I. 



MORPHOLOGY OF THE POISON GLAND OF HELODERMA. 



A. Anatomy of the Poison Gland of Heloderma. By 



Henry Fox. 



B. Structural Changes produced in the Poison Gland by 



Injection of Pilocarpine. By Henry Fox (with the 



COLLABORATION OF LEO LoEb). 



C. Transplantation of the Venom Gland. By Henry Fox 



and Leo Loeb. 



D. Solubility of the Venom Granules. By Henry Fox 



and Leo Loeb. 



