E S A Y
O N T H E
M I C R O S C O P E ;
C O N T A I N-I N G
A PRACTICAL DESCRIPTION OF THE MOST IMPROVED
M I C R O S C O P E S * :
A GENERAL HISTORY of INSECTS,
THEIR
TRANSFORMATIONS, PECULIAR HABITS, a n d (ECONOMY r
A N A C C O U N T OF T H E
VARIOUS SPECIES AND SINGULAR PROPERTIES OF THE:
H Y D RÆ a n d V O R T I C E L LÆ:
A DESCRIPTION OE
Three Hundred and Seventy-Nine Animalculay
WITH A CONCISE
C A T A L O G U E o f INT ERE S T I NG OBJECTS;
A VIEW OF THE
O R G A N I Z A T I O N of T IM B E R ,
A N D T H E
CONFIGURATION o f SALTS w h e n u n d e r t h e MICROSCOPE.
B y G E O R G E A D A M S ,
M A T H EM A T I C A L IN S T R UM E N T M A K E R to H is MA JE S T Y , and O P T IC IA N
to His R O Y A L H IG H N E S S the PRINC E of WALES.
L 0 N D 0. N :
Printed for the AUTHOR, b y ROBERT HINDMARSH, P rinter to>
H is R o y a l H ighness th e P rince of W a l e s , No. 32, C lerkenwell-
, C lose ; and Sold b y th e A u th o r , a t his Sh^op, T ycho B rahe &
H ead, N o. 6o, F l e e t -St r e e t .
-M.DCC.LXXXVlL