308 EXPLANATION OF PLATES. 



FIG. 



439. Volvaria concinna. 



Fam, Convolute. 



440. Ovulum Ovum. 



44 1 . verrucosum. Calpuraus, Montf. 



442. Volva. Radius, Montf. 



443. gibbosum. Uitimus, Montf> 



444. Cyprseovulum 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 Mangeriae. 



455. Ancillaria glabrata. AnoJax, Brongn, 



456. |r* 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 aequalis. 



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. 



