6).
_Cnemidophorus sacki zweifeli_, 207 specimens, as follows: _Michoacan_:
Apatzingan, CNHM 36966-8, 38969, 38971 (18), 38972 (50), UIMNH
36772-7, USNM 135967-8, 135970, 135972-3; 4 km. E of Apatzingan, UMMZ
85412; 6.5 km. E of Apatzingan, UMMZ 114731 (5); 5 km. W of
Apatzingan, KU 29289-90, 29293-7; 10 km. W of Apatzingan, UMMZ 114730
(4); 12.3 km. S of Apatzingan, UMMZ 112647; 16 km. S of Apatzingan, KU
29298; 14 km. SSW of Apatzingan, KU 29735, 29746, 29750-2; 10 km. W of
Buenavista, UMMZ 114719 (3); Capirio, UMMZ 112643, 114722 (2), 114733,
119536-50; 4 km. N of Capirio, UMMZ 112644 (3), 112645; 5.6 km. N of
Capirio, UMMZ 114732; 2 km. S of Charapendo, UMMZ 112639 (12);
Chinapa, UMMZ 119556 (2); Jazmin, UMMZ 114725 (2); between La Playa
and Volcan Jorullo, UMMZ 104748 (2); Limoncito, UMMZ 119552 (3);
14 km. S of Lombardia, KU 29299-301, 29303, 29305-11; 6 km. SW of
Nueva Italia, UMMZ 112640 (2); 2.7 km. S of Nueva Italia, UMMZ 112641
(4); 5 km. N of Nueva Italia, UMMZ 114721; Rio Marquez, 10 km. S of
Lombardia, UMMZ 112642, 112646; Rio Marquez, 13 km. SE of Nueva
Italia, UMMZ 114726; 6 km. N of Tafetan, UMMZ 119555 (18); 14.5 km.
E of Tepalcatepec, UMMZ 114720 (2); 6 km. S of Tzitzio, UMMZ 99199,
99200 (2); 19 km. S of Tzitzio, UMMZ 99154; Volcan Jorullo, UMMZ
104449 (4), 104750; Ziracuaretiro, UMMZ 114724; 3 km. NW of
Zirimicuaro, UMMZ 114723.
_Acknowledgments._--For the loan of specimens under their care I am
indebted to Doris M. Cochran, United States National Museum (USNM);
Norman Hartweg, University of Michigan Museum of Zoology (UMMZ);
Robert F. Inger, Chicago Natural History Museum (CNHM); and Hobart M.
Smith, University of Illinois Museum of Natural History (UIMNH). I
thank Ann S. Duellman, Richard E. Etheridge, Fred G. Thompson, Jerome
B. Tulecke, and John Wellman for their assistance in the field, Lorna
Cordonnier for the drawing reproduced as Figure 1, and Richard G.
Zweifel for helpful suggestions and criticism. Field work in Mexico
was made possible by grants from the Penrose Fund of the American
Philosophical Society and the Bache Fund of the National Academy of
Sciences in co-operation with the Museum of Zoology of the University
of Michigan.
_Transmitted February 2, 1960._
[]
28-2494
* * * *
Transcriber's Notes.
This file was derived from scanned images. With the exception of two
typographical errors t
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