Part 6 (1/2)

1946. History of the North American bird fauna. Wilson Bull., 58:3-41.

MEYERRIECKS, A. J.

1960. Comparative breeding behavior of four species of North American herons. Publ. Nuttall Ornith. Club, no. 2:158 pp.

MEXICAN CHECK-LIST

1950. Distributional check-list of the birds of Mexico. Part I. Pac. Coast Avif., 29:202 pp.

1957. Distributional check-list of the birds of Mexico.

Part. II. Pac. Coast Avif., 33:436 pp.

ORIANS, G. H.

1961. The ecology of blackbird (_Agelaius_) social systems.

Ecol. Monogr., 31:285-312.

PAYNTER, R. A., JR.

1955. The ornithogeography of the Yucatan peninsula. Peabody Mus. Nat. Hist., Bull. 9:347 pp.

PETERSON, R. T.

1960. A field guide to the birds of Texas. Houghton Mifflin Co., Boston. 304 pp.

PITELKA, F. A.

1950. Geographic variation and the species problem in the sh.o.r.e-bird genus _Limnodromus_. Univ. California Publ.

Zool., 50:1-108.

PRICE, W. A.

1933. Role of diastrophism in topography of Corpus Christi area, south Texas. Bull. Amer. a.s.soc. Petrol. Geol., 17:907-962.

ROBINS, C. R., MARTIN, P. S., and HEED, W. B.

1951. Frigate-bird, oystercatcher, upland plover and various terns on the coast of Tamaulipas, Mexico. Wilson Bull., 63:336.

SELANDER, R. K.