FISHES—REGAN, 
35 
Antarctic Zoarcidae as the representative of a northern family generically distinct 
from the northern members of the group. 
In the present state of our knowledge subdivision of the Glacial District would 
be premature: many of the species are known to have a circumpolar distribution, 
\ 
Ca 
Fig. 6.—Distribution of Chaenichthyidae: Cs, Champsocephalus: 1, esow; 2, gunnari; P, Pagetopsis 
rt) 
macropterus; C, Chaenichthys: 1, rhinoceratus; 2, rugosus; Cn, Chaenocephalus  aceratus ; 
Cr, Cryodraco: 1, antarcticus; 2, atkinsoni; 3, pappenheimi ; Ci, Chionodraco: 1, hamatus ; 
2, kathleenae ; Ch, Chaenodraco: 1, wilsoni ; 2, fasciatus. 
and further researches will doubtless increase their number. It may be noted that 
from Victoria Land 12 species of Trematomus and only one of Notothenia have been 
described, from Graham Land six of 7rematomus and five of Notothenia, and from 
South Georgia three of Trematomus and six of Notothenia. That South Georgia is 
1a We 
