GLOSSAKY OF TECHNICAL TERMS. 71 
Clay-color (L. lutes'cens, lute'olus, luto'sus), n. A dull light brownish 
yellow color, nearly intermediate between yellow-ochre and Isabella- 
color. (Yellow ochre -\- raw umber -f white.) (Plate V. fig. 8.) 
Clove Brown, n. A dark brown color, like dried cloves. (Black + 
cadmium-orange). (Plate III. fig. 2.) 
Clutch, n. A nest-complement or "set" of eggs. 
Co'balt Blue (L. cobalti'nus), n. A very fine pure light blue color, less 
intense and more azure than ultramarine. (Plate IX. fig. 12.) 
Coccy'ges (L.) n. The systematic name of a natural group of zygodac- 
tyle birds, including the Cuckoos ( Cuculidoz), Plantain-eaters, Turacous 
(Musophagidce), Trogons {Trogonidai), etc. 
Coccygomorph'ae (L). n. The Huxleyan name (meaning "Cuckoo- 
formed") of the Coccyges. 
Collar (L. tor'ques), n. A ring of color encircling the neck. 
Collared (L. torqua'tus ; colla'ris), a. Marked with a neck-ring of a 
different color from surrounding parts. 
ColTum (L.), n. The neck. 
Colora'tion, n. Pattern of coloring, or the colors of the plumage col- 
lectively. 
Col'ored (L. colora'tus) a. In Ornithology, different from white. Thus, 
the colored phase of a dichromatic species is that in which the plumage 
is other than white. 
Comb, n. An erect, fleshy, longitudinal caruncle on the top of the head, 
as in the domestic fowl ( Gallus ferrugineus, var.) and the adult male 
Condor {Sarcorhamphus grijphus). 
Commis'sural, a. Pertaining to the commissure. 
Com'missure (L. commis' sura) , n. The outlines of the closed mouth, or 
the opposed edges of the mandible and maxilla. 
Compress'ed, a. Flattened sideways, or higher than broad. A com- 
pressed tail has the two halves folded together with the two edges 
separated below, the median feathers forming the ridge, as in the 
domestic fowl. (The opposite form is seen in the boat-shaped tail of 
the American Grackles, Quiscalus.) 
Con'cave (L. conca'vus), a. Hollowed on one side, as the inside of a 
curved line, the under side of an arch, or the hollow of a spoon. 
Concen'tric (L. eoncen'tricus) , a. Having a common centre, as a series 
of rings one within another. (Plate XV. fig. 19.) 
Con'colored (L. conco'lor), a. Of a uniform color. (Same as unicolored.) 
Con'fluent (L. confluen'tus), a. Run together. 
Con'gener, n. A species belonging to the same genus with another. 
Congeneric, a. Belonging to the same genus with another. 
Coniros'tral, a. Having a conical bill, like that of a Finch or Sparrow ; 
pertaining to the so-called Conirostres. 
Coniros'tres (L.),n. An arbitrary group of birds, in classifications, of 
which the Sparrow tribe (Fringillidai) are typical. 
Contin'uous, a. (As applied to markings.) Without interruption. 
