Assertion: combination's number | /r/PartOf | different species of animals
Facets:
value: necessarily
type: MANNER
Source sentences:
text: If, then, these are the only parts of an animal and there are differences between them; namely, in their various sorts of stomachs, bellies, and sensoriums: to which we must add their motive powers; the number of the combinations of all these must necessarily make up the different species of animals.