188 



jVo. Species. Centre of abundance durimj breedinij season 



213. Cygnus Ainerieanus SiiAiu'LKss. 



*214 Branta Canadensis (L.). Secliuled lakes. 



215. Branta Canadensis (L.), 

 var. HUTCiiiNsii Kich. 



"216. Anas taoschas L. Ponds aud marshy mead. 



cliiofly in the valleys. 

 217. Anas obsctira Gm. 



*2I8. Daflla acuta (L.). WiUi A. hoschas.* 



*219. Nettion Carolinensis (Gm.). 



*220. Querquedula discors (L.). 



*22i. Querquedula 



cyanoptera (Vieill.), 



*222. Spatula clypeata (L.). 



*223. Chaulelasmvis streperus (L ). 



*224:. Mareca Americana (Gm.). 



225. Aix sponsa (L.). 



226. Pulix marila (L.). 



227. Pulix marila (L.). 



var. AFFiNis Forst. 



228. Fulix coUaris (Doxov.). 



220. Aythya Americana (Eyto.n)- 



230. Aythya vallisneria (Wils.). 



231. Bvicephala Americana (Box.). 



232. Bueephala alb3ola (L.). 

 *233. Erismatura rubida (VVii.s.). 



231. Mergus merganser L., 



car. .\:\iKiacANi;s Cass. 



235. Lophodytes cucullatus (L.). 



*23G. Pelecanus erythrorhynehus Gm. 



237. Larus sp? 



238. Larus Delawarensis Oud. 

 *239. Sterna Forsteri NuTT. 



240. Hydrochelidon fissipes (L.). 



2-11. Colymbus glacialis L., 



/■'(/•. ToiK^UATrs liiihin. 



212. Podiceps auritus (L.), 



r(tr. CAi.iFouNious Ilorrm. 



243. Podylimbus podiceps (L.). 



*Tlic ditcks and other Kututores nearly all breed in the same localities. 



