THE 
PORCUPINE DIODON. 
Generic Character. 
yaws con filling of undivided bony procefies. 
Body covered on all fides with fharp moveable 
fpines. 
Specific Character , &c. 
DIODON of an almoll fpherical fhape, with the 
fpines triangular at their bafe. 
THE PRICKLY GLOBE-FISH. 
« 
THE PORCUPINE FISH. 
THE SEA PORCUPINE. 
That all land animals " are in their kind, in the 
” fea,” is a popular opinion, commemorated, and 
with unneceffary prolixity oppofed and confuted by 
the learned Sir Thomas Brown, in his well-known 
work the Pfeudodoxia Epidemica, or Vulgar Errors. 
This idea feems to have arifen from a general refem- 
blance which fometimes takes place between the ex¬ 
ternal coating of feveral marine animals, and that of 
fome 
