No. 5.— Reports on the Results of Dredging, under the Supervision 
of ALEXANDER AGASSIZ, in the Gulf of Mexico (1877-78) and in 
the Caribbean Sea (1879-80), by the U. S. Coast Survey Steamer 
“ Blake,” LrEuT.-COMMANDER C. D. S1GsBEE, U.S. N., and Com- 
MANDER J. R. Barrett, U.S. N., commanding. 
(Published by Permission of Cartite P. Patterson and J. E. Hitearp, Super- 
intendents of the U. S. Coast and Geodetic Survey.) 
XXVIII. 
Description of Thirteen Species and Two Genera of Fishes from the 
Blake Collection. By G. Brown GoopE and Tarueton H. Buay. 
Tux following descriptions relate to species first brought to light by 
Mr. Agassiz during his earlier “ Blake ” explorations in the Gulf of Mexico 
and the Caribbean Sea, in 1877, 1878, and 1879. Several other species 
have been diagnosed, and their characters will soon be published. 
Aphoristia marginata, n. sp. 
The species is described from a specimen collected by the steamer “ Blake” 
at Station CLXXI, with 1 specimen from Albatross Station 2376 as a collateral 
type. 
The extreme length of the type is 102 millimeters. 
The body is slender lanceolate in form, its greatest height contained 43 times 
in the extreme length. The scales are moderate, strongly and sharply denticu- 
late, the surface ornamented with many lines and striations, which are so 
arranged as to form a semblance of median furrows ; 88 to 90 scales in a longi- 
tudinal series, 34 in a transverse series. 
Jaws and snout covered with scales. 
The length of the head is contained 53 times in total length. The length of 
the snout in that of the head 4} times, and equal to the diameter of the upper 
eye. 
The eyes are moderate, close together, the upper very slightly in advance. 
The nostril, in a long, slender tube, nearly midway between lower eye and tip 
of snout. ; 
Mouth moderate, oblique, curved, its posterior angle beneath the anterior 
margin of the pupil of the upper eye; its length of gape in that of head 4} 
times, and 5 times in greatest height of body. Dentition feeble. 
VOL. XII.— NO. 5. 
