[Bhutanitis] lidderdalei was first discovered by Dr. Lidderdale in 1868 in Bhutan, at about 6,000 feet, near Buxa. Between 1886 and 1890 the late H. J. Elwes sent three parties of native collectors from Darjeeling to procure the insect. The first was plundered by the Bhotias, the second was attacked by fever and one of its members died, the third had a man killed by a tiger, and all returned unsuccessful. Specimens were later procured by Mr. A. V. Knyvett, then Inspector of Police, who gave them to Mr. Elwes …