470 Dh MUKHAY oN THE DEEP AND SHALLOW-WATER MARINE FAUNA 



The lijiiii, which Count Castracane has indicated br '■'■ Frayilaria ? an Terd/raria? sp." ' may 'jb regarded as 

 the southern representative of Fragilaria oceanka, Cleve, from the Arctic Ocean, with whicli it shows in the 

 general arrangement and character of the frustules a considerable amount of agreement. Among the Diatoms 

 observed at this Station, the following have been also recorded in the Arctic zone, a few of the species being almost 

 cosmopolitan : — 



Kavkulu aqitra, Ehrenberg. 

 Triceratium arctkmn, BrightwelL 

 JUiiaosoleiiin setiyera, lirightwell. 



„ styliforiHu, Brightwell. 



Cluftoceros decipiens, Cleve. 



„ atlanticum, Cleve. 

 Coscinodigeus decrescens, var. iioUiru, Grunow. 



„ „ var. repleto, Grunow. 



I'oisciivMvicnii mbtilu, Ehrenberg, var. f/hiHalis, 

 Grunow. 

 „ ocuhis-iridis, Ehrenljerg. 



„ centralis, Ehrenberg. 



„ noTma.nni, Gregory. 



„ kutzingii, A. Schmidt. 



„ excentrkus, Ehrenberg. 



„ lineafus, Ehrenberg. 



1 Bot. Cliall. Kxp., part iv. j . 47, I'l. xxv. fig. ]. 



SerolU brwileyanv, Willeiuoes-SuLiii. A soutlieru ileep-sea form. 



