1 86 Sovtthern Cross. 



11. NOTOTHENIA MACKOCEPHALA, Gthr. 



Campbell Island. 



BOVICHTHYS, Cuv. et Val. 



12. BOVICHTHYS VAPJEGATUS, Ptich. 



Several specimens from Campbell Island. 



GYMNODRACO, gen. n. 



Body elongate, depressed in front, compressed behind, naked ; 

 two lateral lines. Snout flattened, much produced; mouth large, 

 jaws with a single series of closely-set, curved compressed teeth, and 

 with very large canines anteriorly, those of the mandible exposed in 

 front of the snout ; palate toothless. Gill-cover with two spines, the 

 upper very strong and with a hooked branch. Gill-membrane 

 narrowly attached to isthmus ; branchiostegal rays 6. A single, 

 long dorsal fin, formed of articulated rays ; a similar anal fin. 



Scapular fenestra between the scapula and the coracoid. Ver- 

 tebrae 20 + 28 ; ribs and epipleurals very slender, inserted behind 

 well-developed parapophyses on the praesacral vertebrae. 



13. Gymnodkaco acuticeps, sp. n. 



(Plate XYII.) 



Depth of body 8 to 9 times in total length, length of head 3 to 

 31 Head strongly depressed, twice as long as broad ; snout acutely 

 pointed, as long as postocular part of head ; nostril rather large, not 

 tubular, nearer the eye than the end of the snout ; interorbital region 

 broad and slightly concave ; diameter of eye 5 times in length of 

 head, equal to interorbital width ; maxillary extending to below 

 anterior border of eye; lower jaw strongly projecting beyond the 

 snout, which is overlapped by the very strong backwardly directed 

 canine teeth with which the symphysis is furnished; the anterior 

 canine teeth of the praemaxillaries directed forward, the posterior 

 stronger and directed backward ; opercle armed with a very strong, 

 flat spine, with an upper hooked branch as in Harpagifer ; subopercle 

 with a small spine. Dorsal 28-30, originating a little in advance of 



