Pairing, [84]

Pallas’s Pit-Viper, [262]

Parasites, [107]

Pelias berus, [221]

Pelias dorsalis, [234]

Pelvic arch, [52]

persa (Tropidonotus natrix, var.), [154]

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

picturatus (Tropidonotus natrix, var.), [155]

Pit-Vipers, [75], [262]