Charak Samhita
धूमिकाकुररश्चेतिप्रसहामृगपक्षिणः। श्वेतःश्यामश्चित्रपृष्ठःकालकःकाकुलीमृगः॥३७॥
And listed now are the burrowing creatures that can be considered fit for human consumption: The white (Python molurus), the dark-brown (Python molurus), the reticulated (Python reticulus) and the black (Python molurus) ones are the four varieties of pythons;
english translation
dhUmikAkurarazcetiprasahAmRgapakSiNaH। zvetaHzyAmazcitrapRSThaHkAlakaHkAkulImRgaH॥37॥
hk transliteration by Sanscript