The Descent of Man

kind with man in the decennial table in the Registrar's
Report for 1866.
DOGS.
During a period of twelve years, from 1857 to
1868, the births of a large number of greyhounds,
throughout England, were sent to the
'Field' newspaper; and I am again indebted to
Mr. Tegetmeier for carefully tabulating the results.
The recorded births were 6878, consisting
of 3605 males and 3273 females, that is, in the
proportion of 110.1 males to 100 females. The
greatest fluctuations occurred in 1864, when the
proportion was as 95.3 males, and in 1867, as
116.3 males to 100 females. The above average
proportion of 110.1 to 100 is probably nearly
correct in the case of the greyhound, but whether
it would hold with other domesticated
breeds is in some degree doubtful. Mr. Cupples
has enquired from several great breeders of
dogs, and finds that all without exception be-