226 SIMPULOPSIS. 



whitish within ; peristome simple, unexpanded, the margins joined 

 by a very thin whitish callus ; columellar margin thread-like, basal 

 and outer margins acute. Alt. 5^, diam. maj. 9, min. 8 mill. (F. 

 }C.). 



Parada, State of Oaxaca, Mexico (Salle). 



Simpulopsis cenea PFR., P. Z. S., 1861, p. 27; Malak. Bl., viii, 



1861, p. 84; Monogr. Hel. Viv. v, p. 22 ; vii, p. 29, 516 REEVE, 



Conch. Icon, xiii, pi. 1, f. 7 (1862) FISCHER & CROSSE, Miss. 



Scient. Mex., Moll., p. 580, pi. 24, f. 12. MARTENS, Biol. Centr. 

 Amer., Moll., p. 253 Succinea cenea MARTENS, Malak. Bl., xii, 

 1865, p. 70. 



The sculpture is of very fine, crowded striae, hardly visible with 

 the naked eye. Only the original specimens collected by Salle are 

 known. 



Doubtful and spurious species, referred to Simpulopsis. 

 S. SALOMONIA (Pfeiffer). PI. 63, figs. 76, 77, 78. 



Shell globose-conic, very thin, closely obliquely plicate, pellucid 

 shining, brownish-olivaceous. Spire conic, a little obtuse ; suture 

 impressed. Whorls 4, a little convex, the last about three-fifths the 

 total length of the shell. Aperture oblique, oval ? peristome simple, 

 unexpanded, the margins regularly arcuate. Alt. 11, diam. 9 mill.; 

 aperture 8^ mill, long, 6 wide (P/V. ). 



u Salomon's Islands " (Cuming coll.). 



Vitrina salomonia PFR., Zeitschr. f. Malak. 1853, p. 51 ; Monogr. 

 Hel. Viv:, iii, p. 623. Simpulopsis salomonia PFR., Conchyl Cab., 

 p. 29, pi. 6, f. 17-19. S. salomonis Pfr., ALBERS, Die Hel. edit. v. 

 Martens, p. 309. 



Has the appearance of a Brazilian shell, and possibly the locality 

 is erroneous. If really irom the Solomon Islands it will probably 

 prove to belong to the Zonitida. Gray referred the species to Hel- 

 i car ion. 



S. ANGULARIS (Ferussac). PI. 63, figs. 71, 72. 



Ferussac's figure represents a globose-conic shell somewhat like 

 S. dominicensis in form, but with the last whorl angulated around 

 the periphery (as in S. bo'ssieri, but more stiongly). It is thin, 

 striate, olivaceous, with about 4 whorls. Alt. 10, diam. 12 mill. 



Isle of France (?). 



