29 



Acknowledgments 



We are much indebted to Dr. Ivan INEICH, of the Laboratoire de Zoologie (Reptiles & Amphibiens), 

 Museum National d'Histoire Naturelle, Paris, Mr. Gemot VOGEL, of the Society for Southeast Asian 

 Herpetology, Heidelberg, and Dr. George ZUG, of the Division of Amphibians and Reptiles, National 

 Museum of Natural History, Smithsonian Institution, Washington, for their careful reading of the 

 manuscript and their helpfiil corrections and suggestions. 



We are grateful to Dr. ZHAO Er Mi, Sichuan Institute of Biology, Chengdu, for providing us with 

 otherwise unavailable Chinese literature and unpublished data about Ovophis monticola zhaokentangi, and 

 Mr. Cen Jian Qiang, Shanghai Museum of Natural History, for his assistance in the examination of 

 preserved specimens and his friendly help. 



Last, we also thank Miss Tu Xiao Hua (Paris) for her assistance in the search of Chinese literature 

 and additional translations. 



The cover artwork was kindly realised by Miss Agathe Ravet, of the Museum National d'Histoire 

 Naturelle, Paris. Her skill and friendship are here warmly acknowledged. 



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