™ Mr. L. P. Rockwood, of the alfalfa weevil investigations, working 
on introduced parasites, has been doing some work in the office and 
A180 in the U. S. National Museum, 
The Iowa State College is about to establish a course in entomology 
, at, it is expected, will fit young men for filling positions in Gov- 
| enon and State service in applied entomology, Dr. R. EB. Buchanan, 
| Acting Dean of the School of Science, writes under date of December 2, 
915, "We realize that we can not step into the front rank in a day, but 
intend to make some serious beginnings this year toward developing 
* r work in entomology." . 
a Blaterid larvae are found in the soil, under stones, moss in wood- 
bands, and the bark of rotten logs and stumps, and may be collected in | 
large numbers by following the plow. 
If facilities are not at hand for rearing they may be placed in 
smali salve boxes, obtainable at headquarters or from any druggist, filt-' 
5a. with moist sphagnum moss, obtainable from any florist; or if this is 
not at hend, any moss will answer, Only one larva should be placed in a |! 
box, as some of the forms are predaceous. The boxes may be packed and 
Biled to the Hagerstown, Md., laboratory. 
3 Hor rearing ¢laterid larvae, place a quarter-inch layer of pilaster 
of Paris in the bottom of a salve box and fill the box with the natural 
hRidus of the larvae (wood pulp, earth, moss, etc.), and feed with as 
near normal food as possible, We have been successful in rearing all or 
tie forms so far. obtained with but two kinds of food, wheat grain and. 
disect larvae, When normal food is unknown give the larvae wheat grain 
nd any soft bodied larvae to determine whether predaceous or plant feed- || 
ing forms. Lachnosterna larvae are unfitted for this, as they often | 
oestroy elaterid larvae by mutilating them. 
JAMES A. HYSLOP. 

MEMORANDUM NO. 53. | 
December 4, 1913. ! 
Regarding attendance upon meetings of scientific and related 
societies. . 
| With a view to clearly defining procedure in the matter of attend- 
mance by employees of the Department at meetings of scientific and re- 
dated societies the following memorandum is submitted. 
The Department may from time to time desire to have a limited num- 
ber of representatives attend such meetings, either to acquire informa- 
er or to present facts of interest and value to the public. In such 
ases the Department will officially designate the representatives, and 
their usual expenses for travel and subsistence will be paid. 
et: It is recognized that the attendance of scientific workers at meet- 
Ings of their associates is desirable, but it is believed that such at- 
tendance should be regarded more for the purpose of instruction and train4 
‘ing, of direct personal advantage to the employees. SHmployees should be 
encouraged to attend such meetings, and when attendance is recommended 
by the chief of the Bureau concerned, leave of absence with pay may be 
Branted., All expenses, however, should be borne by the employee.. Empha-, 

Bis should be laid on the necessity for not permitting the work to be in-# 
Jjured by over-depletion of the force at any one time. 
Each case will need to be treated on its merits and receive the 
recommendation of the Chief of Bureau and the approval of the Secretary 
in advance. 
i 7 
(Signed) B. T. GALLOWAY » 
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