524 INDEX. 
c ‘ 
Cerebellum, defectively developed in cretinism, 102. 
Cerebrum, prematurely and largely developed in cretin- 
ism, 102. ‘ 
Compressible bodies, general method of estimating the 
strength of, 237. 
triangle, general expression for the strength 
of the frustrum of a, 246. 
joists, solid and hollow cylinders, &c. prac- 
tical examples of the strength of, 277, et seq. 
triangular beam, a part may be cut off from 
the centre of a, and the remainder be stronger than the 
whole, 287. 
Cree Indians, goitre noticed among, 93. 
Cretinism said tobe hereditary, or propagated from goitrous 
parents, 91—noticed in Derbyshire, 91—the accidental 
conjunction of an endemic idiotism and goitre, 94, 
Cuckoo, natural history of, 141, e¢ seq. 
D 
Daron, John, F. R. S., &c. on oil, and the gases ob- 
tained from it by heat, 64. 
, observations in meteorology, particularly 
on the dew-point at different elevations, 104. 
, on the saline impregnation of the rain 
which fell during a storm, 324,.—appendix to ditto, 
363. 
Darwin, Dr. his erroneous opinions respecting the cuckoo. 
464, 465, 468. 
, on the nature and properties of indigo, 427. 
‘ 
See SS ee 
Oe 
