ADDENDA 57. SCOMBERESOCID.E TYLOSURUS. 901 



ries. Distance from snout to dorsal 2| times length of head, its length 

 nearly twice length of head 5 anal beginning close behind vent, its 

 length half the body. Pectoral short and rounded, its length (uncertain) 

 about one- third the head. "Ventrals broad, with peduncle-like bases 

 thickly covered with scales; closely adjacent, separated by a narrow 

 groove, Head 7; depth 9. 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 Somniosus. 

 (Goode, Proc. U. S. Nat. Mus. iii, 535, 1680.) 



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 subequally forked j ven- 

 trals inserted much behind middle of body (not a little before middle, 

 as stated by C. & V.). Side with a series of faint roundish bluish 

 blotches; pectoral blackish, pale at base. Head 3 to 3f in length in 

 adult examples. D. 24; A. 25. 



(t Belone Mans C. & V. xviii, 432, and Giintlier, vi, 248: Belone maculata Poey, Mem. 

 Cuba, ii, 290.) 



Page 373. Instead of Tylosurus latimanus read : 

 597. T. caribbaeus (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 3 in adults; 3 in young. D. 24; A. 22. L. 4 feet. 

 West Indies; occasional northward. 



(Belone carribcea Le Suenr, Journ. Acad. Nut. Sci. Pliila. ii, 127, 1823: Belone latimana 

 Poey, Mem. Cuba, ii, 292, 1860: Belone caribbasa Giinther, vi, 241 : Belone latimanus Giin- 

 ther, vi, 249.) 



Page 374. After Tylosurus exilis add : 

 6OO (6). T. gladius Bean 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 than deep, with a slight 

 black dermal keel. Head broad, interorbital space nearly f length of 

 postorbital part of head, with a broad, shallow, nearly naked median 



