GLOSSAKY OF TECHNICAL TERMS. 
77 
Ep'i- (in composition). Upon; as epidermis, upon the skin, that is, the 
surface skin. 
Epider'mis (L.), n. The cuticle, or scarf-skin. 
Epider'mic, a. Pertaining to the epidermis. 
Epignath'ous (L. epigna'thus). Hook-billed, as a Hawk or Parrot, 
Epithe'ma, n. A horny excrescence upon the bill. 
Erec'tile, a. Capable of being raised or erected, as an erectile crest. 
Erythris'mal, a. The state of being red or rufous, instead of the usual 
or " normal " color. 
E'rythrism (L. erythris'mus), n. A particular state of plumage caused 
by excess of red or rufous pigment; it is one of the dichromatic states 
of many birds, as certain species of Owls (Strix stridula, Scops asio, etc.), 
also some species of Accipiter and Micrastur, among Hawks. 
E'tiolated (L. cethiola'tus), a. Whitened; bleached. 
Etyp'ical, a. Tending away from normal or typical character. 
Eurhipidu'ra (L.), n. The name of one of the primary groups of birds, 
comprising all existing species. 
EVen (L. trunca'tus), a. An even or " square" tail has, when closed, all 
the feathers terminating on the same transverse line ; in other words, 
it is truncated at the tip. When spread, the tips of the feathers 
describe a semicircle, while an emarginate or slightly forked tail 
becomes even or truncated when spread. 
Ex- (in composition). Out; out of; away from. As, exterior, on the 
outside. 
Excres'cence, n. Any outgrowth, whether cutaneous, corneous, or 
fleshy. 
Exot'ic (L. exot'icus), a. Foreign. 
Exten'sile (L. exten'silis), a. Susceptible of being extended or lengthened. 
Eye'brow (L. supercil'ium), n. The middle portion of the superciliary- 
region, or that part immediately above the eye. 
Ey re, ) ^ ^ ^ ^ r( j 0 £ p re y, especially an Eagle. 
h>y ne, ) 
F. 
Fa'cial (L. facialis), a. Pertaining to the face. 
Fal'cate (L. falca'tus), \ 0 ... ... 
Fal'ciform (L./a/«>r'm S ), f a ' Sha P ed llke a sickle or sc ? the ' 
Farconine (L. falconi'nus), a. Falcon-like. 
Fam'ily (L. fami'lia), n. A systematic group in scientific classification, 
embracing a greater or less number of genera which agree in certain 
characters not shared by other birds of the same Order. In rank, 
a Family stands between Order and Genus, the former being com- 
posed of a greater or less number of nearly related families. In 
