14 EVOLUTIONS OF ORGANIZATION. 
cially nourishing fluids, it must follow that two or 
more tentacles will appear and develop insensibly 
in those circumstances on the points referred to. 
This is, without doubt, what has happened in all the 
races of gasteropods whose wants have given rise 
to the habit of touching bodies with the parts of 
their head.”: Thus he allowed himself to passin the 
most guileless way, like many a subsequent writer, 
from “7e concois” to “ sans doute.” 
Lamarck espoused the doctrine of spontaneous 
generation, as he was bound logically from his 
point of view to do. His contention was that it 
was improbable that under the government of the 
material universe by secondary causes there should 
be a deviation from that system either in the first 
appearance or subsequent evolution of life; and he 
failed, erroneously, as I believe, to see that in the 
phenomena of life any element was present differ- 
ent in kind from the phenomena of dead matter. 
“ Certes,” he says, “the power which has made the 
animals has made them all that they are, and en- 
dowed them with the faculties observed in each, by 
giving an organization fitted to produce them. 
Observation authorizes us to recognize that this 
power is Vature, and that she is the product of the 
will of the Supreme Being, who has made her what 
1 Op. cit. p. 59. 
