418 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 50. 



maxillary 2|; mandible 2; interorbital space 10; height of first 

 dorsal 2J ; of second 2| ; length of pectoral 1^ in head; of ventral 2 J. 



Anterior nostril with a short posteriorly directed tube, the posterior 

 opening large and oval; maxiUary terminating under center of eye, 

 edged with minute conical teeth; premaxillaries with five enlarged 

 posteriorly directed canines and broad bands of mmute teeth; canines 

 frequently lost, the third on each side in aU specimens at hand loosely 

 and flexibly attached. 



Dorsals varying in height, the fhst bemg from 2 J to 2|- in head; the 

 second elevated anteriorly, the first ray longest, nearly equal to 

 length of second ray of first dorsal, sixth ray being two-thirds length 

 of first and but slightly longer than twenty-eighth; membranes of 

 shorter rays incised nearly to base. 



Jaws sparsely scaled along edges, the scales on cheeks much 

 smaller than shown in illustration of type.^ 



Color of adults in alcohol brown above and silvery below; -scales 

 above each marked by a small basal spot of darker color; a diffuse 

 faintly dusky spot as large as eye on opercle; upper pectoral rays 

 strongly pigmented, as is membrane of first dorsal; second dorsal 

 with alternate light and dark on rays, forming longitudmal bars on 

 fin. Young of 160 mm. total length with 10 or 11 transverse whitish 

 bars, each four scales wide, extendmg from mid-dorsal line to lateral 

 line. In very young, 40 mm., these are much more numerous, tending 

 to fuse, and the fins are colorless. 



11. WEST COAST, SOUTH OF 46° 45' SOUTH LATITUDE, 

 INCLUDING THE STRAITS OF MAGELLAN. 



List of species other than those of the genus Notothenia: 



MYXINIDAE. 



1. Myxine australis Jenyns. Port Churruca, Borja Bay, and Sandy Point. 



SCYLLIORIIINIDAE. 



2. Catulus canescens (Gunther). Stations 2780, 2783, and 2784. 



SQUALIDAE. 



3. Squalus fernandinus Molina. Gregory Bay. 



4. Etmopterus granulosus (Gunther). Station 2781. 



RAJIDAE. 



5. Raja magellanica Steindachner. Station 2774. 



6. Psammobatis rudis Gunther. Station 2778. 



GALAXIIDAE. • 



7. Galarias nCaculatus (Jenyns). Mayne Harbor. 



8. Galaxias attenuatus (Jenyns)^ Port Otway. 



1 Voyage d' Uranie, p. 351, pi. 53. 



