74 
MEMOIR OF CAMPER, 
would never liave fulfilled this double object. That 
the brain might be packed aright, and to relieve the 
head of useless weight, we at the same time see that 
the tables of the cranium are parted asunder by a 
great number of bony cells, to the distance of many 
inches. These communicate with the throat, and 
are filled with air instead of marrow, and are thus 
analogous to the heads of birds. 
His remarks on the brain itself, in which he con- 
tends, in opposition to certain great zoologists, that 
its size is in keeping with the bulk of the animal, 
and points out the relative position of the cerebrum 
and cerebellum ; on the eye, describing the third 
eyelid, with its peculiar muscles ; on the proboscis, 
describing its minute structure, its muscles, its uses, 
in the young, &c. ; on Galen’s statement, that there 
is a bone in tbe elephant’s heart, one of which he 
himself possessed ; also on the much disputed point 
whether it has a gall-bladder or not ; his remarks, we 
say, on these, and many other analogous points, are 
at once most minnte and satisfactory. 
Such was the nature of Camper’s occupations till 
the beginning of 1776, when he sustained a heavy 
stroke of affliction in the death of his wife, in whom 
his affections had been centred during a union of 
nearly twenty years; and whose domestic virtues 
and exemplary attention to her children, had secured 
her the esteem and respect of all who knew her. 
As the most efflcacious mode of soothing his grief, 
ho determined to vary the scene, by making an ex- 
