102 
pests unless the plants are under the strict supervision of an entomol- 
ogist. This leads one to think of quarantine regulations which have 
not yet "been dreamed of in England ; and so far as present methods go, 
no doubt Kew is altogether superior to the average of private firms, as 
Mr. Morris states. The consequence of this state of affairs is, that one 
never knows what will turn up in a given locality. Ghionaspis minor, 
Mask., described from Xew Zealand, now proves to be common in the 
West Indies. Dactylopius calceolaria 1 . Mask., from Xew Zealand and 
Fiji, is discovered in Jamaica. Lecanium mangiferw. Green, from Cey- 
lon, is detected in Jamaica and Demerara. A Ceroplastes from Antigua, 
which I believe to be the same species as C. cassia 1 , Chav., of Brazil, 
does not appear to differ from C. dugesii. Licht. MS., Twns. (of which 
I have specimens), front Mexico, and these again seem identical with 
the Indian C. ceriferus, Anders. Mr. Maskell pointed out this latter 
fact to me, and he has been so good as to forward Indian specimens of 
C. ceriferus, which seem to bear out his opinion as to the identity. I 
have all three now before me, but Mr. Maskell had only compared the 
Antigua form with C. ceriferus. 
Such instances become more numerous as fresh information comes 
to hand. Thus AsteroJecanium [vel Planelwnia) pustulans. Ckll.. known 
from Demerara. the West Indies, and Florida, was lately detected by 
myself at Vera Cruz. Mexico: and Mr. Maskell writes me that he 
knows it from Brazil and the Sandwich Islands. When I promised 
this paper, I thought of preparing something more elaborate than these 
few notes: but the distractions attendant on a change of residence, 
and the temporary detention of my books in Mexico City, through the 
blundering of a transfer company, have made it impossible to adequately 
gather together the statistics. Xor have I tried to discuss the distri- 
bution of Coccidae within the United States, as I have nothing fresh of 
importance to contribute, and among those present are some doubtless 
much more competent to speak on this subject than myself. Yet the 
principles are the same throughout, and the evident indications are 
that we should endeavor to increase the knowledge of coccid distribu- 
tion by all possible means, and so far as possible to prevent their im- 
portation into fresh countries. If my view is correct, now is the time 
to insist on the necessary precautions, as in fifty or a hundred years it 
will be altogether too late. 
In conclusion I will give a list of the coccids I found this year in the 
Marine Gardens, Kingston, Jamaica. This locality is in the midst of 
the town, and it will afford an illustration of the coccid fauna of the 
island, as now found on cultivated plants. It may be seen at a glance 
that nearly all the species have been found in distant localities, and it 
may well be doubted if the scale insects as a whole belong any more 
to the original fauna of Jamaica than the plants on which they are 
found do to the flora. 
