104 



ORNITHOLOGISTS' COMPENDIUM. 



Qm nary a. Consisting of, or arranged by, fives. The quinary system of 

 classification, formerly much in vogue, presumed five types for each 

 natural group (that is, five species to a genus, five genera to a fam- 

 ny, etc.]. 



Quin'cunx (L.), n. A set of five, arranged thus * . ' 



R. 



Race, n. A nascent species, or a "form," which on account of the 

 existence of intermediate specimens cannot be considered a species 

 no matter how great a degree of differentiation may have been 

 reached. Races are distinguished as "Geographical" and "Local" 

 according as to whether they occupy extensive or limited areas of 

 country Geographical races are usually correlative with definite 

 geographical areas, being, in fact, the expression of geographical 

 variation. ° r 



Ra'dial, a. Pertaining to the radius. 



Ra/d aftetsha e ft SO/rii ^ "' ^ ^ ° f a su PP leme ^ r y feather, or 

 Ra'dii (L.), n. The barbs of a perfect feather. 

 Radioli (L.), n. The barbs of the Radii, or barbules 



Rad or / afttshaft SO/rii ^ "" ^ barbUleS ° f * SU PP lementar 7 V^™> 



Ra'dius (L.), n. The outer bone of the forearm. 



Ra'mus (L ; pi ra'mi), n. A branch or fork, as the ramus of the lower 



mandible (that is, mandibular ramus). (Plate XII fig 5 ) 

 Rapto'res, n. An artificial group of birds, including the so-called Birds of 



Rapto'rial a. Pertaining to the Birds of Prey, or having the character- 

 istics of the Raptores. 



Raso'res (L.), n. The name of the Gallinacem in some of the older 



classifications. 

 Raso'rial, a. Pertaining to the Rasores, or scratching birds 

 Rati'tae (L.), n. A group of birds, more or less artificial, including those 



with a flat or unkeeled sternum, and comprising the orders Strut/nones 



and Apteryges, all other existing birds being included in the Cari- 



nat^e, which have a keeled sternum. 

 Rau'cous (L. rau'cus), a. Hoarse-voiced. 

 Raw Sien'na, n. A bright yellowish brown, like the pigment of the same 



name. (Plate V. fig. 2.) 

 Raw Um'ber, n. A light, rather yellowish brown, similar to the pigment 



of the same name. (Plate III. fig. 14.) 

 Rec'trix : (L.; pi reprices), n. Any one of the tail-feathers. (Used 



chiefly in the plural.) (Plate XI.) 



%i^. 



