Brihat Samhita
व्यालसूकरौपमा विस्फुलिङ्गमालिनी । खण्डशो अथ वा गता सस्वना च पापदा ॥ ३३-२८ ॥
If it should be of the shape of a snake or a pig, or appear as if covered with sparks of fire, or cut or fall with noise, there will be misery in the land.
english translation
vyAlasUkaraupamA visphuliGgamAlinI । khaNDazo atha vA gatA sasvanA ca pApadA ॥ 33-28 ॥
hk transliteration by Sanscript