o jU /v# • tLkh qc- y OCCASIONAL PAPERS THE MUSEUM TEXAS TECH UNIVERSITY MLJS. COM P. ZOOL library APR 8 1975 - HARVARD - UNIVERSITY Numbers 1-20 February 1972-February 1974 Texas Tech Press Lubbock, Texas, USA TEXAS TECH UNIVERSITY Grover E. Murray, President Glenn E. Barnett, Executive Vice President Regents. — Bill E. Collins (Chairman), J. Fred Bucy, R. Trent Campbell, Clint Formby, John J. Hinchey, Frank Junell, A. J. Kemp, Charles G. Scruggs, and Judson F. Williams. Academic Publications Policy Committee. — J. Knox Jones, Jr. (Chairman), Dilford C. Carter (Managing Editor), C. Leonard Ainsworth, Craig C. Black, Frank B. Conselman, Samuel E. Curl, Ray C. Janeway, W. R. Johnson, S. M. Kennedy, Thomas A. Langford, George F. Meenaghan, Harley D. Oberhelman, Robert L. Packard, and Charles W. Sargent. The Museum Craig C. Black, Director Museum Publications Committee. — Fred H. Behnken (Chairman), Hugh H. Genoways, and David K. Northington. Occasional Papers of The Museum are issued under the auspices of the Dean of the Graduate School and Director of Academic Publications, and in co¬ operation with the International Center for Arid and Semi-Arid Land Studies. These contributions, usually shorter than 64 printed pages, are numbered separately and published on an irregular basis. Preferred abbreviation for citation is Occas. Papers Mus., Texas Tech Univ. Institutional libraries interested in exchanging publications, or subscribing to the Occasional Papers, should address requests to the Exchange Librarian Texas Tech University, Lubbock, Texas 79409. Individuals may purchase separate numbers of the Occasional Papers for 50 cents each (remittance en closed with request) through the Exchange Librarian Texas Tech Press, Lubbock, Texas, USA 1974 CONTENTS 1. Rouk, C. S., and D. C. Carter. 1972. A new species of Vampyrops (Chirop- tera: Phyllostomatidae) from South America. 7 pp., 11 February. 2. Gardner, A. L., and D. C. Carter. 1972. A new stenodermine bat (Phyl¬ lostomatidae) from Peru. 4 pp., 1 1 February. 3. Genoways, H. H., and J. K. Jones, Jr. 1972. Variation and ecology in a local population of the vesper mouse (Nyctomys sumichrasti). 22 pp., 29 March. 4. Sutton, J. F. 1972. Additional rodent material from the Split Rock Local Fauna, Miocene of Wyoming. 8 pp., 1 September. 5. Rowland, J. M. 1972. A new species of Schizomida (Arachnida) from California. 9 pp., 1 September. 6. Genoways, H. H., and J. K. Jones, Jr. Mammals from southwestern North Dakota. 36 pp., 3 November. 7. Baker, R. J., and V. R. McDaniel. 1972. A new subspecies of Uroderma bilobatum (Chiroptera: Phyllostomatidae) from Middle America. 4 pp., 3 November. 8. Mitchell, R. W., and M. Kawakatsu. 1972. A new family, genus, and species of cave-adapted planarian from Mexico (Turbellaria, Tri- cladida, Maricola). 16 pp., 22 December. 9. Genoways, H. H., and J. K. Jones, Jr. 1973. Notes on some mammals from Jalisco, Mexico. 22 pp., 26 January. 10. Rowland, J. M. 1973. New whipscorpions from New Guinea and the Solomon Islands (Thelyphonida, Arachnida). 8 pp., 26 January. 11. Rowland, J. M. 1973. A new genus and several new species of Mexican schizomids (Schizomida: Arachnida). 23 pp., 26 January. 12. Jones, J. K., Jr., D. C. Carter, and H. H. Genoways. 1973. Checklist of North American mammals north of Mexico. 14 pp., 2 February. 13. Jones, J. K., Jr., J. D. Smith, and H. H. Genoways. 1973. Annotated checklist of mammals of the Yucatan Peninsula, Mexico. I. Chirop¬ tera. 3 1 pp., 16 May. 14. Black, C. C., and J. J. Stephens, III. 1973. Rodents from the Paleogene of Guanajuato, Mexico. 10 pp., 29 June. 15. Jones, J. K., Jr., R. P. Lampe, C. A. Spenrath, and T. H. Kunz. 1973. Notes on the distribution and natural history of bats in southeastern Montana. 12 pp., 30 August. 16. Rowland, J. M. 1973. Uropygida (Arachnida) of the Philippine Islands, with description of a new genus and species. 1 1 pp., 4 October. 17. Baker, R. J., H. H. Genoways, W. J. Bi eier, and J. W. Warner. 1973. Cytotypes and morphometries of two phyllostomatid bats, Micronyc- teris hirsuta and Vampyressa pusilla. 10 pp., 12 December. 18. Mecham, J. S., M. J. Littlejohn, R. S. Oldham, L. E. Brown, and J. R. Brown. 1973. A new species of leopard frog (Rana pipiens complex) from the plains of the central United States. 1 1 pp., 19 December. 19 Mattox, R. B., and J. P. Brand. 1974. Stratigraphic relationships of the Shafer Limestone, San Juan County, Utah. 15 pp., 8 February. 20 Sutton, J. F., and H. H. Genoways. 1974. A new vespertilionine bat from the Barstovian deposits of Montana. 8 pp., 28 February. ERNST MAYR LIBRARY 3 2044 114 279 953