XX SYSTEMATIC ARRANGEMENT OF THE GENERA OF BIRDS 



ORDER PTEROCLETES 



FAMILY PTEROCLID.E 



94. Syrrhaptes (Sand-grouse). Bill small, gradually decurved ; nostrils 

 basal, hidden ; wings long, pointed, first primary largest ; tail 

 of sixteen feathers, cuneate, central pair long; tarsi short, strong; 

 feathered to toes ; three toes, all in front ; hallux obsolete ; soles 

 rugose; claws broad and obtuse. Page 211 



ORDER GALLING 



Bill short and stout ; culmen arched, and overhanging the mandible. 



FAMILY TETRAONID^ 



95. Tetrad (Black Grouse, CapercaiUie). Bill strong ; eyebrows naked, 



adorned with scarlet papillae ; tarsi feathered, without spurs ; front 

 toes naked, with pectinated margins ; hind toe larger than the 

 nail. Page 212 



96. Lag6pus (Red Grouse, Ptarmigan). Front toes feathered, nearly 



smooth at the margins ; hind toe shorter than the nail ; in other 

 respects like the last. Page 215 



FAMILY PHASIANID^ 



Nostrils never hidden by feathers ; toes never pectinated. 



97. Phasianus (Pheasant). Cheeks naked, adorned with scarlet papillae; 



tail very long, of eighteen feathers. Page 219 



98. Perdix (Partridge). Bill strong ; orbits naked ; tarsus naked, male 



Avith a knob on the tarsus behind ; tail of sixteen feathers, short, 

 bent down. Page 222 



99. Caccabis (Red-Icgged Partridge). Tail of fourteen feathers ; tarsi 



armed with blunt spurs in male. Page 225 



[oo. CoTURNix (Quail). Bill slender ; orbits feathered ; wings with the 

 first primary longest ; tail very short ; almost concealed by the 

 tail-coverts. Page 226 



ORDER FULICARI^ 



(RAILS AND COOTS) 

 FAMILY RALLID.E 



(Rails) 



loi. Crex (Corn-crake). Bill shorter than the head, thick at the base, 

 compressed, pointed; front toes entirely divided, not margined; 

 second and third primaries longest. Tail pointed, rectrices narrow. 



Page 228 



102. Porzana (Spotted and Little Crakes). Bill shorter than head ; wings 



shorter than in Crex ; second quill longest. ; secondaries shorter 

 than primaries by length of hind toe and claw. Page 229 



103. Rallus (Water-rail). Bill longer than head ; wings moderate, third 



and fourth quills longest. Page 230 



