





IB 







PLATE 79 Mimicry in snuKes. 1 lie snakes in group A have poisonoub fangs; tliose in 

 group B are harmless. 



a. Elaps diimcrili. New Granada, b. Elaps It-umi^atns, Brax.il. c. Elaps semifartifas, New- 

 Granada, d. Elaps psyche, Brazil, e. Elaps coiallinnis. Brazil, Central America, f. Ophibolns 

 doliattts, Soulhein North America and Central Ami-iica. g. I'liocercus elapsides, Mexico. 

 h. OxyrrhopHs trigeminiis, Brazil. /'. Pliocci-fii^ t'l/ryz.v/its, New Granada, j. l^rvt/irolamprus 

 escitlapii, Brazil. k. Cenwphora coccinea.. Southern United States. /. Erythrolamprus venus- 

 tissimtis, Brazil, Central America. [After CorF..] 



