Ticks, [108]

Tongue, [74]

Tongue-worms, [108]

torquatus (Coluber), [152]

trabalis (Zamenis gemonensis, var.), [172]

Trachea, [78]

transcaucasiana (Vipera ammodytes, var.), [256]

Tree-Snakes, [36], [92], [94]

Trematoda, [112]

Tropidonotus, [152]