( 1171 ) 
Animal not uncommon among the reft, which is as large ^k- 
as the former, and in its motion (which /s very nimble^ 
keeps always the (harp end foremoft. I have obferved 
fome variety in thefe (thol take them to be of the fame 
fpecies) fome of them being clear, and curioufly ftriated 
from the point to the thick end, others only having a fore 
part clear, and the Bottle dark, as is ftiew'd at a and but 
I cannot by any Glafs find the Organs by v/hich they move 
Thefe I have mentioned are the moft remarkable for their 
fize and motions, there are great variety of others which 
I pretend nut to defcribe and cannot draw, your own 
Waters are doubtlefs as fertile in thefe produdions as ours, 
and your own view of them will be infinitely more fatis- 
fadory than any thing I can write. 
I have preferved fuch of the Objeds meniioned, as are 
capable of it, with many ethers to Oiew you when I come 
to AJion^ (which I hope q iickly to do) and particularly 
fome of thofe Mites with fpicated Briftles formerly menti- 
oned, oi which I have fince found feveral* * 
i had forgot to tell you that I found a curious Me- 
charifm in a fmall diving InjW which Inhabits ftanding 
Waters. Tis like a fmall fly, with an Head like an Houle 
Cricket, but in the place of Wings it has :^ paddles on the 
Shoufders, and on the end of the hinder Legs, (vviiich are 
longer than the other 4J infteadot Feet and Claws are per* 
fed Oars. I have alfo taken notice in, 2 or 3 forts of Flies, 
that behind the Eyes, on the cop of the Head, are pliced 
three Protuberances (in Equilateral Triangle with the point 
foremoft) with a black fhining Globe in each, like a Bali 
in a Socket, and arc fo difpofed as it made to look" diredly 
backwards. They are perfedly fmooth,and without thofe 
Hemifpherical divifions, vifible in the '^Cornea of the Eyes 
of the Fly and Beetle kind, but appear more like thofe of a 
Spider. I have preferved a very fair one of thefe to fhew 
, Having 
