chap, in.] THE CRUISES OF THE ' PORCUPINE: 91 



of Amphihelia ramea, and everywhere the several 

 varieties of CaryophylUa 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 



F I( - ; . 10.— OrMtoliies tenuissimus, Cabpenteb MSS. Magnified. (No. l'S.) 



peculiarly interesting Orbitolite, a type not hitherto 

 discovered farther north than the Mediterranean, 

 and there attaining a comparatively small size. 

 Orbitolites tenuissimus, Carpenter MSS. (Pig. 10), 

 is when complete about the size of a sixpence, and as 



