PLATE VII. 



Page. 



l-"igs. 1, III, 2, 2a, 2b. Cijnthoceras diomedeiv, new species. Figs. 1, la, two views of the same 

 specimen. Fig. 1, side view, nat. size; fig. la, calice, X about 2. Figs. 2, 2a, 2h, 

 three views of tlie .«aiiie specimen. Fig. 2, side view, nat. size; fig. 2(1, calice, X about 

 2^; fig. 2/), portion of calicular margin, X about h 77 



3, 3a, 3'). Dexmiinhylliim cristMjaUi Milne Edwards and Hainie. Three views of the same 



specimen. Fig. 1, side view, nat. size; fig. \ii, calice, X about 2; fig. Ih, portion of 

 calicular margin, X 2 67 



4, 4a, 4/>. Cemlolriichm laxux, new species. Three views of the same specimen. Fig. 2, 



side view, X 2; fig. 2o, calice, X 4; fig. 26, portion of calicular margin, X 4 78 



5, 5a. Andiemiplnjllia pacifica, new species. Two views of the same si^ecimen. Fig. 3, 



calice; fig. .'Ja, base; each X 2 79 



236 



