i-V 
Breast. 
Belly. 
Vent. 
Wings. 
Bastard Wing. 
Lesser Coverts. 
Greater 
Coverts. 
Quil-feathers. 
PREFACE. 
( Pectus ) is ridged and very mufcular, defended by a forked bone 
( clavicula ) the merry thought. 
The fhort-winged birds, fuch as Grous, &c. have their breads 
mod flefhy or mufcular j as they require greater powers in flying 
than the long-winged birds, fuch as Gulls, Herons, which are 
fpecifically lighter, and have greater extent of fail. 
( Abdomen ) is covered with a drong fkin, and contains the 
entrails. 
The Vent, or vent-feathers ( Criffum ) which lies between the 
thighs and the tail. The Anus lies hid in thofe feathers. 
LIMBS. 
Wings ( Alae ) adapted for flight in all birds, except the Dodo, 
Ostriches, great Auic, and the Pinguins, whofe wings are too 
fhort for the ufe of flying; but in the Dodo and Ostrich, when 
extended, ferve to accelerate their motion in running ; and in the 
Pinguins perform the office of fins, in fwimming or diving. 
The wings have near their end an appendage covered with four 
or five feathers, called the Bastard Wing (ala nolha) and alula 
fpuria. 
The lefler coverts (tedlrices) are the feathers which lie on the 
bones of the wings. 
The greater coverts are thofe which lie beneath the former, 
and cover the quil-feathers and the fecondaries. 
The Quil-feathers (primores ) fpring from the fird bones (digiti 
and metacarpi ) of the wings, and are ten in number. 
QuiL-feathers are broader on their inner than exterior fides. 
The Secondaries ( fecondari <e) are thofe that rife from the fe- 
cond 
Secondaries. 
