37 
on the infestation, and, since the date of their publication, I have 
once (in 1894) had an observation sent me, of an attack differing 
so much in the numerous presence of warbles from the very small 
amount which is considered characteristic of Horse Warble infes¬ 
tation, that it suggests the H. bovis (our Ox Warble Ply) may be 
also a cause of mischief. 
The attack is certainly of a Hypoderma, that is, of a Warble 
Fly of the genus to which our H. bovis belongs, but as yet no fly 
appears to have been developed under circumstances available for 
identification, nor (so far as 1 know) have any technical descriptions 
of the maggot, excepting that of Dr. Brauer,* been published, 
which I do not give here, as to it the author adds the following 
remark: “ From the description it will be seen that the larva may 
be judged to be in the second stage, in which it does not appear to 
show any especial difference from others of the genus. To dis¬ 
tinguish whether it is the larva of the Hypoderma bovis or of 
another kind, we must know the third stage.”—(F. B.) 
For all practical purposes, however, it seems enouyh to know that 
the maggot strongly resembles that of the Ox Warble Fly, which is 
very generally known, and will be found by those who wish for 
minute observations described and figured, and also in external and 
internal detail in the following article, with means of prevention 
and remedy. 
The specimens which I have received myself do not afford 
further advance, and the only flies which were hatched were 
merely reported to be rather longer than the Ox Warble Fly, but 
as they shrivelled so that unfortunately the observer did not consider 
them worth sending, we should be very much the better for some 
more well-observed information. 
In regard to the very few ivarbles noticed on one animal. In the 
year 1886 (the only year in which any special amount of enquiries 
have been sent to me regarding this attack), of nine communications 
forwarded, including one from Dr. W. Fream, and another from 
Mr. Hy. Thompson (Aspatria, Cumberland), there were six that 
mentioned presence of only one maggot, only two mentioned three 
maggots, and one “ three or four ” being present. 
Of these Mr. Thompson mentioned with regard to one larva 
sent: “ This is the third from the same animal, which is very 
peculiar, as you seldom see them.” Dr. W. Fream, who entomo- 
logically as well as agriculturally would be acquainted with attacks 
* ‘ Monographie der CEstriden,’ von Friedrich Brauer, Wien, pp. 137, 138. 
Also quoted in extenso (trans.) in my Annual Report for 1886, p. 90, E. A. 0. 
