PLATE IV 

 Representative Fit Vipers (CROTALIDAE) 



FiouRE 1. Amprican Copperhead, Agkistrodon 

 contartrix, southcasti'ni U.S. Navy photo, 

 courte*iy U.S. Nntional Zoological Park. 

 (Seep. 39) 



Figure 2. Chinese Green Tree Viper, Trimeresurus 

 stejnegeri. Navy photo, courtesy U.S. National 

 Zoological Park. (See p. 11!;)) 



Figure 3. Green Tree Viper, Trimeresurus 

 sp. Xavy photo, courtesy U.S. National 

 Zoological Park. (See p. 130) 



Figure 4. Wagler's Pit Viper, Trimeregurus 

 wagleri. Navy photo, courtesy U.S. National 

 Zoological Park. ( See p. 138 ) 



Figure 5. Okinawa Habu, Trimeresurus flamvi- 

 ridis. Navy photo, courtesy U.S. National 

 Zoological Park. (See p. 137) 



Figure 6. Sakishima Habu, Trimeresurus eUgans. 

 Navy photo, courtesy U.S. National Zoological 

 Park. (Seep. 137) 



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