xiviit A Short Explanation 
g The fmall gut, forming fix foldings. 
4 A little gut, within the former, where it 
likewife makes a variety of folds. 
zz The curled windings of the faid little in- 
teftine. 
k The dilatation of the fmall guts, and places 
where it produces four blind guts, that {pring 
from a common trunk. 
/ Places where the thick guts unite with the 
-{mall guts. 
mm Some globular dilatations in one of the 
blind guts, and the wonderful divifions of 
its contents. 
2m Surprifing windings and folds of the blin 
guts. : 
0 The place where two of the upper blind guts 
unite into one. 
pp Windings of another, or the other upper 
blind gut. 
gq Windings of the third. 
r The blind extremity of this laft. 
ss Windings of the fourth blind gut. 
¢ The blind annular extremity of this laft. 
uw Dilatations of the colon, in form of nodules. 
x The larger dilatation of the colon. 
y The two fmalleft dilatations of the colon. 
z The anus, below the ftraight gut. 
F Gea: Vil. 
The fpinal marrow in the Nymph and Fly. 
2 3, &c. Eleven nodules of the fpinal mar- 
row, now extended at full length, and drawn 
out one from another. 
a The brain; and above it a rough draught 
of the tunice cornez of the eyes, and their 
hexagonal divifions. 
The firft nodule of the fpinal marrow, re- 
taining its primitive fituation. 
c The four following nodules, which now form 
a confiderable knot or {welling, at the fame 
time that the fixth, feventh, and eighth are 
are feparated one from another, and the {pi- 
nal marrow between them is drawn out. 
d The three laft nodules, continuing in their 
former fituation. 
TA B. XLII. 
TGs tad 
The external fein fhed by the Gadfly, with the 
manner of its fhedding it. 
fod 
SN 
1 23, &c. Thefenumbers, placed in oppofite 
ranks, fhew the twelve rings of the Fly, or 
Worm’s fkin. 
a The third and fourth rings: it is in this 
place that motion is firft perceived in the 
Worm’s fkia, when the Fly is about to break 
forth. And for this reafon thefe rings burft 
open in a longitudinal direction. 
6 The third fore ring, or, counting from the 
tail, the tenth, which burfts open in a con- 
trary direction into two parts, one of which 
of the TABLES. 
continues faftened to the fecond, and the 
other to the fourth ring. 
¢ The fourth ring opens almoft in the fame 
manner, only that it cleaves more in the 
middle. 
Bah Ga 
A general view of the external limbs and parts 
of the Gadfly. 
a Itstwo antenne, or horns. 
5666 The fix feet, and their joints. 
cc The wings. d The abdomen. 
BiaiaG.) Wii: 
A diffection of the Gadfly. The external fein and 
internal coat fhed by the Gadfly. 
I 2 3, &c. Rings of the external fkin. 
a@a Pulmonary tubes, rolled off, in the fe- 
cond, third, and fourth rings. 
46 The curled extremities of the tubes. 
c An inteftine, fhed likewife by this infect, 
containing forme tranfparent particles like 
fand, which ferment with acids. 
d The caftlegs, {nout, and eyes. 
e The caft fkull. 
J Coats or fkins, fhed by the gullet and the 
. {tomach. 
gg The caft internal coat, which immediately 
enclofed all the limbs of the Nymph. 
b The place where the coat contained the Fly’s 
tail. 
27 Pulmonary tubes caft off within the deli- 
cate little fkin. 
& The largeft of thefe tubes, with its ramifi- 
cations. 
PPLGe iv: 
AA rough draft of the manner in which the In- 
tefiine fheds its fein. 
a The internal coat of the inteftine 4. This 
inteftine comes away full of grains of fand. 
6 The inteftine itfelf, remaining in the body.. 
. € The anus, with the internal coat of the in- 
teftine 6, fhed by the infect, ftill faftened 
to it. 
PANG. 1YV. 
The probofcis magnified. 
a ‘The two fore parts of the probofcis, of an 
_ oval form. 
6 Hairs growing from the {kin of the probofcis. 
c ¢ Two articulated briftles, or appendages of 
the probofcis, {pringing from within its root. 
d A triangular horny bone, furrounding the 
root of the probofcis. 
e Another little bone like the laft in fubftance, 
but of a different form. 
FUG. 
