308 



EXPLANATION OF PLATES- 



FIG. 



439. Volvaria concinna. 



Fam, Convolutae. 



440. Ovulum Ovum. 



441. verrucosura. Calpurnus, Montf* 



442. Volva. Radius, Montf. 



443. gibbosum. Ultimus, Montf, 



444. Cypraeovulum capense. 



445. Cyprsea arabica, back. 



446. The same, front. 



447. Cyprsea Algoensis. Luponia, Gray, front. 



449. Pediculus. Trivia, Gray, back. 



450. The same, front. 



451. Terebellum convolutum. Seraphs, Montf. 



452. — subulatum, front. 



454. Erato Mangerise. 



455. Ancillaria glabrata. Anolax, Brongn, 



456. » cinnamonea. 



457. Oliva Maura. 



458. subulata. Hiatula, Sw. 



459. Conus nocturnus. Rhombus, Montf, 



460. Nussatella. Hermes, Montf. 



461. Textile. Cylinder, Montf. 



462. — — geographus. Rollus, Montf. 



Order. Cephalopoda. 

 First Division. Polythalamous Cephalopoda. 



Fam. Orthocerata. 



463. Amplexus coralloides. (from Sow. Min. Con.) 



464. Orthoceratites annulatus. 



465. Nodosaria sequalis. 



466. Belemnites, with the outer coat broken to shew the alveole. 

 467. portion of the alveole separated. 



468. — hastatus. Hibolithes, Montf. (from Blainville.) 



469, Conularia quadrisulcata. 



