410 BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



Known only from the type taken at Albatross station 5511, in 

 Iligan Bay, Mindanao, at a depth of 410 fathoms, where the bottom 

 temperature was recorded at 53° F. 



(dubius, apparently in reference to its supposed doubtful status 

 or relationships.) 



13. CORYPHAENOIDES ASPRELLUS (Smith and Radcliffe). 



Macrourus asprellus Smith and Radcliffe, Proc. U. S. Nat. Mus., vol. 43, 

 1912, p. 118, pi. 26, fig. 1. 



C. asprellus is related to C. nasutus, 1 a common Japanese species, 

 but differs chiefly in the number and character of the scales. There 

 are 5 or 6 instead of 6 or 7 between the origin of the second dorsal 

 and the lateral line, excluding the lateral line scale. The spinules 

 on the scales are coarser and longer; the rostral tubercles are much 

 weaker and smaller, the terminal one bearing only six radiating 

 spinous carinae ; the scales on the preopercle have strongly divergent 

 spinous carinae, while those of the same region in C . nasutus bear 

 spinules in quincunx order as elsewhere on the body. Several addi- 

 tional differences are apparent: the dentition is stronger; the sub- 

 orbital ridge is less pronounced ; and the color is much darker. Cer- 

 tain proportions of the head differ: the snout is larger and its pre- 

 oral projection greater; the interorbital is much wider; the maxil- 

 laries are much longer (3.1 in head). 



It is perhaps more closely related to O. hoskynii, 2 from the Bay 

 of Bengal (1,310 fathoms), differing chiefly from Alcock's descrip- 

 tion in not having " the last spinelet of the middle series greatly en- 

 larged above the others." 



The spinules of the scales are in quincunx order, and not in rows 

 as originally described. 



Known only from the type, collected at Albatross station 5632, 

 southeast of Bachian Island, Dutch East Indies, at a depth of 815 

 fathoms. 



(asprellus, diminutive of asper, a Japanese species.) 



14. CORYPHAENOIDES SEMISCABER, new species. 



Type-specimen.— Oat. No. 83625, U.S.N.M.; 251 mm. in total 

 length, 74 mm. to anus; from Albatross station 5215, in 604 fathoms, 

 east of Masbate Island, Philippine Islands; bottom temperature, 

 50.5° F. 



Three smaller paratypes were also obtained: one at station 5124, 

 in 218 fathoms, off the east coast of Mindoro; another at station 



1 For description and references see Gilbert and Hubbs, Troc. U. S. Nat Mus., vol. 51, 

 1916, p. 1G8. 



2 Macrurus hoskynii Alcock, Ann. Mag. Nat. Hist, Sept., 1890, p. 214; Jour. Asiatic 

 Soc. Bengal, vol. 43, pt. 2, 1894, p. 12G. Illustrations of the Zoology of the Investigator, 

 Fishes, pi. 9, fig. 4, 1894 ; Desc. Cat. Indian Deep-Sea Fishes, 1899, p. 116. 



