1949. Three new races of badgers (Taxidea) from southwestern United States. Jour. Mamm., 30:301-305, August 17. SELANDER, R. K., JOHNSTON, R. F., WILKS, B. J., and RAUN, G. G. 1962. Vertebrates from the barrier islands of Tamaulipas, México. Univ. Kansas Publ., Mus. Nat. Hist., 12:309-345, 4 pls., June 18. SETZER, H. S. 1949. Subspeciation in the kangaroo rat Dipodomys ordii. Univ. Kansas Publ., Mus. Nat. Hist., 1:473-573, 27 figs., December 27. SHAMEL, H. H. 1931. Notes on the American bats of the genus Tadarida. Proc. U. S. Nat. Mus., 78:1-27, May 6. SMITH, H. M. 1949. Herpetogeny in Mexico and Guatemala. Assn. Amer. Geographers, 39:219-238, 1 fig., September. STAINS, H. J. 1957. A new bat (Genus Leptonycteris) from Coahuila. Univ. Kansas Publ., Mus. Nat. Hist., 9:353-356, January 21. TAMAYO, J. L. 1949. Geografía general de México. Talleres Graficos de la Nación, México, vol. 1:vii + 628, vol. 2:1-583. VAN GELDER, R. G. 1959. A taxonomic revision of the spotted skunks (Genus _Spilogale_). Bull. Amer. Mus. Nat. Hist., 117:233-392, 47 figs., June 15. VILLA R., B. 1954. Distribución actual de los castores en México. Anal. Inst. Biol., México, 25:443-450, 2 pls., 1 map, November 9. 1956. Tadarida brasiliensis mexicana (Saussure), el murciélago guanero, es una subespecie migratoria. Acta Zool. Mex., 1:1-11, 2 figs., September 15. 1958. El mono araña (_Ateles geoffroyi_) encontrado en la costa de Jalisco y en la región central de Tamaulipas. Anal. Inst. Biol., México, 28:345-347, June 14. VILLA R., B., and JIMENEZ G., A. 1961. Acerca de la posición taxonomica de _Mormoops megalophyla senicula_ Rehn, y la presencia de virus rabico en estos murciélagos insectivoros. _Ibid._, 31:501-509, 1 fig., April 17. VIVO, J. A. 1953. Geografía de México. Fondo de Cultura Economica, México. 3er. Ed., pp. 1-338, 37 pls. _Transmitted June 28, 1962_ 29-4228 (Continued from inside of front cover) Vol. 10. 1. Studies of birds killed in nocturnal migration. By Harrison B. Tordoff and Robert M. Mengel. Pp. 1-44, 6 figures in text, 2 tables. September 12, 1956. 2. Comparative breeding behavior of Ammospiza caudacuta and A. maritima. By Glen E. Woolfenden. Pp. 45-75, 6 plates, 1 figure. December 20, 1956. 3. The forest habitat of the University of Kansas Natural History Reservation. By Henry S. Fitch and Ronald R. McGregor. Pp. 77-127, 2 plates, 7 figures in text, 4 tables. December 31, 1956. 4. Aspects of reproduction and development in the prairie vole (Microtus ochrogaster). By Henry S. Fitch. Pp. 129-161, 8 figures in text, 4 tables. December 19, 1957. 5. Birds found on the Arctic slope of northern Alaska. By James W. Bee. Pp. 163-211, plates 9-10, 1 figure in text. March 12, 1958.