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Show 1906.] IN MEXICAN LIZARDS. 315 Of the 5 Cocoyul specimens, one has 7 (text-fig. 71 I)), all the others 8 stripes (text-fig. 71 G ) ; throat of males suffused with blackish. Text-fig. 73. Cnemidophorus sexlineatus and C. deppei. A = C. sexlineatus, Sauz, Chihuahua ; with 6 clear and a very faint central stripe. 4 4 supraoculars. B = ., „ „ „ with 7 complete white stripes. 4/4 supraoculars. D = G deppei, Cocoyul 5; with 7 complete white stripes. 3/3 supraoculars. The 3 Miahuichan specimens, all males, have 9 stripes; throat and jaw blue-black ; flanks without any red. The 3 San Luis specimens (text-fig. 72 C) have 9 and 10 sharp stripes ; throat of male mottled ; lateral field reddish ; in both females the stripe 1 is reddish, and one of these females with 10 stripes has an additional white stripe which runs in an unbroken line from ear to hip. These San Luis specimens are also remarkable for the low number of femoral pores, namely 15 and 16; and two of them possess remnants of the 4th, posterior, supraoculars. Southern Oaxaca.-These 48 specimens (text-fig. 72 D-G) form the bulk of those described in m y previous paper. The characteristic features are :- (1) The range of white stripes from 8 to 11, the increase apparently coinciding with age; the percenta ge of 10 or 11 stripes amounting to 70 per cent, is much greater than in the 88 Guerrero specimens, amongst which occur none with 11, and only about 4*5 percent, of 10-striped specimens. On the other hand, Oaxaca |