MEXICAN SNAKES AND CROCODlLIAiNS — SMITH 

 Table 12. — Variation in Drvinobius margaritiferus flstulosus 



425 



U.S.N .M. 

 No. 



Sex 



Ventrals 



Caudals 



Supralabials 



Infralabials 



Labials enter 

 eye 



110839 

 110840 

 110844 

 110845 

 110846 

 110849 

 110850 

 110852 

 110854 

 110860 

 110841 

 110842 

 110843 

 110847 

 110848 

 110851 

 110853 

 110855 

 110859 



150 

 147 

 150 

 150 

 148 

 149 

 146 

 150 

 150 

 152 

 149 

 149 

 149 

 149 

 150 

 149 

 152 

 150 

 151 



116 



117 



125 

 142 

 117 

 115 



113 



126 

 125 

 121 



112 



9-9 

 8-8 

 9-9 

 9 9 

 9-9 

 9-9 

 9-9 

 9-9 

 9-10 

 8-9 

 9-9 

 9-9 

 9-9 

 9-9 

 9-9 

 9-9 

 9-9 

 9-9 

 9-9 



9-9 

 9-9 

 10-11 

 11-11 

 10-10 

 10-10 



11-11 



10-10 



11-11 



11-10 

 10-10 

 10-10 

 10-10 

 9-10 

 10-10 

 10-11 

 10-11 

 10-10 

 10-10 



4-5-6 

 3-4-5 

 4-5-6 

 4-5-6 

 4-5-6 

 4-5-6 

 4-5-6 

 4-5-6 

 4/5-5/6-6/7 

 3/4-4/5-5/6 

 4-5-6 

 4-5-6 

 4-5-6 

 4-5-6 

 4-5-6 

 4-5-6 

 4-5-6 

 4-5-6 

 4-5-6 



The Museum has eight other specimens, from Miramar, Nayarit (No. 

 51480, type), Colima (Nos. 31480-3, 56163) , Tehuantepec, Oaxaea (No. 

 30484), and Puente de Ixtla (No. 46545). 



DRYMOBIUS MARGARITIFERUS OCCIDENTALIS Bocourt 



DrymoHus margaritiferus occidcntalis Smith, Proc. U. S. Nat. Mus., vol. 92, 

 p. 383, 1942. 



Seven specimens, all from southern Chiapas near Escuintla, were 

 collected: Cruz de Piedra (Nos. 110861-2) ; Rancho Las Gradas (No. 

 110863) ; La Esperanza (Nos. 110856-8, 110864) . Table 13 gives varia- 

 tion in certain characters. 



Table 13. — Variation in Drymobius margaritiferus occidentalis 



U.S.N.M. 

 No. 



Sex 



110856 

 110857 

 110862 

 110858 

 110861 

 110863 

 110864 



Ventrals 



148 



143 



145 



147 



145 



140? 



148 



Caudals 



118 

 123 

 115 

 121 



122 



Supralabials 



9-9 



9-10 



9-9 



9-9 



9-9 



9-9 



9-9 



Infralabials 



11-1 

 11-1 

 11-1 

 11-1 

 11-1 



10-10 



11-11 



Labials enter 

 eye 



4-5-6 



4/5-5/6-6/7 

 4-5-6 

 4-5-6 

 4-5-6 

 4-5-6 

 4-5-6 



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