GLOSSARY. 



67J> 



Procekes 

 Pkoceki 



ES, j n. 



Protkactii.e, 

 Pkotbusile, 



A name given by Illiger 

 to tlie Struthiones. 

 'a. Capable of being 

 tlirust forwaril or 

 elongated, as the 

 tongue of the Wood- 

 pecker or a Hum- 

 uiingbird. 



PsiLOP.EDES, n. A more or less artificial 

 group of birds, born weak and help- 

 less, and further distinguished by a 

 scant growth of down affixed to the 

 undeveloped pteryla', or future feath- 

 ers, to which it is teni])orarily at- 

 tached. The Passeres and most of the 

 Picarm belong to this group. (Syn- 

 onymous with (jLimnopades.) 



PsiLOP^EDic, a. Pertaining to, or hav- 

 ing the nature of, the P.silopa'des. 



PsiTTACi, n, A very natm-al group of 

 birds, comprising the Parrot tribe 

 only. 



Pteryla, n. An area or tract of the 

 skin on which feathers grow. A 

 "feather tract." 



Pterylograpiiy, n. A description of 

 the plumage, with reference to the 

 distribution of the feather tracts or 

 pterylce. 



Pti:ry'losis, n. The plumage, consid- 

 ered with reference to its distribution 

 on the skin. 



Ptii.op.edes, n. A more or less artificial 

 group of birds, instituted by Professor 

 Sundevall, including those which at 

 birth are covered with down. (Syn- 

 onymous with BiLsi/pa'des.) 



Ptilop-EDIC, a. Pertaining to, or having 

 the character of Ptilopcedes. Clothed 

 at birth with down, like the chick of 

 the domestic fowl, a duckling, or a 

 gosling. 



Ptii.osis, n. Plumage. 



PuELtJS, n. A chick. Applied to the 

 downy young of Ptilapcvdic or praco- 

 cial birds. 



Punctate, a. Dotted. 



Pupil, ?i. The central black (or dark 

 blue) spot or disk of the eye, enclosed 

 within the iris. 



Pygopodes, n. A group of swimming 

 birds, containing the families Podi- 

 cipididce, Colymhidm and Alcidce, dis- 

 tinguished by the extreme posterior 

 position of the legs. 



Pygopodous, a. Pertaining to or hav- 

 ing the character of the Pygopodes. 



Pykiform, a. Pear shaped. 



Q. 



Quill, n. As generally used, one of the 

 primary remiges; and perhaps best so 

 restricted. 



Quinary, a. Consisting of or arranged 

 by lives. The quinary system of classi- 

 fication, formerly much in vogue, i)re- 

 sumed five types for each natural 

 group; that is, five species to a genus, 

 five genera to a family, etc. 



Quincunx, n. A set of five, arranged 

 thus: X 



E. 



Race, n. A nascent species or " 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 distin- 

 guished as geographical and local, 

 according as to whether they occupy 

 extensive or limited areas of country. 

 Geographical races are usually cor- 

 relative with definite geographical 

 areas, being, in fact, the expression of 

 geographical variation. 



Radial, a. Pertaining to the radius. 



Radii, n. The barbs of a perfect 

 feather. 



Radii Accessorii, n. The barbs of a 

 supplementary feather or af tershaft. 



Radioli, n. The barbs of the radii or 

 barbules. 



Radioli Accessorii, n. The barbules 

 of a supplementary plume or after- 

 shaft. 



Radius, n. The outer bone of forearm. 



Ramus, 7i. A branch or fork, as the 

 ramus of the lower mandible; that is, 

 mandibular ram us. 



Raptohes, n. An artificial group of 

 birds, including the so-called "Birds, 

 of Prey." 



Raptorial, a. Pertaining to the birds 

 of prey, or having the characteristics 

 of the Raptures. 



Rasores, n. The name of the Qallin- 

 aeece in some of the older classifica- 

 tions. 



Rasorial, a. Pertaining to the Rase/res 

 or scratching birds. 



RATIT.E, n. A group of birds, more or 

 less artificial, including those with a 

 flat or uukeeled sternum, and com- 

 prising the orders Struthiones and 

 Apteryges, all other existing birds be- 

 ing included in the Carinato), which 

 have a keeled sternum. 



