252 
BLUEFIELDS. 
from three to five hundred, assembled within the 
space of ten yards square. They seemed to be all 
of one kind, true Lihelluladce, not Agrions, I had 
never before seen any association, except the pairing 
of the sexes, in this predaceous family of insects : 
conformably to the usual habits of animals that live 
by violence, each Dragon-fly generally quarters his 
own hunting-ground, hawking to and fro in his rapid 
traverses in grim indifference to his fellows around, 
whose courses cross and re-cross his own: but these 
were acting in concert, as was evident not only 
because they herded close together, but by the unity 
of their motions. The lower stratum was uniformly 
moving in one direction, while the upper moved in 
the opposite ; yet the integrity of the mass was, 
somehow or other, still maintained. They were 
close to me ; but my surprise and interest were so 
much excited by the unwonted spectacle, that I did 
not think of disturbing, or attempting to capture 
any of them. 
A DRIVE TO MONTEGO BAY. 
October %2nd. — A friend drove me across the 
island to Montego Bay. The road, which is excellent, 
leads through a cultivated country almost the whole 
distance, and offers comparatively little of interest 
to the naturalist. A magnificent Bamboo walk at 
Haddo, the most extensive I have seen, is worthy 
of mention. On the broad undulations of the in- 
terior little forest is left standing, and the country 
has a very open appearance. I saw a single speci- 
