CHAP, 111. ] THE CRUISES OF THE ‘ PORCUPINE, on 
of Amphihelia ramea, and everywhere the several 
varieties of Caryophyllia borealis. 
The foraminifera, as before, were remarkable for 
their size, and the same types were predominant ; 
but species were here obtained for the first time of a 
Fic. 10,—Orbitolites terwissimus, CARPENTER MSS. Magnified. (No. 2 .) 
peculiarly interesting Orbitolite, a type not hitherto 
discovered farther north than the Mediterranean, 
and there attaining a comparatively small size. 
Orbitolites tenuissimus, CARPENTER MSS. (Fig. 10), 
is when complete about the size of a sixpence, and as 
