

106 



ORNITHOLOGISTS' COMPENDIUM. 



Rudiment'ary, a. Imperfectly developed, as if only begun. 



Rufes'cent (L. rufes'cens), a. Inclining to a rufous color. 



Ruff, n. A collar of elongated or otherwise modified feathers round or on 

 the neck. 



Ru'fous (L. ru'fus), n. A brownish red color, like the pigments called 

 Venetian Red, Light Red, Indian Red, Red Chalk, etc., which rep- 

 resent various shades of rufous. The typical shade is light red. 

 (Plate IV. fig. 7.) 



Ru'ga (L.), n. A ridge or wrinkle. 



Ru'gose (L. rugo'sus), a. Wrinkled. 



Rump (L. urop/gium), n. That portion of the upper surface of the body 

 lying between the interscapulars and upper tail-coverts. (Plate XL) 



Rupi'coline (L. rupi'colus), n. Rock-inhabiting. 



Rus'set (L. russa'tus), n. A bright tawny-brown color, with a tinge of 

 rusty. (Burnt sienna + cadmium orange -f raw umber.) (Plate 

 III. fig. 16.) 



s. 





Saffron Yel'low (L. cro'ceus), n. A peculiar shade of yellow, like that 



produced from the infusion of flowers of the saffron (Circus sativus). 

 (Plate VI. fig. 4.) 

 Sage Green, n. A dull grayish-green color, like leaves of the garden 



sage. (Green oxide of chromium -j- black + white.) (Plate X. 



fig. 15.) 

 Sagittate (L. saqitta'tus), a. Shaped like an arrow-head. (Plate XV. 



fig. 1.) 

 Sali'va (L.), n. Spittle. 



Sal'ivary Glands, n. The organs which secrete the saliva, or spittle. 

 Sal'mon-Buff (L. salmona'ceo-lu'teus), n. (Light red -f- cadmium orange 



-f white.) (Plate IV. fig. 19.) 

 Sarmon-Coror (L. salmona'ceus), n. A color intermediate between flesh- 

 color and orange, like the flesh of the salmon. (Saturn red or orange- 



chrome + white.) (Plate VII. fig. 17.) 

 Saftatory, a. Progressing by leaps; hopping. (Opposite to ambulatory, 



or gradient.) 

 Sanguina'ceous (L. sanguina'ceus ; sanguin'eus), n. or a. Blood-red 



(Same as crimson). (Plate VII. fig. 3.) 

 Sat'urn Red (L. minia'tus), n. A very fine orange-red color; the same 



as red lead. (Red lead or saturn red.) (Plate VII. fig. 16.) 

 Saurop'sida (L.), n. A primary group of vertebrate animals comprising 



birds and reptiles. 

 Sauru'rae (L.), n. The name of an extinct primary group or order of 



birds, including the fossil Archceopteryx. 



