4 7 
r The strongest and healthiest beasts seem to be preferred he 
heM ; ^ir'of “r ietheir r ssessiug them » 
.est and stoutest hides have the 
4 V s " 0t yet “tisfaetorily ascertained, whether this alarm is the 
stml : “ ,m ‘ ,nCtiTC fear 0f ‘he Oestrus , or whether, “deno! 
o ie egg they inflict a painful wound ; or if there is a sound 
given by the Fly which is frightful to them. The soak at the 
haTbee„ th s e u WiDgS ,°f ‘r V " “ ably ^ * and this part 
to be the UPP ° Se f d ’ y Keller > “ d other ™ters on this subject, 
mak This" 8 ” ", S °T d ° r bUZZi,Ig We hea ‘' fl0 “ «*« «;- 
. ‘ . magnitude of the wing-scale would favour the oni- 
mon of Virgil of their atfont u ■ . P 
“ asnnr i U1 b g accom P ail ied with a noise 
aspei, acerba, sonafis,” &c. Those, however I saw in fliobi 
made not the least sound fW t it ’ a n fll S ht 
t rU e that in X f T COuld P erceive i still it may be 
emoiilns ac mSert,D « the e SS s ’ fr omcertain feelings or 
emotions accompanying this act they may be led to do so I„ 
he'd , ri^^^ 17 Lmna5US saw the e SS protruded and 
.eld out upon the point of the abdomen, like a white seed, ready 
of nnv i' 1 "" ta<? Skln °' the animal ’ h e makes no mention 
any sound accompanying it in this Fly, and this circum¬ 
stance of the protrusion of the egg would lead us to infer, that 
no wound is inflicted by the Fly, whose tail, like the tube of a 
telescope, piece with,,, piece, appears of a nature no way calcu¬ 
lated for such infliction. The Ichneumon Fly, we know, deposits 
i s egg upon the naked skin of the caterpillar, which egg adheres 
staoiigiy to the skin, as though glued to it; and the little grub, 
on ,,e hatching of the egg, makes its way through the skin into’ 
the body of the caterpillar, and there feeds till ripe; audit is 
qua y possib.e, that the skin of the ox is perforated by degrees 
y le young larva of the Gad-Fly, till it obtains its situation 
eneath the hide. The animal is so frighted that it has not the 
