i 0) 
NON-MARINE MOLLUSCS OF SURINAM. 
Soluropsis monolacca Pfr., Pilsbry, Mah. of Conch., 2. ser. 
Vol. IX, 1894, p. 166. 
Pfeiffer, 1859, p. 155. Surinam. 
Drouet, 1859, p. 42. Surinam. 
Martens, 1873, p.. 218. Surinam. 
* 11. SoLAROPsIS KUHNI Pfr. 
Helix kithni, Pfeiffer, Malakozool. Bl. XIX, 1872, p. 74, T. 2, 
f. 8—10. 
Pilsbry, Man. of Conch., 2. ser., Vol. V, 1889, p. 189, 
Pl. 59, f. 55—57. 
Solaropsis kühni Pfr., Pilsbry, Man. of Conch., 2. ser., Vol. IX, 
1894, p. 166. 
Environs of Paramaribo. van Heurn, 1911. 
Pfeiffer, 1872, p. 74. Environs of Paramaribo. 
Martens, 1873, p. 218. Surinam. 
This species and the next one, that I know only by 
the figures, seem to have much resemblance. Our specimens, 
being very distinctly granulate at the base, according to 
Pilsbry’s definition of both species, must belong to S. kithni. 
12. SOLAROPSIS ROSARIUM Pfr. 
Helix. rosarium, Pfeiffer, Proc. Zool. Soc., 1849, p. 131. 
Pilsbry, Man. of Conch., 2. ser., Vol. V, 1889, p. 188, 
Pl. 60, f. 13—15, Pl. 61, f. 6—10. 
Solaropsis rosarium Pfr., Pilsbry, Man. of Conch., 2. ser., 
Vol. IX, 1894, p. 166. 
Pilsbry, 1889, p. 188. Surinam. 
?*13, PLEURODONTE ACUTA Lam., var. 
Helix acuta, Lamarck, Encycl. Méth., T. 462, f. 1. 
Pilsbry, Man. of Conch., 2. ser., Vol. V, 1889, p. 101, 
BIS 26, 658, "OL x bo: 
Pleurodonte acuta Lam., Pilsbry, Man. of Conch., 2. ser., 
Vol. IX, 1894, p. 89. 
Surinam. Cab. Raye. 
?* 14. PLEURODONTE LUCERNA Miill. 
Helix lucerna, Müller, Hist. Verm. Il, 1774, p. 13. 
Pilsbry, Man. of Conch, 2. ser., Vol. V, 1889, p. 105. 
Pl. 30, f. 46—49. 
Notes from the Leyden Museum, Vol. XXXVI. 
