234 



MR G. TATE REGAN ON THE 



Myctophik.k. 

 10. Mifclophum antarcticKiii, (iiiiitli. 

 Specimens were taken at : — 



station 309, 63° 51' S., 41° 50' W., 2300 tatlionis ; temperature 3105° F. ; 



trawl; IGth Marcli 1003. 

 Station 414, 71° 50' 8., 23° 30' W., 0-1000 fethoms ; surface temperature 



29-1° F. ; vertical net; 15th March 1904. 

 Station 422, (')8° 32' S., 12° 49' W., 0-800 fathoms; surface temperature 

 327° F. : temperature at 800 fathoms 32-4'; vertical net ; 23rd March 1904. 



1 1. Lampanyctus hraueri, Lonnberg. 



One specimen was taken at Station 420, lat. GO" 33' S., 15° 19' W., 2620 fathoms, 

 by the trawl, on 21st Marcli 1904; temperature 315° F. The species was previously 

 known only from the type. 



Alepidosacrid^. 



FAignathosaurus, gen. nov. 



Skull verv elonoate and strongly compressed, with the upper surface somewhat 

 convex, bearing a fairly prominent median ridge. Snout and lower jaw much produced, 

 each ending in a fleshy appendage ; lower jaw projecting beyond upper ; suspensorium 

 directed obliquely forward. Teeth pointed, uniserial ; pra^maxillary teeth minute ; 

 mandibulary teeth sub-conical, erect or somewhat retrorse, strongest in the middle of 

 the length of the jaw, more spaced posteriorly ; palatine teeth strong, compressed, 

 curved somewhat- forward. 



12. Eugnathosaurus vorax, sp. n. 

 The type of this remarkable new genus and species is a head, measuring 150 mm. 

 in length from til) of snout to end of operculum, taken in the trawl on 1 8th March 1 904, 



Fig. 1. — Ewjnathosaurus vorax. 



at Station 417, in lat. 71" 22' S., long. 16° 34' W., off Coats Land, at a depth of 1410 

 fathoms, by the trawl ; temp. 31 '9° F. That it is related to Alepidosaurus is evident, 



