ADDENDA 57. SCOMBERESOCIDA: TYLOSURUS. 901 
ries. Distance from snout to dorsal 2| times length of head, its length 
nearly twice length of head; anal beginning close behind vent, its 
length half the body. Pectoral short and rounded, its length (uncertain) 
about one-third the head. Veutrals broad, with peduncle-like bases 
thickly covered with scales; closely adjacent, separated by a narrow 
groove. Head 7^; depth 0. D. X; A. XIX, 130; P. about 17; V. II, 
9; B. 8; scales about 20-400-36. Grand Bank, Newfoundland. {Goode.) 
One large specimen known, taken from the stomach of a Somniosm. 
(Goode, Proc. U. S. Nat. Mug. iii, 535, 1880.) 
Page 373. To the account of Tylosurus Mans add: 
Body slender, very strongly compressed, nearly twice as deep as 
broad. Tail without keel. Caudal deeply and snbequally forked; ven- 
trals inserted much behind middle of body (not a little before middle, 
as stated by C. & Y.). Side with a series of faint roundish bluish 
blotches; pectoral blackish, pale at base. Head 3J to 3| in length in 
adult examples. D. 24; A. 25. 
{’iBelone Mans C. & V. xviii, 432, and Giiuther, vi, 248: Belone maculata Poey, Mem. 
Cuba, ii, 290.) 
Page 373. Instead of Tylosurus lati)nanus read: 
597. T. cai’ibbsriis (Le S.) J. & G. 
To the description in the text add: 
Body very elongate, subterete, the depth little more than the breadth 
of body, and considerably less than length of postorbital part of head. 
Tail scarcely depressed, but with a small black dermal keel. Young 
and half-grown specimens with the last rays of dorsal elevated, nearly 
or quite as high as anterior rays; adults with the posterior rays of dor- 
sal low, not longer than the median. Caudal unequally forked. Jaws 
rather strong, slenderer in the young. Scales very small. Tip of pec- 
toral black. Head 34 in adults; 3 in young. D. 24; A. 22. L. 4 feet. 
West Indies; occasional northward. 
{Belone carrilxsa Le Sueur, Joum. Acad. Nat. Sci. Pbila. ii, 127, 1823: Belone latimana 
Poey, Mem. Cuba, ii, 292, 1860: Belone caribhcea Giintber, vi, 241 : Belone laiimanus Gun- 
ther, vi, 249.) 
Page 374. After Tylosurus exilis add : 
600 {!)). T. gladilis Beau MSS. 
Green; pectorals and dorsal blackish. Body robust, little com- 
pressed, its greatest breadth a little more than f greatest depth ; cau- 
dal peduncle slightly depressed, a little broader tlian deep, with a slight 
black dermal keel. Head broad, interorbital space nearly | length of 
postorbital part of head, with a broad, shallow, nearly naked median 
