310 LEUCONIA. COILOSTELE. 
5. occidentalis Pfr. (Coll. 3.) I. 157. II. 119. — Cuba. 
6. ? Sayi (Auricula) Küst. f I. 157. II. 120. — Jn. Terr. Moll. 
Un. St. IV. p. 77. t. 75. f. 34 (ex Küst); Land- and freshw. sh. 
North-Am. II. p. 19. f. 20. — 7rtyon in Amer. journ. conch. IV. 
p. 10. t. 18. f. 12. — Status Uniti. 
7. succinea Pfr. (Coll. 4.) I. 157. II. 120. — Cuba. 
Species fossiles. 
8. Dujardini Tournouer. t Journ. Conch. XX. 1872. p. 83. t. 3. f. 
3a. b. — Auricula acuta. Dujard. Mém. soc. géol. Fr. 1837. 
9. subbiplicata Tournouer. t Journ. Conch. XX. 1872. p. 85. t. 3. 
f. 4. — Auricula biplicata Grat. 1838. Plic. t. 6. f. 4 (non 5). — 
Auricula subbiplicata Orb. 1827. Etage 26. B. 323. 
XIII.  Coilostele Benson. 
»lesta imperforata, elongato-cylindrica; axis columellaris 
interna spirae obsoleta. Apertura semiovata; margine colu- 
mellari superne subspiralter uniphicato.* (B.) 
Coilostele (novum genus Auriculaceorum) PBens. in Aun. and Mag. n. h. 
3d. ser. XIII. Febr.: 1864. p. 136. 
Species unica: 
1. C. scalaris Benson. 1 
»C. testa imperforata, elongato-cylindrica, laevi, hyalina, 
nitida; spira elongata, gradatim scalariter attenuata, apice 
obtuso, sutura profunda; anfractibus 6, convexiusculis, superne 
obtuse angulatis, penultimo cylindraceo; apertura subobliqua, 
semiovata, subpyriformi; peristomate tenul, recto, marginibus 
remotis, margine columellari crassiusculo, plica spirali obliqua 
elongata superne intrante munito. — Long. 2, diam. vix 1 
mill. Apert. ?/;, lata !/; mill.* (B.) 
Coilostele scolaris .Bens. l. c. p. 136. 
Habitat ad Humeerpore, Bundelkhund, prope ripas fluvio- 
rum Yumna et DBetwa. 
