The author adds that he wrote these things from the opinions of Gonikaputra and Nandikeshwara, both of whom are mentioned by Vatsyayana, but their works are not now extant.

It is difficult to give any approximate idea as to the year in which the work was composed.

It is only to be presumed that it was written after that of Vatsyayana, and previous to the other works on this subject that are still extant.

Vatsyayana gives the names of ten authors on the subject, all of whose works he had consulted, but none of which are extant, and does not mention this one.

This would tend to show that Kukkoka wrote after Vatsya, otherwise Vatsya would assuredly have mentioned him as an author in this branch of literature along with the others.
The author of the 'Five Arrows' (No.