Status of Geomys cumberlandius 151 



Bangs, O. 1898. The land mammals of peninsular Florida and coast region of 



Georgia. Proc. Bost. Soc. Nat. Hist. 25:157-235. 

 Barr, A. J., J. H. Goodnight, S. P. Sail and J. T. Helwig. 1976. A user's guide to 



SAS 76. SAS Institute, Inc. 329 pp. 

 Case, Ted C. 1978. A general explanation for insular body size trends in terres- 

 trial vertebrates. Ecology 59(1): 1-18. 

 DeBlase, Anthony F., and R. E. Martin. 1974. A manual of mammalogy. Wm. 



C. Brown, Dubuque. 329 pp. 

 Dodson, Peter. 1978. On the use of ratios in growth studies. Syst. Zool. 



27:62-67. 

 Foster, J. B. 1965. The evolution of the mammals of the Queen Charlotte 



Islands, British Columbia. Occas. Pap. British Columbia Prov. Mus. 



74:1-130. 

 Hall, E. Rayond. 1981. The Mammals of North America. 2nd Ed. John Wiley 



and Sons, New York. 1181 pp. 

 , and K. R. Kelson. 1959. The Mammals of North America. Ronald 



Press, New York. 1083 pp. 

 Heaney, Lawrence R. 1978. Island area and body size of insular animals; evi- 

 dence from the tricolored squirrel (Callosciurus prevosti) of southwest Asia. 



Evolution 32(l):29-44. 

 Hibbard, Claude W., W. D. Ray, D. E. Savage, D. W. Taylor and J. E. Guil- 



day. 1965. Quarternary mammals of North America, pp. 509-525 in H. E. 



Wright, Jr. and D. G. Frey (eds.). The Quarternary of the United States. 



Princeton Univ. Press, Princeton. 922 pp. 

 Hill, Michael. 1978. On ratios--a reply to Atchley, Gaskins, and Anderson. Syst. 



Zool. 27:61-62. 

 Laerm, Joshua, J. C. Avise, J. C. Patton and R. A. Lansman. In press. The genetic 



determination of the status of an endangered species of pocket gopher in 



Georgia. J. Wildl. Mgmt. 

 Morrison, Donald. 1967. Multivariate Statistical Methods. McGraw Hill, New 



York. 338 pp. 

 Russell, R. J. 1968. Evolution and classification of the pocket gophers of the 



subfamily Geomyinae. Univ. Kans. Publ. Mus. Nat. Hist. 76:473-579. 

 Sneath, P. H. A., and R. R. Sokal. 1973. Numerical Taxonomy. W. H. Free- 

 man Co., San Francisco. 573 pp. 

 Webb, S. David (ed.) 1974. Pleistocene mammals of Florida. Univ. Presses Fl., 



Gainesville. 270 pp. 

 Williams, Stephen L., and H. H. Genoways. 1977. Morphological variation in 



the tropical pocket gopher {Geomys tropicalis). Ann. Carnegie Mus. 46: 245-264. 

 , and 1980. Morphological variation in the southeastern pocket 



gopher, Geomys pinetis (Mammalia: Rodentia). Ann. Carnegie Mus. 49:405-453. 



Accepted 31 October 1981 



