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APPENDIX. 
ANIMAL POISONS, 
AS the fubje£t of poifons is one of the moft interefting 
branches of natural hiftory, I am induced to add to the 
preceding pages a few fads which came under my own obfer- 
vation while I refided in Africa and the Eaft Indies, where it is 
well known that both the animal and vegetable kingdoms 
abound with a variety of productions unfriendly to the human 
frame. 
The vegetable poifons of Africa have been already noticed ; 
but I have been lefs copious in the remarks on the poifonous 
fnakes of that country. To thefe, therefore, I (hall firft and 
principally call the attention of the reader ; and being but little 
converfant in zoology, I fhall, in my defcription, retain the" 
names by which they are diftinguiflied in their native regions. 
The Horned Snake, is the moft poifonous of thefe reptiles : 
it is of a greyifh colour, and about eighteen inches long : its 
head, which is very flat, is large in proportion to the (ize of 
the body, with fmall fcales, which the inhabitants call horns, 
lidng over its eyes. 
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