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(p. 14) that Aspidiotus perniciosus is, with little or no doubt, a native of 
Japan, basing this conclusion on the fact of the discovery on stock 
from Japan of two varieties or subspecies, viz, andromelus and albo- 
punctatus, and furthermore on the statement of Mr. Alexander Craw 
that the only time that he had found perniciosus on imported stock 
was on some apple trees from Japan the grafts of which were pur- 
chased in America. The latter basis for the belief in the Japanese origin 
of this scale would seem to be rather feeble, but the occurrence of the 
two varieties mentioned is stronger evidence, especially in view of the 
fact that they can not be considered varieties at all, but should both 
be referred to the San Jose scale, from which they were separated on 
imaginary differences in the covering scale. 
The subject is again taken up by Professor Cockerell in Entomolog- 
ical News (April, 1898, p. 95), and the statement is made that Mr. 
Craw reports finding this scale two or three times on trees from Japan, 
and it is suggested by Professor Cockerell that the scale is probably a 
native of the more or less elevated forest regions in Japan rather than 
of the seacoast strip, which, as a rule, is characterized by oriental or 
tropical species of scale insects. 
Additional evidence pointing to Japan as the home of this scale is 
given by Professor Webster in Bulletin No. 103 of the Ohio Agricultu- 
ral Experiment Station, page 196, Professor Webster reports finding 
in April, 1898, this insect associated with the peach scale, Diaspis pen- 
tagona, on Japanese semidouble flowering cherry received direct from 
Japan during the winter of 1896-97, the nature of the infestation and 
the isolation of the place in which the trees were planted proving their 
infestation when received. A lot of similar stock belonging to the 
same varieties, and imported directly from Japan during the winter of 
1897-98 by the same firm, was examined and a similar infestation with 
the San Jose scale was discovered, especially on the old stocks or 
stumps. In the same place Mr. Webster quotes Mr. Walter W. Frog-- 
gatt, government entomologist for New South Wales, to show the lat- 
ter’s belief that the San Jose scale came to Australia from Japan, 
citing three instances mentioned by Mr. Froggatt of direct importation 
of stock infested with this scale. This is confirmatory of the similar 
evidence given much earlier by Mr. Maskell. 
During the present year the Department of Agriculture has three 
times determined this scale insect on material received direct from 
Japan, the most interesting instance being in connection with a large 
lot of plums collected in Japan for the Department of Agriculture by 
Mr. Knapp. ‘These trees were all more or less infested with the perni- 
cious scale. 
A very interesting account of the occurrence of this insect in Japan 
has just come to us from a student of entomology, Mr. M. Nawa, writing 
from Kyomachi, Gifu, Japan, under date of June 2, 1899. His deter- 
