CAVOLINIDiE. 9 



12. Cavolina limbatj. 



Shell rounded, globular, flat beneath, truncated posteriorly, laterally 

 provided with triangular wing-shaped appendages ; aperture 

 transverse, narrow ; labrum terminated by a rather long chan- 

 nelled beak. 



Hyalaea limbata, UOrh. Voy. Am. Mer. Moll. 101, t. 6, f. 11—16 ; 



Ram. Sagra Hist. Cuba Moll. 77, t. 2, f. 5 — 8 ; Desk, in Lamk. 

 Hist. ed. 2, vii. 417. 

 Hyalaea longirostris, Quoy et Gaim. Voy. Ast. ii. 380, t. 26, f. 20 — 



24 ; Desk, in Lamk. Hist. ed. 2, vii. 416. 



Hah. 



** Shell oblouffj elongated ; central process elongate^ conical. 



13. Cavolina labiata. 



Shell elongated, of a somewhat trapezoidal form, inflated, termi- 

 nated posteriorly by a very long point ; aperture transverse, with 

 very long lip-shaped margins. 



Hyalffia labiata, Horb. Voy. Am. Mer. Moll. 104, t. 6, f. 21—25; 



Moll, des Canar. 29 ; Ram. Sagra Hist. Cuba Moll. 78, t. 9, f. 



12 ; Desk, in Lamk. ed. 2, vii. 421 . 

 Hyale labiee, Voy. Bonite Moll. t. 5, f. 27, 32. 



Hah. 



14. Cavolina inflexa. 



Shell elongated, conical, compressed on each side, elongated poste- 

 riorly, terminated by a recurved point, laterally armed with a 

 short point ; aperture ovately transverse, laterally deeply cleft. 



Hyalaea inflexa, Lesiieur, Bull. Soc. Philom. xiii. No. 69, t. 5, f. 4, 



a, 6, c, d; Blainv. Diet. Sc. Nat. xxii. 80; UOrh. Voy. Am. 



Mer. Moll. 103, t. 6, f. 16—20 ; Rayn. Sagra Hist. Cuba Moll. 



79 ; Desk, in Lamk. Hist. ed. 2, vii. 422. 

 Hyale inflechie, Voy. Bonite Moll. t. 5, f. 21, 26. 

 Hyalaea vaginella, Cantraine^ Bull. Brux. ii. 380 ; Philippic Sicil. 



ii. 71. 

 Hyalaea uncinata, Hceninghaus. MSS.; Philippic Sicil. i. 101, t. 



6, f. 18, not Rang. P 



Hah. 



