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 15, TIlE CONI)OR Vol. Xlll hatching at the time. One young bird noted had just broken out of the shell and rolled over the edge of the nest into the water. On our approach he made frantic efforts to dive but was unable to get any mre thxu his head under the water. Hydr0chelid0n nigra surinamensis. Black Tern. Two birds xvere seen flying over the lake on the 28th. They gave no signs of breeding and were probably stragglers. Querquedula cyan0ptera. Cinnamon Teal. Very common in pairs feeding in the grass. .No nests found. Spatula clypeata. Shovellet. One or two pairs in breeding plumage vere seen. This bird is frequently seen around southern California marshes iu mid- summer, and probably breeds occasionally, although authentic nesting records are lacking at the present time. Fig. 44. NEST AND YOUNG OF V'HITE-FACED GLOSSY IBIS Datila acura. Pintail. Fairly common and undoubtedly breeding. Although many of these birds were noted no nests were found, but on the 28th a female was seen with four small young. Mari!a americana. Red-head. Breeding very commonly. We were much in- terested in the large nmnber of eggs in the sets noted. Four nests found contained, respectively, fifteen, seventeen, eighteen and twenty-seven eggs. This last set was undoubtedly the product of at least two females, as there were seventeen eggs of one type and ten of another. In fact the ten eggs may not be Red-head's at all, as they resemble very much the eggs of the Pin-tail. Erismatura jamaicensis. Ruddy Duck. Breeding plentifully in the tules. Many nests containing eggs were noted. Dendrocygna bicolor. Fulvous Tree-duck. Several pairs were seen, but were