8 catalogue of pteropoda. 



7. Cavolina flava. 



Shell ovate, gibbous, glassy, posteriorly three-spined ; middle spine 

 the longest, slightly curved ; aperture narrow ; inferior lip in 

 form of a hood, somewhat beaked, arched. 



Hyalaea flava, D'Orb. Voy. Am. Mer. Moll. 97, t. 5, f. 21— 25 ; 

 Desh. in Lamk. Hist. ed. 2, 418. 



Hab. 



8. Cavolina globulosa. 



Hyale globuleuse, Rang. Voy. Bonite Moll. t. 4, f. 20, 24, not 



described. 

 Hah. 



9. Cavolina angulosa. 



Hyale angulee, Eydoux ^ Souleyety Voy. Bonite Moll. t. 4, f. 1, 6, 

 not described. 



Hah. 



10. Cavolina quadridentata. 



Shell somewhat globular, inflated, posteriorly obtuse, with four 

 teeth on the margin ; marked on the back with five grooves, 

 gibbous on upper part, smooth ; aperture narrow, very finely cleft 

 laterally ; apex sometimes truncated. 



Hyalaea quadridentata, Lesueur, UOrh. Voy. Amer. Merid. Moll. 

 98, t. 6, f. 1—5; Blainv. Diet, des Sc. Nat. xxii. 81 (1822); 

 Rang. Monogr. ined. ; UOrh. Moll, des Canar. 25 ; Ram. Sagra 

 Hist. Cuba Moll. 75 ; Desh, in Lamk. Hist. ed. 2, vii. 419. 



Hyale a quatre dents, Voy. Bonite Moll. t. 4, f. 25, 32. 



H. quadrispinosa, D'Orb. Amer. Merid. Moll. 85. 



Hah. 



11. Cavolina longieostra. 



Shell ovate, globular, terminated anteriorly with a rather long, 

 arched, channelled beak, posteriorly shortly truncate, laterally 

 provided with short hooked wings, inferiorly three-ribbed ; aper- 

 ture transverse, narrow. 



Hyalaea longirostra, Lesueur, D'Orb. Voy. Am. Met: Moll. 100, t. 6, 

 f. 6 — 10; Blainv. Diet. Sc. Nat. xxii. 81; D'Orb. Moll, des 

 Canar. 29; Ram. Sagra Hist. Cuba Moll. 76; Desh. in Lamk. 

 Hist. ed. 2, vil 419, n. 11. 



Hyale longirostre, Voy. Bonite Moll. t. 5, f. 7, 13. 



Hab. Atlantic Ocean, Lesueur. Amboina and Teneriffe, Quoy. 

 a — z. Shells. St. Vincent's, W. I. From the Rev. L. Guilding's 

 collection. 



