128 FISH HARVESTING. 
immediately behind the base of the pectorals; 
ventrals inserted anterior to the second dorsal 
spine. The colour is very much like: that of G. 
serratus, but more decidedly purplish on the 
sides ; the eyes bright red in both species, when 
fresh from the water. 
Gasterosteus concinnus, the Tiny Stickleback 
(Rich., F. B. A., p. 57, vol. 11.).—Sp. Ch. : Head 
one-fourth of the total length, mouth small, and 
teeth but feebly developed; dorsal spines nine, 
seventh and eighth smaller than the preceding 
ones, the ninth longer than any of the others. 
The abdomen is protected by a bony cuirass, and 
the ventrals represented by two spines. All the 
spines are moveable, and destitute of serrations. 
Colour of the back a bright sea-green, sides 
purplish-pink, shading away to a silvery-white 
on the belly ; the entire body speckled with 
minute black spots. 
This handsome little stickleback, though 
smaller in size than his brethren, is vastly more 
abundant. Sir J. Richardson speaks of it ‘as 
being common in the Saskatchawan, ranging as 
far north as the 65th parallel.’ So abundant are 
they in the lakes and pools about Cumberland 
House, east of the Rocky Mountains, that sledge- 
loads are dipped out with wooden bowls, and 
