( 1497 ) 
If you ask what Infcds thofe are^ on whofe Bodies ! have 
fcen thcfe Animalcula^ I mull tell you they are of clivers 
forts, and that I have obferv'd no fmall variety in the 
water of our Ditdies^ not only of reptiles and the Catter- 
pillar kind, but ofEeles and perfeft Shell Mil, both Cruf- 
taceous an J Teffaeeou: , and have been fo pleas d with 
the Beauty of feme of them, that i have kept rhetn many 
weeks by me, as an agreeable entertainment for fuch as 
are curious 5 and tarther defign'd, if I could have met v^^ith 
a good hind in the Country, to have got fome Hgures of 
them, which I had attempted my ftlf, but with no fatis- 
faftion. However, having preferv'd two io erable Scetches 
of two forts of the Cruftaceous kind, I vencure to fend 
the n ou, fince tho much to the difadvanta - e of their 
Btaut}) they will give you a better notion of thtm than 
any thing I can wiite^ Fig* V. and Vf fhews them tbey 
lye with their back towards you in a fwimminu; posture, 
but the Members and Legs on the other fide iiefo vriiious, 
and lo much more curiouQy form'd than thofe of 1/j i^'^-rs 
and Shi imps, that I defpair d of giving any tolersble r 
fentation of them in any other pofition Thefenrc ?t 
the fame fize, the biggeft being rather lefs than a vi 
fmall Flea, and the leaft a little bigger than a K ite, bm aU 
are Breeders, and carry their Spawn at their TajL that rf 
Fig. 5. in two Bags (one on each fidej wliich nre faften d 
about the 5ih joyni, and the other in a {ir!p;k^Bag or FiUo 
under the Tayl, and 1 have often feen thefe Bags broken, 
and the Spawn (which is globular and largeinthe propor- 
tion to the Fifh) fcatter 'd through the Wr.ter. There is alfo 
among ihefe a third fort oi thefamekind, not lefs elegant, 
tho far lefs in bulk, which is fhap*d more like a Shrimp, 
and carries its Spawn like that, but! couldncver make any 
Figure of it worth preferving ^ one thing I had like to have 
fi rgot which is very remarkoble, thnt all thefe three fpecies 
(as alfo fomc other Water Infeds) arc certninly men cu- 
Jens, and bgye their Eye exaftly in the middle of their 
X X X ^ X* X X X head, 
