90 BULLETIN 192, UNITED STATES NATIONAL MUSEUM 



U.S.N.M. No. 402154 contains 19 specimens collected by Orcutt on 

 the hill south of the Riviere de L'Acul at "Acuzoo Village." 



U.S.N.M. No. 402758 contains 12 specimens collected by Orcutt on a 

 steep wooded slope in a dry ravine near Les Cayes. 



U.S.N.M. No. 401773 contains 38 specimens collected by Orcutt in 

 the vicinity of Les Cayes. 



U.S.N.M. No. 403551 contains 349 specimens collected by Orcutt at 

 Les Cayes. 



U.S.N.M. No. 402778 contains 7 specimens collected by Orcutt in a 

 ditch at Les Cayes. 



U.S.N.M. No. 401753 contains 22 specimens collected by Orcutt on 

 the road from Les Cayes to Laborde. 



U.S.N.M. No. 404980 contains 7 specimens collected by Orcutt near 

 the top of the hill Corbenia near Les Cayes. 



U.S.N.M. No. 404052 contains 41 specimens collected by Orcutt south 

 of Corbenia near Les Cayes. 



U.S.N.M. No. 403441 contains 4 specimens collected by Orcutt on 

 the road between Vieux Bourg at Baie des Flamands. 



U.S.N.M. No. 403258 contains 20 specimens collected by Orcutt in 

 drift at Aquin. 



U.S.N.M. No. 403633 contains 8 specimens collected by Orcutt at 

 Aquin. 



U.S.N.M. No. 401846 contains 2 specimens collected by Orcutt at 

 Tarco, lie a Vache. 



U.S.N.M. No. 401802 contains 14 specimens collected by Orcutt at 

 Landefue Baie, lie a Vache. 



OBCUTTIPOMA BOLLEI (Welnland) 



Shell small, truncated specimens varying from elongate-ovate to cylin- 

 droconic ; the color may vary from flesh-color to pale horn-color to bright 

 brown; it may be unicolor or variously banded with interrupted spiral 

 lines of brown. Peristome pale, always showing the brown spiral mark- 

 ings. Nuclear whorls almost 2, well rounded, inflated, microscopically 

 granulose. Postnuclear whorls inflated, strongly rounded, marked by 

 strong, sublamellose, retractively slanting axial ribs, which become ex- 

 panded at the summit into broad denticles. They also become slightly 

 expanded at the periphery. The spaces between the axial riblets are 

 marked by closely crowded, slender spiral lines, which are apparent under 

 moderate magnification. In addition to this, there are present faint indi- 

 cations of broader spiral threads, which render the axial riblets somewhat 

 wavy at their outer extremity. Suture very strongly constricted. Periph- 

 ery of the last whorl well rounded. Base openly umbilicated, marked by 

 the continuation of the axial riblets and spiral cords, which here become 

 more pronounced than on the spire; the fine spiral lirations referred to 

 on the spire are also present. Last whorl solute for about one-tenth of 



