Brihat Parashara Hora Shastra
पृष्ठोदयी बृहद्गात्रः कर्बुरो वनभूचरः। आदौ चतुष्पदोन्ते तु विपदो जलगो मतः॥ २०॥
It has a large body. Its complexion is variegated and it resorts to both forests and lands. Its first half is quadruped and its second half footless, moving in water.
english translation
pRSThodayI bRhadgAtraH karburo vanabhUcaraH। Adau catuSpadonte tu vipado jalago mataH॥ 20॥
hk transliteration by Sanscript