The Grihya Sutras, Part 1 (SBE29), by Hermann Oldenberg, , at sacred-texts.com
1. If an anthill arises in his house, the house should be abandoned.
2 2. Then, after having fasted three nights (and days), he should perform the great expiation.
Here ends the Fifth Adhyâya.
140:2 11, 2. Nârâyana understands the 'great expiation' as a rite directed to Ganesa and to the planets (comp. Yâgñavalkya I, 276 seq., 292, &c.); that this ceremony was known already to the author of this Sûtra seems very doubtful. Another 'mahâsânti' is frequently mentioned in the Kausika-sûtra (quoted in Böhtlingk-Roth's Dictionary); comp. my German edition of Sâṅkhâyana, p. 159.