10 SYSTEMATIC INDEX. 



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221. Ardea cinerea. Grey Heron, 128 



222. Ardea purpurea. Purple Heron, .... 129 



GENUS CXVI. ERODIUS. EGRET, 130 



223. Erodius Victoriae. Queen Victoria's Egret, . . 131 



224. Erodius albus. European White Egret, . . . 134 



225. Erodius Garzetta. Curl-plumed White Egret, . . 135 



226. Erodius russatus. Buff-backed Egret, ... 135 



GENUS CXVII. CICONIA. STORK, 136 



227. Ciconia alba. White Stork, 137 



228. Ciconia nigra. Black Stork, 137 



FAMILY XL. IBIDIN^E. IBIDINE BIRDS, OR IBISES. 138 



GENUS CXVIII. IBIS. IBIS, 139 



229. Ibis Falcinellus. Glossy Ibis, 140 



GENUS CXIX. PLATALEA. SPOONBILL, .... 141 



230. Platalea Leucorodia. White Spoonbill, . . . 142 



ORDER XVII. CRIBRATRICES. SIFTERS, 143 



FAMILY XLI. ANSERINE. ANSERINE BIRDS, OR 



GEESE, ..... 144 



GENUS CXX. ANSER. GOOSE, 146 



231. Anser palustris. Thick-billed Grey Goose, . . 147 



232. Anser segetum. Narrow-billed Grey Goose, . . 147 



233. Anser brachyrhynchus. Short-billed Grey Goose, . 148 



234. Anser albifrons. White-fronted Goose, . . . 149 



GENUS CXXI. BERNICLA. BERNACLE-GOOSE, . . 149 



235. Bernicla leucopsis. White-faced Bernacle-Goose, . 150 



236. Bernicla melanopsis. Black-faced Bernacle-Goose, . 151 



237. Bernicla ruficollis. Red-necked Bernicle Goose, . 152 



GENUS CXXII. CHENALOPEX. Fox-GoosE, . . . 152 



238. Chenalopex JEgyptiacus. Egyptian Fox-Goose, . 153 

 GENUS CXXIII. CYGNUS. SWAN, ...... 154 



239. Cygnus immutabilis. Changeless Swan, . . . 156 



240. Cygnus musicus. Whooping Swan, .... 156 



241. Cygnus americanus. American Swan, . . . 157 



242. Cygnus Bewickii. Bewick's Swan, .... 159 



FAMILY XLII. ANATIN^E. ANATINE BIRDS, OR 



DUCKS, 160 



GENUS CXXIV. TADORNA. SHIELDUCK, . . . .161 



243. Tadorna Vulpanser. Burrow Shielduck, . . . 162 



244. Tadorna Casarca. Ruddy Shielduck, . . . 163 

 GENUS CXXV. ANAS. DUCK, 164 



245. Anas Boschas. Mallard Duck, 165 



GENUS CXXVI. QUERQUEDULA. TEAL, .... 166 



246. Querquedula Crecca. European Teal, . . . 167 



247. Querquedula Circia. Garganey Teal, . . . 168 



