92 BULLETIN OF THE 



Illustrations of the Range of individual species in Depth. 



(x, boreal forms ; o, tropical forms ; n, unciiaracteristic forms.) 



Area, 100, 220, 310, 450, 480 fms. 



" (another sp.) 310, 1568 fms. 



n Bulla, 100, 450, 533, 568, 640, 805, 1568 fms. 



71 Cadulus, 100, 31, 805, 1002 fms. 



n Cerithiopsis, 100, 640, 805, 1002 fms. 



n " (another sp.) 50, 85, 94, 100, 450, 805 fms. 



n Cistella, 30, 43, 80, 100, 101, 200, 220, 250, 450, 640, 805 fms. 



n Corbula, 100, 640 fms. 



n " (another sp.) 48, 72, 100; 127, 450, 805 fms. 



n Dentalium, 50, 80, 84, 100, 101, 119, 175, 200, 539, 640, 888, 1002 fms. 



n " (another sp.) 339, 539, 640, 805, 860, 1568 fms. 



n Eudesia, 110, 119, 125, 175, 200, 229, 310 fms. 



Fissurellidoi. 



X Puncturella, 100, 220, 640 fms. 



n Glyphis, 100, 287, 805 fms. 



n Fissurella, 13, 50, 80, 72, 127, 640, 805 fms. 



n Emarginula, 100, 287, 292, 310, 640 fms. 

 n Fusus, 15, 54, 125, 128, 152, 229, 1002 fms. 

 n Gouldia, 13, 84, 310, 1568 fms. 



n Leda, 54, 75, 80, 100, 190, 220, 287, 310, 640, 1002 fms. 

 X Limopsis, 30, 84, 100, 119, 220, 292, 310, 447, 450, 480, 539, 640, 805, 



1568 fms. 

 n Lucina, 19, 84, 640 fms. 



X Margarita, 100, 177, 220, 287, 331, 450, 539, 640, 805, 860, 888 fms. 

 X " (another sp.) 80, 119, 310, 1568 fms. 



Marginalia, 54, 70, 72, 80, 100, HI, 125, 152, 229, 640, 805, 1002 fms. 

 Murex, 54, 640 fms. 

 n Nassa, 13, 72, 80, 100, 177, 640 fms. 

 n Nesera, 84, 152, 229 fms. 



n Nucula, 30, 84, 100, 158, 182, 220, 310, 539, 640 fms. 

 Olivella, 127, 177, 805 fms. 

 n Pecten, 13, 30, 100, 119, 127, 229, 243, 287, 292, 310, 331, 424, 450, 480, 



539, 640, 804, 805 fms. 

 n Pectunculus, 54, 68, 80, 84, 95, 119, 888 fms. 

 n Pedicularia, 100, 450, 640 fms., on Gorgonise and corals. 

 Pleurotomidce. 



X Bela, 413, 447, 640, 805 fms. 



Candelabrum, 100, 640, 805 fms. 

 Ringicula, 339, 447, 640 fms. 



