378 PROCEEDINGS OF THE NATIONAL MUSEUM Vol.89 



rounded, smooth, except for the last portion of the last turn, which 

 shows the begiiuiing of the postnuclear sculpture. Postnuclear whorls 

 inflated, strongly rounded, marked by strong, sublamellar axial ribs 

 which are expanded into slight auricles at the summit. The spaces 

 between these sublamellar ribs are marked by additional axial riblets, 

 which are almost as strong as the stronger elements. Of these 1 to 3 

 may occur between the stronger. Suture deeply channeled. Pe- 

 riphery inflated, strongly rounded. Base short, strongly rounded, 

 marked by the continuation of the axial sculpture. There is a strong 

 spiral cord at the junction of the base and the umbilicus. Here the 

 axial riblets crossing it form feeble elongated nodules. On the 

 umbilical wall the axial sculpture becomes slightly enfeebled. Last 

 whorl solute for a tenth of a turn. Aperture broadly oval; peristome 

 double, the inner a little heavier, slightly exserted and slightly re- 

 flected; the outer thin, transparent, slightly expanded. Operculum 

 typically annularid. 



The specimen described and figured, U.S.N. M. No. 356277, is one 

 of 3 received from Gundlach. It has 4.9 whorls and measures: 

 Length, 9.8 mm.; greater diameter, 10.7 mm.; lesser diameter, 8.4 mm. 



This species was collected by Gundlach at Cafetales de Yateras, 

 Oriente Province. He says of the animal (Malakozool. Blatter, vol. 6, 

 p. 74, 1859) : "It is whitish with whitish dots upon the head and at 

 the base of the feelers. The head is somewhat reddish within. The 

 feelers have a dark tip. The body is marked by various blackish 

 spots which are visible through the shell." 



ANNULARIA (ANNULARELLA) TOROENSIS. new species 



Plate 54, Figures 1-3 



Shell turbinate, straw colored, a little more deeply yellow within 

 the aperture. Nuclear whorls 2, well rounded, smooth, except for the 

 last portion of the last turn, which shows the beginning of the post- 

 nuclear sculpture. Postnuclear whorls inflated, strongly rounded, 

 the first marked by 48, rather distantly spaced, axial riblets, while on 

 the next two whorls intercalated slender threads make their appear- 

 ance, which raise the number of riblets on the second whorl to 104, 

 and on the last to 156. Suture strongly channeled. Periphery well 

 rounded. Base short, very broadly, openly umbilicated, marked by 

 the continuation of the axial riblets, and by a strong spiral cord at its 

 anterior margin. The umbilical wall is marked by the continuation 

 of the axial ribs, which here become much enfeebled, and by 8 spiral 

 threads. Last whorl solute for about one-eighth of a turn. Aperture 

 broadly oval; peristome double, the outer narrowly expanded and 

 reflected; the inner moderately, strongly exserted, and but slightly 

 reflected. Operculum typically annularid. 



