EXPLANATION OF PLATES. 129 
443 Ovulum gibbosum. Ultimus, Montf. 
444 Cypreovulum capensis. 
445 Cyprea Arabica, back. 
446 The same, front. 
447 Cyprea algoensis, front. Luponia, Gray. 
449 Cyprea Pediculus, back. Trivia, Gray. 
450 The same, front. 
451 ‘Terebellum convolutum. Seraphs, Montf. 
452 ———_—_——-. subulatum, front. 
454 Erato Maugerie. 
455 Ancillaria glabrata. 
456 —————._ cinnamomea. 
457 Oliva Maura. 
subulata. Hiatula, Sw. 
459 Conus nocturnus. Rhombus, Montf. 
460 Nussatella. Hermes, Montf. 
461 —— Textile. Cylinder, Montf. 
462 —— geographus. Rollus, Montf. 
Order. CEPHALOPODA. 
First Dwision. Polythalamia. 
Fam. Orthocerata. 
463 Amplexus coralloides (from Sow. Min. Con.) 
464 Orthoceratites annulatus. 
465 Nodosaria equalis. 
466 Belemnites, with the outer-coat broken, to show the 
alveole. 
467 -———— portion of the alveole separated. 
468 —_—— hastatus. Hibolithes, Montf. (from Blainv.) 
469 Conularia quadrisulcata. 
470 Conilites pyramidatus (from Blainv.) 
Fam. Uituacea. 
471 Spirula Peronii. 
Fam. Nautilacea. 
472 Nummulites lenticularis, outside. 
473 The same, inside, to show the chambers. 
474 Nautilus pompilius, young. See frontispiece. 
475 Simplegas sulcata. 
476 Endosiphonites, (from Camb. Philos. Trans.) 
