Elapinæ, [5]

Elaps, [35]

elsneri (Coluber leopardinus, var.), [193]

Embryo, [88]

Epiglottis, [79]

Eryx, [147]

Eryx jaculus, [147]

European Whip-Snake, [170]

External characters, [8]

Exuviæ, [20]