Xll 



THE VOYAGE OF H.M.S. CHALLENGER. 



1 The name Philonicus, which was originally given to this genus (p. 273), being preoccupied, I now substitute for it 

 Pleoticus, from x7ifoT/*o?. 



2 In Plesionika spinifcr the numbers respectively are 1, 1, 5, 6. 



