There was always the chance, unlikely as it might be, that some one of the bipedal natives had found his machine.
He might read a lesson to many a two-legged prig, were the bipedal nincompoop capable of learning it.
In the bipedal walk or run a step is one-half of a stride or full round movement.
Their bipedal dinosaurlike figures seemed to be cast out of one mold.
Bipedal, unarmored, with a single row of serrated cutting teeth, three-toed hind feet.
In the close-ups, he could see the bipedal beasts wielding cutting instruments.
The anterior limbs are much shorter than the posterior, pointing to a bipedal method of progression.
Here are reptiles with bat-like wings, and others with bird-like pelves and legs adapted for bipedal locomotion.
Following the turning over of the stubble under water, comes the clod smashing and harrowing by quadrupedal or bipedal labour.
Let us take, for instance, the elevation of man's ancestors from the quadrupedal to the bipedal position.