The first family is that of the true or American opossums- Didelphyidae, in which there are five pairs of upper incisors, while the feet are of the presumed primitive arboreal type, the hind foot having the four outer toes subequal and separate, with the first opposable to them all.
With the bandicoots, or Peramelidae, we come to a family of polyprotodonts which resemble the diprotodonts in the peculiarly specialized structure of their hind limbs; an adaptation which we must apparently regard as having been independently acquired in the two groups.
He then retired into a neighbouring desert, where he lived upon herbs and upon the milk of a hind which came to him at stated hours.
Its furry tail stood up firm and round as a plume, its bandy legs served it so well that it would often gracefully lift a hind leg and run very easily and quickly on three legs, as if disdaining to use all four.
An instant later he suddenly backed toward the crowd of Mangaboos and kicked out his hind legs as hard as he could.
On the hind foot the nails are long, curved and pointed, and the web extends only to their base.
New Persian sindhu (Indus) hindu hindu hind sarva (all) haurva haruva har sama (whole) hama hama ham santi (sunt) henti hantiy hend.
Although loss of flight (correlated with more or less reduction of the wings and the sternal keel, and often compensated by stronger hind limbs) has occurred, and is still taking place in various groups of birds, it is quite impossible that a new Ratite can still come into existence, because the necessary primitive substratum, whence arose the true Ratitae, is no longer available.
In some of them the hind toe, which has already ceased to have any function in the lapwing, is wholly wanting.
The earliest form of a hind or breech sight was fixed, but in the early part of the 19th century Colonel Thomas Blomefield proposed a movable or tangent sight.