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the agriculturist, figures accurate as to form and markings in a gen- 
eral way would be sufficient. Detailed drawing would be unnecessary. 
In the present state of applied entomology a considerable part of his 
work is in the nature of original investigation in the pure science of 
entomology. To him has been left often the work of describing and 
illustrating nice points of structure, of habit, of distribution, and the 
like, necessary to an understanding of the practical problems before 
him, and at the same time of the highest scientific value. If he is weak 
he may let this pure science of his work overshadow the more immedi- 
ately practical science, and by publishing without discrimination tech- 
nical illustrations and descriptions, endanger his success with the agri- 
culturist. The farmer cares little about the number of denticles on the 
mandible of an insect, but he ought to know whether a given insect 
gnaws vegetation or punctures it. He does not care whether the wings 
of an insect are frenate or jugate, but, it may be, would like to know 
whether the owner flies readily from one field to another. He does not 
care at all about the structare of the ommatidium of a facet eye, but 
often wants to know very much whether an insect is black or brown, 
is banded or not, is one-fourth inch, or one-halfinch long, and these are 
facts which the economic entomologist must keep before him in making 
illustrations for the agriculturist. He must produce figures that will 
be recognizable as likenesses; he must make accurate figures, for his 
own credit, at least, and if he can add to these two necessary qualities 
excellence of drawing, he may feel well satisfied with his work. Fig- 
ures, showing only technical details of structure, are to be published as 
far as possible in the technical entomological journals, no matter how 
important to applied entomology such illustrations may be assumed to 
be. Attempts to combine what is intended solely for the entomologist 
with what is published for the agriculturist, sometimes work to the 
disadvantage of the latter. The fact that the entomologist does not 
suffer so much from this combination may account for the seeming fail- 
ure of some good workers to recognize this defect in their published 
work. Reports on economic entomology have been published that are 
largely beyond the comprehension of the average farmer. The authors 
wrote, unintentionally I think, for the economic entomologist and not 
for the farmer. | 
Figures should be made of a size to be conveniently printed with text 
of the ordinary octavo page width. When possible all the stages of 
an insect should be represented, and when this is not possible from 
lack of time or material, let that stage be chosen which does the injury, 
if an injurious species, the one most likely to be encountered by the 
farmer. Besides such figures, others showing the nature of the injury 
done, or of the habitations of the insect are very desirable. In other 
words, show in illustrations what the farmer can observe and verify. 
He will never dissect out the mouth-parts of a flea-beetle. 
A dorsal view of an insect is the one calculated to show most that is 
