134 INTRODUCTION. 
feme Order under particular Heads^ with Notice of 
iheir decrees of Rarity. If what is offered Jhall 
afford any Information worthy the attention of the 
Lovers of Natural Hiftcry^ the Author will think 
hlmfelf fufficiently rewarded for this Attempt of ex- 
hibiting the Out-lines of a Work which merits the 
Abilities of a Perfon of more Judgment and greater 
Leifure, to enlarge and perfeU^ than he pretends to be 
] offejjed of. He cannot conclude however, without 
obferving, that from the contemplation of fo great a 
Variety of extraneous Fcfftls difeovered in thefe Cliffs, 
which were evidently the produce of very different 
Climates, he thinks himfelf rationally induced to believe, 
that nothing fhort of an univerfcl Deluge could he a 
Caufe adequate to fuch an Effelt. 
E. J. 
