220 NATURAL HISTORY CALENDAR.: 
derivation of Latin words. A little study will give one enough know- 
ledge of the age for ordinary practical purposes. A large num- 
ber of scientific terms are derived from the inal some knowledge 
of which is indis sn to the naturalist. 
Mr. George B. Emerson, in an article on the Study of Latin Gram- 
mar, published in the Massachusetts Teacher, A 1867, says that 
“DArcy W. Thompson, a man of genius, now Professor of Greek in 
Queen’s College, Belfast, Ireland, author of the part Dreams of a 
Schoolmaster,’ will engage to put all the Latin Grammar necessary to 
make a good scholar ot! a sth ai twenty-four pages of a little work 
that shall sell for sixpence 
Read also the Inaugural Airi; delivered at the University of St. 
Andrews, Feb. 1, 1867, sea John nee Mill (published in Littell’s 
Living Age, Boston, No. 1,189). s treats in a very comprehensive 
way of the study of science and ies iin It should be read by 
every naturalist. 
shall issue a shoe rg and full index at the close of each volume 
of ika a 
G. W. P., New —The insect you enclose is a False-Scorpion 
felis. The iN claws are adapted for seizing their prey, as the 
habits of the insect are somewhat like those of the Scorpion, though 
from its different structure it is more closely allied to the Mites. 
NATURAL HISTORY CALENDAR. 
Insects oF June.—In our monthly calendars we propose to 
notice more fully than heretofore the injurious insects. References 
the times of their appearance must be necessarily vague, and ap- 
ply only, in a very general way, to the Northern States. Insects ap- 
pear in Texas about six weeks earlier than in Virginia, in the Middle 
States six weeks earlier than in northern New England and. the 
North-western States, and in New England about six weeks earlier 
than in Labrador. The time of the appearance of insects corresponds 
to the time of the aang or leafing out of certain trees and herbs; 
for instance, the larvæ of the American Tent Caterpillar, and of the Can- 
ker-worm, hatch just as es apple-tree begins to leaf out; a little later, 
the Plant-lice appear, to feast on the tender leaves, and when, during , 
the first week in June, our forests and orchards are fully leaved out, 
hosts of insects are marshalled to ravage and devour their foliage. 
oor w 15th. — Early ie! the month the Parsnip Butterfly (Papilio 
) may beds of parsnips, laying its eggs for 
