Kowatcheff, W. T.: Herpetological Fauna of Bulgaria. Philippopolis, 1912, 8vo. [Bulgarian text.]
Roumania
Kiritzescu, C.: Contribution à la Faune Herpétologique de Roumanie. Sauriens et Ophidiens (Bull. Soc. Rom. Bucarest, x., 1901).
Russia
Nikolsky, A.: Herpetologia Rossica. St. Petersburg, 1905, 4to. [Russian text.]
Strauch, A.: Die Schlangen des Russischen Reichs. St. Petersburg, 1873, 4to.
CHAPTER XIII
SNAKES IN RELATION TO MAN
Under this head, the question of poisonous snakes naturally occupies the first place. In addition to what has been said above in Chapter VI., dealing with the anatomical and physiological aspects of the subject, we have to allude to the accidents caused by these dangerous reptiles, and the measures taken to combat them.