O CATALOGUE OF PTEROPODA. 



* Shell globular, hinder central process short. 



1. Cavolina teidentata. 



Shell yellowish, pellucid, thin, very finely striated transversely ; 

 terminal tooth longer than the lateral ones. 



Anomia tridentata, Gmelin, S. N. 3348, No. 42 ; Forsk. Arab. 124, 



t. 40, f. 6; Chem. Conch, viii. 65, vignette 13,/. g.; Chiage Mem. 



iii. t. 44, f. 1,2. 

 Cavolina natans, Abildgaard, Soc. Hist. Nat. Copenh. i. Part 2, t. 



10 ; Cuvier, Ann. du Mus. iv. 224, t. 59. 

 Caulina natans, Poli, Test. Sicil. iii. 39, t. 44, f. 1,2. 

 Hyalaea papilionacea, Bory de St. Vincent, Voy. i. 137, t. 5, .f. 1 ; 



Blainville, Diet, des Sc. Nat. xxii. 86, f. 2. 

 Hyalaea cornea, Roissi, Buff, de Sonnini, v. 73; LamJc. Syst. 1801. 

 HyalaEa tridentata, Bosc. Coq. ii. 241, t. 9, f . 4 ; Lamk. vi. 286 ; 



nOrb. 1839; Hist. Nat. Isles Canar. Moll. 27; Ram. de'Sagra, 



Hist. Isle Cuba, Moll. 72 ; Philippi, Sicil. 101, ii. 70. 

 Hyalcea Chemnitziana, Peron et Lesueur, Ann. du Mus. xv. 

 Hyalaea Forskalii, Lesueur, D'Orb. Voy. Amer. Merid. Moll. 89, t. 5, 



f. 1 — 5. 

 Hyale tridentee, Voy. Bonite Moll. t. 4, f. 1, 7, t. 9, anal. 

 Hyalaea truncata, Krauss, Sudafr. Moll. 34, t. 2, f. 12. 



a — e. Shell. Gulf of Guinea. Presented by J. Crouch, Esq. 



/ — i. Shell. Borneo. Presented by the Admiralty. 



j. Shell. 



k — m. Shell. India. 



n. Shell. Naples. 



— q. Animal and shell, in spirits. Borneo. Presented by 



Capt. Sir Edward Belcher, E.N., C.B. 

 r, s. Animal and shell, in spirits. Tropical Seas. Presented 

 by Lieut. A. Smith, E.N. 



2. Cavolina teniobeanchia. 



Hyalaea teniobranchia, Peron, Ann. Mus. Hist. Nat. xv. t. 3, f. 13. 

 Hyalea Peronii, Rang. 



Hab. 



3. Cavolina aquensis. 



Hyalaea aquensis, Gratel. Bull. Bord. ii, 4, 1827 ; Conch. Pterop. 21, 



t. l,f. 1, 2; Atlas, t. 1, f. 1,2. 

 Hyalea Orbignii, Rang, Mem. Paris, ii. 387, 1827 ; Ann. S. Nat. 



xvi. 496, t. 19, f. 3, 1829. 



Fossil. 



