воок VI.
A furvey of Quadrupeds.
I. Of their prone posture.
11. Of the heads of quadrupeds:
III. Of the necks of quadrupeds.
IV. Of the ftomachs of quadrupeds
V. Of the hearts of quadrupeds.
VI. Of the difference between man and quad-
rupeds in the nervous kind.
A furvey of Birds.
I. Of the motion of birds, and the parts
miniftering thereto.
Of the wings of birds.
Of the tails of birds.
Of the legs and feet of birds.
II. Of the head, ftomach, and other parts
of birds.
III. Of the migration of birds.
IV. Of the incubation of birds.
V. The conclufion.
I. Of infects in general;
II. Of the fhape and structure of infects.
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