TABLE OP CONTKNTS. 



I'"nlranc(^ of" the fiiiif^ into llic ])art struck 



iMt'chanism of the parts coiiccnied in the injection of the jioison 



A\'ithdra\val of the fang .... 



Observation as to the employment of one or both fangs 



divergence of the fangs when used in biting 



Means employed to restrain the wasteful flow of the vcnora 



Tenacity of life on the part of the Crotalus (note) 



Circumstances that sometimes lessen or destroy the danger of the bite 



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CllAPTKR IV. 



I'IIYSIC,\L AND CHEMICAL OIIAKACTERS OF THE VENOM. 



Amount of venom in Ihe ducts .... 



Manipulation (note) ..... 



Capacity of gland as compared to length and weight of snake 



Color of the venom of the Rattlesnake 



Physical characters of venom .... 



Consistency of venom ..... 



Taste and smell of venom .... 



Reaction of the venom .... 



Reaction of the mucous membrane of the snake's mouth 

 Decomposition of the venom .... 



Crystals formed during the evaporation of diluted venom 



Amorphous dcjiosit from venom 



Chemical examination of Crotalus venom 



Temperature at which the venom coagulates 



Its solubility ...... 



Eflfect of chemical reagents on the venom 



Its nitrogenous character .... 



Observations as to the presence of sulphocyanide of potassium 

 (Qualitative analysis of venom .... 



Observations as to the power of venom to convert starch into { 

 Is the gland tissue poisonous .... 



Analogy of the vcnora gland to the parotid gland 



Effect of various temperatures on the activity of venom 



Table of the effect of various temperatures on the activity of venom 



Influence of certain chemical agents on the activity of venom 



CHAPTER V. 



TOXICOLOGY OF THE VENOM OF THE CROTAMJS. 



Action of venom on plants .... 



Germination of seeds in venom 



Action of venom on animal life 



Oevelopment of animalcula; in decomposing venom 



Action of venom on frogs .... 



Acute poisoning of frogs .... 



Chronic poisoning of frogs .... 



Action of the dried venom of the Crotalus on frogs 



Effect of the venom upon the Crotalus itself 



Relative susceptibility of cold and warm-blooded animals 



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