1 5 Campbell, Dtchotomoi<s Key. 



Abdomen, throat, and eyebrow not white. Porzana. 175 



175. Chest dark grey ; wings ohve . . . . . . . . 176 



Chest hght grey ; wings brown P. pal list ris (Little Crake). 



176. Flecked with white on upper and under surfaces. 



P. fluminea (Spotted Crake). 

 White only under throat, wings, and tail. 



P. tabiiensis (Spotless Crake). 



177. Bill and legs long ; bill curved, spoon-shaped, or sharp-pointed ; 



total length over 18 inches (including two Bitterns, No. 195, 

 10 and 15 inches long ; birds with pointed bills and orna- 

 mental crest and neck feathers) . . . . . . 178 



Characters not as specified . . . . . . . . . . 200 



178. Bill much curved or spoon-shaped . . . . . . . . 179 



Bill sharp-pointed . . . . . . . . . . . . 183 



179. Bill spoon-shaped ; plumage pure white. Platalea. 180 

 Bill curved ; plumage not pure white. Ibises. 181 



180. Bill and legs black. P. regia (Black-billed Spoonbill). 

 Bill and legs yellow. P. fiaiipes (Yellow-billed Spoonbill). 



181. General colour white ; wings partly black. 



This inohicca (White Ibis). 

 General colour black and white or rufous . . . . . . 182 



182. Under surface pure white. 



Carphibis spinicoUis (Straw-necked Ibis). 

 Under surface mostly rufous. Plegadis jalcinelhis (Glossy Ibis). 



183. Lores feathered ; no plumes on lower neck ; length over 40 inches. 



(Hind toe raised) . . . . . . . . . . 184 



Lores and space round eye naked ; ornamental crest and neck 



plumes. Egrets, Herons, and Bitterns. 185 



184. Colour grey ; bare skin round ears ; length 42 inches. 



Antigone australasiana (Crane or Native Companion). 

 Colour white and glossy black ; legs red ; length 48 inches. 



Xenorhynchns asiaticiis (Black-necked Stork). 



185. Colour white . . . . . . . . . . . . 186 



Colour not white . . . . . . . . . . . . 188 



186. Length about 22 inches : wing 10.7 inches. 



Garzetta iiigripes (Little Egret). 

 Length 25 or 30 inches . . . . . . . . . . 187 



187. Length about 25 inches ; wing 11 inches. 



Mesophoyx pliimifera (Plumed Egret). 

 Length about 30 inches ; wing 15 inches. 



Herodias timorensis (White Egret). 



188. Plumage slate colour . . . . . . . . . . 189 



Plumage grey and white, black and white, or mottled . . . . 192 



189. Length about 50 inches ; bill 6.5 inches. 



Ardea sinnatrana (Great-billed Heron). 

 Length 23 to 36 inches . . . . . . . . . . 190 



190. Length about 36 inches ; bill yellow. Ardea cincrea (Grey Heron). 

 Length 23 or 26 inches . . . . . . . . . . 191 



191. Length about 23 inches; pure white (or buff) streak down each 



side of throat. (This species is often white in plumage.) 



Demiegretta sacra (Reef Heron). 



