( 7^7 ) 
both ends of a pointed Form,^ but chiefly in efie'hinder 
part 5 hi^ mouth was fcrew'd into the body of the great 
Worm, from whence he feem'd to me to fetch his Noii- 
riflimentj^ and by the lame means to occafion t others 
Death'.":/,;', ■ ' ' ' ^ . . 
limtW&'to my 'ftlf, that if Nature had lidt mavie 
this fort of Provifion for thefs Creatures, they could 
nbt fubfift, for fhe has not 'furnifhc them with Feet or 
Claws proper' to hold fait on the Leaves of Trees. 
How thefe laft Worms got into the Cavities-of thoic 
Tumours, is to me unknown, and almoft a riddle^ buc 
let us fuppofe that . the firft or great Worm is produced 
from an Egg, which a certain Fiy has laid on a Willow- 
Leaf, and that Worm having gnawn thro the VelTclsof 
thofe Leaves, . a fort of a flowing vifcous matter iffued 
from thofe Veffels, which irreriated the .Worm, and 
being dried up together, produced fuch Knobs in the 
Leaves; and inclofed the Worms in them 3 now forae 
time after a leiTer fort of Fly 'happened to pitch upon 
the fame Knob, and made a hole therein, and laid his 
Eggs in it, from whence proceeded the above-mentioned 
little Creature, which devoured and liv'd upon the great 
Worm. ^ ^ ' 
In the middle of ply I cropt feveral Willow Leafves, 
in which were fuch like Knobs 5 with thefe I proceed- 
ed as with the former, and difcover'd feveral Worms, 
that were very near arriv'd at their full Growth. 
After that thefe Knobs or Tumours had been in the 
glafs Tube abour.S dajsy i ope^ of them, and 
faw that theWorni was< turned into dTormekefi otAnrelia, 
then I opened QUiers, and took out 13 or 14 more 
Tonneketis, ^ ' 
In fome of the faid: Knobs I. fouad thofe little De- 
vouring Worms 'b^forermention'd 3' t call them Devour- 
ing, becaiifeil^ey prey upon a Worm that is at leaft 50 
" ' " H h h h h h 2'" ' times 
