222 EXPEDITION OF THE "ALBATROSS," 1899-1900. 



more divergent, but not markedly so ; interval between third and fourth 

 pairs shortest, that betveeen fourth and fifth but slightly longer ; second 

 interval but little shorter than the first. Supra-ventrals slightly nearer 

 ventral fins than lateral line. First pair of ventral photophores nearly in 

 contact on median line, the others farther apart and equidistant from 

 median line, the fourth pair at the sides of the vent and somewhat an- 

 terior to it; second interval longest, the first shortest. Upper supra-anal 

 immediately below lateral line on its seventeenth scale, and in a vertical line 

 passing through the second anal ray ; middle supra-anal slightly nearer 

 upper supra-anal than fourth ventral, in an oblique line joining the two ; 

 lower supra-anal below and well in advance of middle supra-anal, in a 

 line joining middle supra-anal with first ventral. Antero-anals 7 (6 in one 

 specimen), equally spaced, forming a gently curved line with the concavity 

 downwards. Postero-lateral immediately below lateral line, above or slightly 

 behind last antero-anal. Postero-anals 5. Precaudals 2, in an oblique line, 

 the interspace a little wider than that separating those of anal series. 



In the four specimens before us, the anal photophores number as follows : 



^7+5 ^7 + 5 ^7 + 5 ^6 + 5 

 ^7 + 5,^7 + 5,^7 + 4,^6 + 5 



General color very light brown, marked with distinct blackish spots 

 distributed as follows : one immediately behind nape, one before dorsal fin, 

 one at base of adipose fin, — these all on median line ; a humeral spot ; a 

 very small spot at base of caudal. 



It seems highly probable that D. naufntgm Waite (Waite, Records Austra- 

 lian Museum, 1904, 5, p. 154, pi. 18, fig. 3), should be placed in the synon- 

 omy of this species, the differences indicated by the author being drawn 

 from the somewhat inaccurate drawing of the immature type of D. aspcr. 



Rhinoscopelus tenuiculus (Gakman). 



Myctopbum tenuiculum (jarman, Mem. Mug. Conip. Zool., 1899, 24, p. 262, pi. J, fig. 5. 



A single specimen, 50 mm. long, was taken September 4, 1896, in Lat. 

 N. 10° 57' 35", Long. W. 137' 35' 25". The species is considered by Brauer 

 (Zool. Anz., 1904, 28, p. 390) to be a synonym of R. coccoi, but comparison 



