324 ; MOLLUSCA. 
1. Tornatellina cumingiana. | 
Tornatellina cumingiana, Pfr. P. Z. S. 1849, p. 184°; in Martini & Chemnitz, Syst. Conch.-Cab. 
ed. 2, Pupa, p. 148, t. 18. figg. 6, 7°; Monogr. Helic. Vivent. ii. p. 525°; v. Mart. in 
Albers’s Die Helic. ed. 2, p. 260°. 
Ovate-oblong, with feeble vertical striz. 
Long. 8 millim., diam. 33; apert. long. 3, lat. 13. 
Hab. S.W. Nicaragua: Realejo (Real Llejos) (Cuming 1~*). 
So far as 1 know, this species has not been again found by any later traveller, and 
the indication of locality rests on Cuming’s authority alone. | 
MELANIELLA. 
Melaniella, Pfeiffer, Monogr. Helic. Vivent. iv. p. 465 (1859) ; v. Mart. in Albers’s Die Helic. ed. 2, 
p- 267. 
Turrite, imperforate, vertically ribbed and (mostly) spirally striated, rather solid, 
dark-coloured, not shining, of about 8-9 whorls; aperture oval, expanded and produced 
beneath, as in the genus Melania, with simple columellar margin and simple thin 
outer margin. 
Characteristic of the West-Indian Islands. 
1. Melaniella fimbriata. 
Bulimus fimbriatus, Forbes, P. Z. 8S. 1850, p. 36, t. 9. fig. 7*; Pfr. Monogr. Helic. Vivent. i. 
p- 394°. 
Whorls convex, 7—8, columellar margin arcuated. Reddish-brown. 9 millim. long, 2 in diameter; aperture 
2 long, 1 broad. 
Hab. Panama (Kellett & Wood? *). 
This species also seems not to have been found again by later collectors. 
CASCILIANELLA. 
Cecilianella (Férussac), Bourguignat, Aménités Malac. i. p. 218 (1856) ; Fischer & Crosse, Miss. 
Scient. Mex., Mollusca, i. p. 584. 
Shell small, oblong or subturrite, smooth, shining, white ; aperture oblong, columellar 
margin notched beneath. 
Animal subterranean, whitish, without eyes. For its anatomy, see P. Fischer 
and Crosse. 
1. Cexcilianella veracruzensis. 
Achatina iota (C. B. Adams), Strebel, Beitr. Mex. Land- und Siissw.-Conch. ii. p. 53, t. 13. fig. 507. 
Cacilianella veracruzensis, Crosse & Fisch. Journ. de Conch. xxv. p. 278 (1877)?; Fisch. & Crosse, 
Miss. Scient. Mex., Mollusca, i. p. 591, t. 26. figg. 4, 4.a, 6°; Strebel, loc. cit. v. p. 96%. 
Long. 2 millim., diam. 4; apert. long. 2, lat. 3. Whorls 5. Shell, when viewed under the microscope, 
with very fine undulated spiral lines. . 
Hab. %.. Mexico: Vera Cruz, in the alluvial deposits of the Rio Antigua (Strebel }~4), 
