CYLINDRELLA §. 14 — 16. — MEGASPIRA. 713 



albo-callosum , interruptum , breviter reUexum , margiuc colu- 

 mellari subverticali, intus superne leviter plicato. — Long. (spec. 

 unici trunc.) 221 V.^, diam. 8Y2 mill. Ap. obliqua 5 mill. longa, 

 4 lata. (CoII. Luders.) 



Cylindrella Ludersi Pfr. mss. 

 Habitare dicitur in insula St. Domingo. 



§. 15. 



141. Cumingiana Pfr. (Coll. 94. — Diaphera Pfr. Vers. 



p. 179. — Ch. n. 96. t. 6. f. 16—20. — Ur. Cu- 



ming. [Diaphera] Ad. Gen. p. 178.) Mon.IlI. p. 582. 



§. 16. 



142. Petiveriana Fer. •{■ - II. - 386, 



143. campanulata Binn. •{* (Terr. Moll. I. p. 109 



absque dcscriptione.) 



XXV. Megaspira Lea. 



Typis pluribus aberrantibus e genere Balea emissis Mega- 

 spiram etiam generice separandam esse censeo, characterem 

 praecipuum diagnosticum a columella transverse pluriplicala 

 desumens. Sequentes auctores genus adoptaverunt : 

 Megaspira Lea Obs. II. p. 21. 



— Jay Catal. 1836. 



— Grat. Act. Bord. XI. p. 427. 



— Sow. Conch. Man. ed. II. p. 187. 



— Pfr. Symb. L p. 6. IL p. 130. 



— Gould Exped. Shells. Ed. 1851. p. 91. 



— Kiist. Mon. Pup. p. 139. 



— H. et A. Adams Gen. rec. Moll. II. p. 174. 



Ipse in Mon. II. p. 387; IIL p. 585 et Vers. p. 179 tanquam 

 sectionem Baleae enumeravi species duas huc pertinentes. Satis 

 inter se differre videntur: 



1. clatior Spix. (Coll. I. — Pupa elatior Spix. — 



Megaspira Buschenbergiana Lea. — Megaspira 

 elatior Pfr. Symb. — Kust. Pupa p. 139. t. 17. 

 f. 5. 7. — Ad. Gen. p. 174. t. 76. f. 5. — Balea 

 elatior [Megaspira] Pfr. Mon. III. n. 13. — Pfr. 

 Vers. p. 179.) Mon.III, p. 583, 



2. elata Gould. (Coll. 2. — Gould Exp. Sh. t. 7. 



f. 101. — Ad. Gen. p. 174. — Pupa elata Gould. 

 — Balea clata [Megaspira] Pfr. Mon. III. n. 14. 



Pfr. Vers. p. 179.) - - - 385. 



