308 PROCEEDINGS OF THE NATIONAL. MUSEUM Vol.89 



ANNULARIA (EUTUDORA) TRANSITORIA DISTINCTA, new subspecies 



Plate 33, FiGtrRE 2 



This subspecies was collected by Dr. de la Torre at El Volcan on 

 the road between Habana and Managua. It is readily distinguished 

 from A. (E.) transitoria transitoria by its much more broadly trochid 

 outline. It also has the inner lip of the outer peristome not so 

 broadly expanded. 



The type, U. S. N. M. No. 493469, has 5.3 whorls and measures: 

 Length, 12.0 mm.; greater diameter, 10.4 mm.; lesser diameter, 7.3 

 mm. 



ANNULARIA (EUTUDORA) LATISTOMA, new species 



Plate 33, Figure 3 



Shell of turbinate outline, orange in ground color, marked by 

 interrupted spiral bands of brown. Nuclear whorls 2, well rounded, 

 microscopically granulose. Postnuclear whorls inflated, strongly 

 rounded, marked by slender, lamellar spiral threads, of which the 

 two near the summit are minutely denticulated. The spaces sepa- 

 rating the spiral threads are wider than the threads. The axial 

 sculpture consists of scarcely perceptible lines of growth and occa- 

 sional resting stages, which appear as retractively slanting pale 

 lines. Suture channeled. Periphery inflated, well rounded. Base 

 short, inflated, strongly rounded, broadly, openly umbilicated, marked 

 by the same sculpture as that characterizing the spire, except that 

 the axial sculpture here becomes intensified and assumes the nature 

 of fine, closely spaced threads, which are particularly conspicuous 

 in the spaces between the spiral threads. The umbilical waU is 

 likewise marked by spiral threads and by the continuation of the 

 axial sculpture, which here renders the spiral sculpture minutely den- 

 ticulated. Aperture broadly ovate; peristome double, the inner 

 slightly exserted, reflected over and appressed to the outer; the outer 

 expanded and slightly reflected. Breathing pore on the parietal wall 

 a little anterior to the posterior angle of the aperture, and a little 

 within the edge of the peristome. Operculum typically tudorid. 



This species occupies the southern part of the island, on both sides 

 of the boundary between Pinar del Rio and Habana Provinces. 

 While it resembles A. (E.) limbifera in general shape, it can at once 

 be distinguished from that by lacking the dull wax coloration and by 

 having stronger spiral sculpture. 



FossuLARiA, new subgenus 



Shell elongate-ovate, marked by axial ribs, which are slightly, 

 regularly wavy, suggesting spiral sculpture; base and umbilical wall 



