangement of the siphon, which is like that of 

 Opisthocoelicum. 



Type: Annularia (Annularodisca) pilsbryi (Welch). 



ANNULARIA (ANNULARODISCA) PILSBRYI (Welch) 



Plate 29, Figure 1 



1929. Cfioanopoma pilsbryi Welch, Nautilus, vol. 42, p. 98, pi. 5, fig. 1. 

 1934. Choanopoma (Annularodes) pilsbryi Welch, Nautilus, vol. 47, p. 135, pi. 11, 

 fig. 9. 



Shell elongate-ovate, ranging from straw color to pale chestnut- 

 brown, unicolor or interruptedly spirally banded. Nuclear whorls 



