179 
SCOMBRESOCIDiE. 
“ Eodj covered with scales ; a series of keeled 
scales along’ each side of the helly. Margin of the 
upper jaw formed hj the intermaxillaries mesially, 
and hy the inaxillaries laterally. Lower pharyngeals 
united into a small hone. Dorsal fin opposite the 
anal, belonging to the caudal portion of the verte- 
bral column. Adipose fin none. Air-bladder gene- 
rally present, simple, sometimes cellular, without 
pneumatic duct. Pseudobranchige hidden, glandular. 
Stomach not distinct from the intestine, which is 
quite straight, without appendages. 
“ Marine fishes of the temperate and tropical 
zones, many species entering or inhabiting fresh 
waters.” 
HEMIEA.MPHUS. 
This form may he considered as tropical, one sort alone extend- 
ing its habitat to the Mediterranean Sea ; several are found in 
Australia, hut I have only observed one on the shores of Yictoria. 
HEMIEAMPHUS MEIANOCHIE. 
Hemiramphus melanochir, Cuv. ^ Val., vol. xix,, p. 41. 
intermedins, Gunther, Catal,, vol. vi., p. 260. 
(The Gar Fish.') 
The lower jaw, from its extremity to the point where it meets 
the upper one, is contained five times in the total length ; the 
height of the body is about sixteen times in the same ; and the 
head, to the extremity of the upper jaw, is five and two-third times 
in it ; the orbit is contained about four times in the same 
distance. The upper mandible is long and obtuse ; the teeth 
very numerous ; the dorsal fin is long, and formed of seventeen 
rays ; the anal has the same form and nineteen rays ; the 
