130 FISH HARVESTING. 
Mountains I have never seen the Indians use 
them as an article of diet, not from any dislike to 
the fish, but simply because there are larger and 
better fishes quite as abundant, and as easily 
procurable. Whether there are any species in 
the North-west, strictly marine, building their 
nests in the sea and never entering fresh-water, 
I am unable to say. 
The Fifteen-spine Stickleback (G'asterosteus 
spinachia) is along our own coasts strictly a ten- 
ant of the ocean, and makes a nest of seaweeds 
glued together with an adhesive mucus, in the 
same way as the nests of our little friends are 
cemented, that seek as their nursery the clear 
cold streams of British Columbia, Oregon, and 
Vancouver Island. 
Tue BuritnEap.—The stickleback has a near 
relative, with a name nearly as ugly as the 
owner, ‘ bullhead’ being certainly not suggestive 
of beauty! With such a name, we are the less 
disappointed to find the entire family of our 
friends ill-favoured, prickly, hard-skinned, and 
as uncomfortable to handle as to look at. Plates 
of scaly armour cover the head, from which 
sprout sharp spines, like a crop of horns ; between 
these are tubercles that have the appearance of 
being rivets. The body looks like an appendage, 
