xviii SYSTEMATIC 
CXXI. Branta, Scop 
1. leucopsis (Bechst.)" 
2. bernicla (L.) 
2. ruficollis (Pall.). 
SUB-FAMILY CYGNINAi. ... 
CXXII. Cygntjs, Bechst. 
1. musicus, Bechst. 
2. bewicki, Yarr 
3. olor (Gm.) 
SUB-FAMILY ANATINAi. ... 
CXXIII. TadornA, Flem. 
I. tadorna (L.) 
CXXIV. Casarca, Bp 
I. casarca (L.) 
CXXV. Spatula, Bole 
I. clypeata (L.) 
CXXVI. Anas, L 
I. boscas (L.) 
CXXVII. Chaulelasmus, Gray. 
I. streperus (L.) 
CXXVIII. Mareca, Steph. 
1. penelope (L.). 
2. americana (J. F. Gmelin). 
CXXIX. Nettion, Kaup. 
1. crecca (L.) 
2. carolinense(Gm.). 
CXXX. Dafila, Steph 
I, acuta (L.). 
CXXXI. Querquedula, Steph. 
1. querquedula (L.). 
2. discors (L.). 
index. 
r.VGE 
236 
236 
239 
243 
246 
247 I 
252 1 
254 
257 
257 
258 
260 
262 
26s 
265 ! 
269 j 
269 I 
272 1 
273 j 
276 [ 
276 
281 
282 
282 
28s 
286 
287 
290 j 
291 ; 
294 ’ 
