NON-MARINE MOLLUSCS OF SURINAM. t 
Conulus, created by Klein, dating from 1734, twenty-four 
years before the 10th edition of Linné’s Systema Naturae 
was published. 
* 8. SOLAROPSIS PELLISSERPENTIS Chemn. 
Helix pellisserpentis, Chemnitz, Syst. Conch. Cab., Band XI, 
1795, p. 268, T. 208, f. 2046, 2047. 
Pilsbry, Man. of Conch., 2. ser., Vol. V, 1889, p. 178, 
Pl. 50, f. 74—76, 82, 83. 
Solaropsis pellisserpentis Chemn., Pilsbry, Man. of Conch., 
2. ser., Vol. IX, 1894, p. 166. 
Surinam, 
Upper Saramacca. 
Drouet, 1859, p. 42. 
Martens, 1873, p. 218. Surinam. 
Kappler, 1887, p. 204. (Helix pillis! Helix serpentis! 
probably this and the next species.) 
Voltz. 
Saramacca-Expeditie. 
Surinam. 
Surinam, 
The specimen, collected by Mr. Voltz, is a little smaller 
than the Saramacca one, and has the peculiar pits on the 
left side but faintly indicated. 
* 9, SOLAROPSIS SERPENS Martyn. 
Limar serpens, Martyn, Univ. Conchol. III, 1784, T. 120. 
Helix serpens Martyn, Pilsbry, Man. of Conch., 2. ser., Vol. V, 
1889, p. 179, Pl. 58, f. 388—41, Pl. 59, f. 50—52. 
Solaropsis serpens Martyn, Pilsbry, Man. of Conch., 2. ser., 
Vol. IX, 1894, p. 166. 
Coast-region of Surinam. 
Environs of Paramaribo. 
Pfeiffer, 1872, p. 76. 
ten Kate. 
van Heurn, 1911. 
Missionary-station Beekhuizen 
(South of Paramaribo). 
Surinam. 
Mr. van Heurn’s specimens apparently have been collected 
as dead ones. They are bleached and some of them much 
damaged. 
Martens, 1873, p. 218. 
pes 
10. SOLAROPSIS MONOLACCA Pfr. 
Helix monolacca, Pfeiffer, Malakozool. Bl. IV, 1857, p. 155; 
Novit. Conchol. I, 1857, T. 38, f. 1, 2. 
Pilsbry, Man. of Conch., 2. ser., Vol. V, 1889, p. 182, 
PL 5As 90-91. 
Notes from the Leyden Museum, Vol. XXXVI. 
