42 Prof. Owen on Life and Species. 
bile, and ‘biliosity’ OF the ‘hepatic sensation’ guided the — 
gland to their selection, 
Such figurative anata I need not say, gre absolutely — 
nothing of the nature of bilification. One’s surprise is that 7 
‘tropes’ and ‘personified acts’ should not have died out, as — 
explanatory devices, with the ‘archeus faber,’ the ‘ nisus fore 
mativus,’ and other self-deceiving, world- becuiling simulac 
of science, with the last century ; and that a se eascitatitil : 
should have had any success in the present. It is of interest, 
mainly, as illustrating the ‘alternation of generations,’ 
What, then, are the facts on which any reasonable or intelli- 7 
gible conception may be formed of the mode of operation of | 
Se eee TS eae 
= 614 
In ‘dation to actual horses such specimens figure as ‘mon-— 
stra per excess but, in relation to miocene horses, they 
‘monstra per defectum.’ The mother of a ‘monstrous’ tridac- _ 
tyle colt might repeat the anomaly and bring forth a tridactyle - 
‘filly’; just as, at San Salvador, the parents of a family of six — 
had two of the series born with defective brain and of dwarf _ 
size: they were ‘male’ and ‘female ” and these strange little AY 
idiots are exhibited as ‘ Aztecs.’ The pairing of the horses 
cocxxvm”’, vol. i, p. 268, and passim. 
oe + “Bxemploram ot Poet cer: um Libri novem, &c. (De rebus mirificis.)’ 
- coorv’! 
Two auch. examples are described in Lt, vo L ii, and one in coov’’, p. 224, in 
which the left fore-foot had three subequal hoofs, and the right fore-foot two hoofs. 
But the (pissenee of an instructive -_ md rightly disce discerned relation may be traves- 
> e 
