1872.] . 241 [Trippe. 
139. Machorhamphus griseus. Not common; seen in spring 
only. 
140. Tringa maculata. Very abundant in spring and fall. 
In wet seasons many of the level prairies are converted into shallow 
ponds, that attract great numbers of this and the two following 
species. 
141, Tringa Wilsonii. Common; spring and fall. 
142, Ereunetes petrificatus. Common; spring and fall. 
143. Gambetta melanoleuca. Rather common in spring 
and fall. 
144. Gambetta flavipes. Common; spring and fall. 
145. Rhyacophilus solitarius. Abundant; breeds, 
146. Tringoides macularius. Abundant; breeds. 
147. Actiturus Bartramius. Abundant; breeds. On its first 
arrival the bird is rather shy, but soon becomes tame and familiar. 
148. Limosa fedoa. Seen occasionally in spring only. 
149. Numenius longirostris. A few seen in spring in De- 
catur County, where I was informed that it formerly bred quite com- 
monly. 
150. Porzana carolina. Seen occasionally, and only in spring. 
151. Anser hypaboreus, Common, spring and fall. Rarely 
alights. 
152. Bernicla canadensis. pring and fall. Formerly stayed 
to breed. 
153. Anas boschas. Common in spring and fall. <A few re- 
main all summer and breed. Said to have been in large numbers 
formerly. A. obscura I have never seen in Iowa. 
154. Dafila acuta. Not common; spring and fall. 
155. Nettion carolinensis. Abundant in spring and fall. 
156. Querquedula discors. Abundant in spring and fall. The 
mallard, the green-winged teal, and this species, are the only ducks 
that are at all abundant, far outnumbering all the other species 
together. | 
157. Aix sponsa. Rather common; breeds. 
158. Fulix collaris. Rather common; spring and fall. 
159. Pelecanus erythrorhynchus. Seen occasionally in 
spring. 
160. Hydrochelidon fissipes. Observed about pools of water 
on the prairies in May-only. 
PROCEEDINGS B, 8. N. H.—VOL,. XV- 16 MARCH, 1873. 
