HOLOSPIRA. 279 
6. Holospira cretacea. 
Cylindrella cretacea, Pfr. P. Z. S. 1860, p- 140°; Monogr. Helic. Vivent. vi. p. 389’. 
Holospira cretacea, Fisch. & Crosse, Miss. Scient. Mex., Mollusca, i. p. 335, t. 17. figg. 8, 8a’, 
Hab. Mexico, without nearer indication of locality (Cuming 1-8), 
Very near the following. 
7. Holospira coahuilensis. 
Cylindrella coahuilensis, Binney, Am. Journ. of Conch. i. p. 50, t. 7. figg. 4, 5 (1865)*; Pfr. 
Monogr. Helic. Vivent. viii. p. 445 ?. 
Gongylostoma coahuilensis, Tryon, Am. Journ. of Conch. iii. p. 312, t. 15. fig. 29°. 
Holospira coahuilensis, Fisch. & Crosse, Miss. Scient. Mex., Mollusca, i. p. 334‘. 
Whorls 12, the last two strongly costate: length 29, diameter 7 millim. 
Hab. N.E. Mexico: Cienega grande, in the State of Coahuila1~4. 
Var. semisculpta. 
Holospira semisculpta, Stearns, Proc. U. S. Nat. Mus. xiii. p. 208, t. 15. figg. 1 & 4 (1890) °. 
Whorls 14-15, the last three or three and a half strongly ribbed: length 22-234, diameter 54-6 millim. 
Hab. N.E. Mexico: in a cafion above San Carlos, in the State of Chihuahua (Z. W. 
Stanton ®). 
8. Holospira remondi. 
Cylindrella remondi, Gabb, Am. Journ. of Conch. i. p. 208, t. 19. figg. 10-13 (1865) *; Pfr. Monogr. 
Helic. Vivent. vi. p. 389°. 
Holospira remondi, Tryon, Am. Journ. of Conch. iii. p. 313, t. 15. fig. 32°; Fisch. & Crosse, Miss. 
Scient. Mex., Mollusca, i. p. 325, t. 17. figg. 2, 2a-c"*. 
Hab. N.W. Mexico: Arivechi, valley of Sahuaripa, in the State of Sonora (Rémond *~“*). 
Also somewhat variable in form, according to the two published figures. 
9. Holospira teres. - 
Cylindreila teres, Menke, Zeitschr. fiir Malak. iv. p. 1 (1847) 1; Philippi, Abbild. neuer Conch. ill. 
p. 5, t. 8. figg. 5, 6°; Pfr. Monogr. Helic. Vivent. ii. p. 381°; Martini & Chemnitz, Syst. 
Conch.-Cab. ed. 2, Cylindrella, p. 59, t. 6. figg. 28, 29%. 
Holospira teres, Fisch. & Crosse, Miss. Scient. Mex., Mollusca, i. p. 827°. 
Hab. Centra, Mexico: State of Puebla (Liebmann*~*). 
Var. minor. 
Holospira teres, var. B, Fisch. & Crosse, loc. cit. p. 327, t. 17. figg. 3, 3.4, 5°. 
Hab. CENTRAL Muxico: State of Puebla (Liebmann °). 
