बृहत्संहिता (आचार्य वराहमिहिर - स्थापत्य, खगोल, मौसम व जल विज्ञान)

474 बृहत्संहितायाम् [Adh LIV. Sl. 80-84. हस्तचतुष्के मध्यात् षोडशमिश्राङ्गुलेरुदग्वारि । चत्वारिंशत्पुरुषान् खात्वाऽश्माऽधः शिरा भवति ॥८०॥ Slokas 79-80.—When there is a Rohitaka tree sur- rounded by three trees of different types in the midst of three ant-hills, water is to be predicted there. The water is four cubits and 16 digits to the north of the centre of the ant-hills at a depth of 200 cubits. First a stone will be seen and beneath that a water-vein. ग्रन्थिप्रचुरा यस्मिन् शमी भवेदुत्तरेण वल्मीकः । पश्चात् पञ्चकरान्ते शतार्धसंख्यैर्नरैः सलिलम् ॥८१॥ Sloka 81.—Where there is a knotty Samee tree and an ant-hill to its north, there is water 5 cubits to the west at a depth of 250 cubits. एकस्थाः पञ्च यदा वल्मीका मध्यमो भवेच्छ्वेतः । तस्मिन् शिरा प्रदिष्टा नरषष्ट्या पञ्चवर्जितया ॥८२॥ Sloka 82.—When there are five ant-hills in a place and the central one is white, there is a vein underneath the middle one at a depth of 275 cubits. सपलाशा यत्र शमी पश्चिमभागेऽम्बु मानवैः षष्ट्या । अर्धनरेऽहिः प्रथमं सवालुका पीतमृत्परतः ॥८३॥ Sloka 83.—Where a Samee tree is combined with a Palasa, there is water 5 cubits to its west at a depth of 300 cubits. When the earth is dug 2½ cubits deep, first, a snake will be seen, and next, yellow clay mixed with gravel. वल्मीकेन परिवृतः श्वेतो रोहीतको भवेद्यस्मिन् । पूर्वेण हस्तमात्रे सप्तत्या मानवैरम्बु ॥८४॥