Watson's paper (1940), with certain modifications made necessary by Gregory (1950), provides the paleontological evidence so far available on the origin of frogs. [Please select]
0
There is little paleontological evidence illustrating evolution of the cottonmouth or for that matter of crotalids in general. [Please select]
0
Hibbard told me of his observations on the colony of kites since 1936 when his paleontological field work in that area was begun. [Please select]
0
In the absence of paleontological data (_Bombycilla_ alone is reported, in essentially its modern form, from the late Pleistocene--Wetmore, 1940a), the place and time of origin cannot certainly be determined. [Please select]
Do you have a better example in your mind? Please submit your sentence!