The Venom from three species of Agkistrodon (A.blomhoffii brevicaudus, A.intermedius and A.qinlingensis) in Shaanxi province, are compared by PAGE (polyacrylamide gel electrophoresis).

• 对陕西分布的日本蝮短尾亚种 (Agkistrodonblomhoffiibrevicaudus)、秦岭蝮(A .；qinlingensis)及中介蝮 (A