INTRODUCTION. i 
Siadtinas they have a calcareous covering or fhell ; 
-fometimes they are covered with fpines, and eee 
times they have no covering. ‘They haye neither 
feet nor fins, They are called Vermes. | 
, The whole Clafs of Birds is divided into Six Orders, 
Phe firft Order is called Accipitres; their beaks are 
| hooked, their legs ftrong, their claws bowed and 
fharp, their bodies sister they live on prey, 
build on high, lay about Mate eggs; they pair; | 
and the female is the moft ftrong and beautiful, 
Second Order is called Pice; their beaks are com- 
prefled and convex on the an their legs rather 
firong, their food various; they pair, build moftly 
in trees, and the male bind feeds. the female whit — 
fhe fits... Cia 
| Third Order i is called daha 3 in many Cae the 
beak filters the water and retains. the food ; ee: 
wideft at the end and covered with a fkin; the ; 
feet are webbed f for fwimming, their a are | 
the moft ufeful of any kind, their netts are gene- 
rally built ¢ on the ground, the mother feldom broods 3 : 
the young, and many of the genera do not pair. 
Fourth Order is called Graile the beak: in general’ 
is long, flender and cylindric ; the legs are formed. | 
for wading, with thighs half bare of feathers; 
fhe tail fhort, their lef: well tafted ; they procure | 
A 5 oe their 
