hyracIdæ

pl. [Mod. Lat. hyrax, gen it. hyrac ( is ); Lat. fem. pl. adj. suff. -idœ.] Zool .: The typical and only family of the order Hyracoidea (q. v.). hy-ra-coi-de-a, s. pl. [Mod. Lat. hyrax, gen it. hyrac (is); Gr. eidos =form.] Zool .: An order of mammals, one of three, having a zonary deciduate placenta, the others being Carnivora and Proboscidea. Incisors, canines 8-8, premolars molars. The upper incisors have persistent pulps, and are long and grooved, as in rodents; the lower are straight, and grooved longitudinally. The molars resemble those of the rhinoceros. The forefeet have four toes, the hind have three. The inner nail of the hind foot is singularly curved. There are no clavicles. The stomach is simple. The intestine has two acce ory cæca in addition to the ordinary one. Only known genus, Hyrax, which Linnæus placed under Glires (Rodent i a), and Cuvier under Pachyderm at a. None are known fo il.