Gymnorhi´nal, a. Having unfeathered nostrils.

H.

Hab´itat, n. Locality or region frequented by a species; its geographical distribution.

Hab´itus, n. Habitude; mode of life.

Hack´le, n. Long cervical feather of the domestic cock.

Hæ´mal Arch, n. The lower ring of a (ideally or actually) complete vertebra, enclosing a section of the principal vascular and visceral systems, as the neural arch does a section of the principal nervous system. In birds the hæmal arch is complete only in the thoracic region.

Hæ´mal Spine, n. An ideal transverse section of the sternum corresponding to any one pair of ribs, completing the hæmal arch inferiorly.

Hæmapoph´ysis, n. Segment, actual or potential, of the hæmal arch between the pleurapophysis and hæmal spine. In birds it actually exists in the thoracic region, as the sternal rib, movably articulated with the sternum and the vertebral rib, which latter is the pleurapophysis.

Hæmatit´ic, a. Of a bloody-red color.

Hæmatother´ma, n. Warm-blooded animals collectively; the antithesis is hæmatocrya.