636 SUPPLEMENT. 
Holospira remondi (p. 279). 
Holospira remondi, Crosse & Fischer, Journ. de Conch. xl. p. 262, t. 5. figg. 8, 8a’. 
Holospira teres (p. 279). 
Holospira teres, Crosse & Fischer, loc. cit. p. 264, t. 5. figg. 9, 9a (var. 8)’. 
Holospira pfeifferi (p. 280). 
Holospira pfeifferi, Crosse & Fischer, loc. cit. pp. 260, 261, t. 5. figg. 7, 7a (var. minor) "°. 
Holospira goniostoma, (p. 280). 
This species also belongs to Holospira, s. str., in Dall’s arrangement. 
11 (a). Holospira pilsbryi. 
Holospira (Metasioma) pilsbryi, Dall, Proc. U.S: Nat. Mus. xviii. p. 4 (1895) '. 
Shell externally almost exactly like that of A. tryoni, Pfr., as figured by Crosse and Fischer, but with the 
axis smooth, without plait or sinuosity. 
Long. 13, diam. 4 millim. Whorls 14, among which two are nuclear and the six following increase in 
diameter. 
Hab, Centrat Mexico: Puebla (Mearns 1). 
Also stated to occur in Arizona (Dr. Palmer 1). 
Holospira apiostoma (p. 283). (Tab. XVII. fig. 4.) 
The reference to our figure was accidentally omitted on p. 283. 
Holospira spelunce (p. 284). 
Cylindrella spelunce, Pilsbry, Proc. Acad. Phil. 1891, p. 315, t. 15. figg. 15, 15a’. 
To the locality given, add :— 
Hab. Yucatan: cave at Tabi, Ticul and between Sitilpech and Tunkas (Heilprin 5). 
Pilsbry * states that the specimens collected at these localities seem to connect this 
species with H. (Cylindrella) morini. 
Var. dubia, 
Cylindrella spelunce, var. dubia, Pilsbry, loc. cit. p. 316, t. 15. figg. 14, 14a’, 
A more slender form, always truncated and decidedly smaller. 
Long. 10, diam. 13-2 millim. Remaining whorls 12-13. 
Hab. Yucatan: Labna (Heilprin ®). 
_ Holospira morini (p. 285). 
The reterences to our figures of two of the varieties of this species were accidentally 
omitted on p. 285: var. pulchella (Tab. XVIL. figg. 3, 3 a); var. salping (Tab. XVII. 
fig. 5). 
