94 BULLETIN 192, UNITED STATES NATIONAL MUSEUM 



U.S.N.M. No. 401606 co7itains 33 specimens collected by Orcutt west 

 of Abricots on the east bank of the first river east of Petite Riviere. 



U.S.N.M. No. 504008 contains 51 specimens collected by Henderson 

 and Bartsch at Debarras. 



U.S.N.M. No. 401587 contains 185 specimens collected by Orcutt on 

 the east side of the Riviere Trou Sardines near its mouth. 



U.S.N.M. No. 401625 contains 4 specimens collected by Orcutt on 

 a limestone hill between Dalmarie and Abricots. 



U.S.N.M. No. 401689 contains 22 specimens collected by Orcutt on 

 the east bank of the Riviere Trou Sardines. 



U.S.N.M. No. 404078 contains 13 specimens collected by Orcutt on 

 a limestone cliff along the shore west of Trou Rousselin. 



U.S.N.M. No. 504009 contains 28 specimens collected by Henderson 

 and Bartsch at y\bricots. 



U.S.N.M. No. 162987 contains 20 specimens collected by Henderson 

 and Simpson at Jeremie. 



U.S.N.M. No. 355936 contains i specimen collected by Henderson at 

 Jeremie. 



U.S.N.M. No. 504010 contains 3 specimens collected by Henderson 

 and Bartsch on the top of the range at Roseau. 



U.S.N.M. No. 50401 1 contains 38 specimens collected by Henderson 

 and Bartsch on the second river south of Jeremie. 



U.S.N.M. No. 504012 contains 5 specimens collected by Henderson 

 and Bartsch 5 miles west of Jeremie. 



U.S.N.M. No. 403064 contains 10 specimens collected by Orcutt west 

 of Jeremie. 



U.S.N.M. No. 401718 contains ^2 specimens collected by Orcutt on 

 a limestone hill near the mouth of Trou Sardines east of Riviere Abricots. 



U.S.N.M. No. 401658 contains 35 specimens collected by Orcutt north 

 of Abricots on the west bank of the Petite Riviere. 



U.S.N.M. No. 514013 contains i specimen collected by Henderson 

 and Bartsch at Anse a Cochon. 



U.S.N.M. No. 404073 contains 25 specimens collected by Orcutt north 

 of Tiburon south of the first village on the road to Carcasse. 



U.S.N.M. No. 401638 contains 97 specimens collected liy Orcutt at 

 Faux Cap. 



ORCUTTIPOMA ROLLEI CAYEMITENSE, new subspecies 



Plate 14, Figure 9 



This subspecies comes from Grande Cayemite Island. It resembles 

 typical rollei in stoutness but differs from it in having the axial ribs much 

 less strongly developed. 



The type (U.S.N.M. No. 504014) has 4 whorls remaining, the last 

 one of which bears 55 riblets but has the scallops obsolete. There are 



