( 178 ) 
pag. 64^ feq . I find an Anatomical Defcripti- 
on of a Beaver , with a Plate, in which are repre- 
fented feme of the moft remarkable Parts, as the 
Brain, the Fore-foot, the Intejtinum Cacum^ni the 
Parts of Generation of a Male Beaver, with the Re- 
ceptacles of the Caftor delineated in their natural 
Situation, pag. 69. Our Author fays, that the real 
Tefticles refemble thofe of Dogs , that they lie clofe 
to the Os Pubis , on the outward Part of the Sides, 
and that they are not at all difcernible thro’ the Skin. 
The Penis had a fharp-pointed Bone, in its Extremi- 
ty, like that of a Dog 5 but inftead of lying with 
its Point towards the Navel of the Creature, it lay 
with it towards the Tail, and was fo deep buried in 
the Fijfure , which ferves in common for the Anus , 
for the Penis , and the Excretory Duffs of the Ca~ 
Jtor , that they could not diftinguifh what Sex the 
Beaver was of, hill the Skin was taken off. 
Our Author fays, that in opening the Inte- 
Jlines they found in them eight large Worms refem- 
bling common Earth-Worms, three of which were 
feven or eight Inches long, the reft only four. 
In the Heart were the plain Footfteps of the Fora- 
men Ovale - 
A little below the Cor on ary -Vein, he mentions a 
Valve y which he fays is called Valvula nobilis , 
and clofes the whole Vena Cava> but opens fo that 
the Blood can flow readily from the Liver towards 
the Heart , and not from the Heart back again to- * 
wards the Liver. 
This Author fays, that the Brain was but one 
Inch two thirds long, and one and* a half broad, which 
was very final! in Proportion to the Size of the 
Crea* 
