Glauert replies saying he believes the snakes described are Brown Snakes, Demansia nuchalis, and also a Whip Snake, Demansia psammophis.
Glauert notes that Groves' use of methylated spirits is suitable for specimen preservation or alternatively commercial formalin mixed with water.
See: File A220-75-17 Natural Science - Enquiries and Requests
SeeAlso: A220-75-17-4