32 
MEMOIR OF 
3. Of instinct — Its various kinds endeavoured 
to be classed — Its principal objects and uses — 
Human reason a necessary result of the superior 
number of instincts possessed by man. 
4. Of the distribution of animals into classes, 
orders, genera, and species. — The arrangement of 
different authors from Aristotle to the present 
time — Their principles of classification examined 
— The technical system — The philosophical sys- 
tem — Reasons why the Linnaean system of 
arrangement is observed in this work, in the 
animal and vegetable kingdoms. 
5. History of man — Varieties of the human 
species, in figure, colour, genius, dispositions, 
manners — Probable causes of this difference. 
6. History of quadrupeds. — Description — 
manners, food, genius and moral character, habi- 
tations, address in seizing their prey and avoiding 
their enemies — Peculiar instincts, &c. 
Engravings to be given of each known species ; 
and the synonymes of authors to be added, with 
references to the works of natural historians. 
7. History of birds, conducted in the same 
manner as that of quadrupeds, with the following 
exceptions : As the species are exceedingly nume- 
rous, and as many of them are so similar that 
they can only be distinguished by the aid of 
illuminated plates, to give engravings of each 
species could answer verj' little purpose ; besides 
that, it would augment the expense to such a 
degree as totally to frustrate the intention of this 
work. Several species of each genus only will 
