There is another manuscript, written on bombycine, in the Bodleian Library, No.
"Ceylon; an Account of the Island Physical, Historical, and Topographical with Notices of Its Natural History, Antiquities and Productions, Volume 1 (of 2)" by James Emerson Tennent
Bombycinous: a very pale yellow like fresh spun silk.
"Explanation of Terms Used in Entomology" by John. B. Smith