bilobed scrotum of Muscat goat, ibid.

Clark, H. J., on fission and gemmation, ii. [359].

Clarke, R. T., intercrossing of strawberries, i. 352.

Clarke, T., hybridisation of stocks, i. 399, ii. [93].

Clarkson, Mr., prize-cultivation of the gooseberry, i. 355.

Classification, explained by the theory of natural selection, i. 11.

Climate, effect of, upon breeds of dogs, i. 37;

on horses, i. 52, 53;

on cattle, i. 91, 92;

on the fleece of sheep, i. 98, 99;