Ernest J. Oslar, 1858-1944 : his travel and collection itinerary, and his butterflies
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Ernest John Oslar collected more than 50,000 butterflies and moths and other insects and sold them to many taxonomists and museums throughout the world. This paper attempts to determine his travels in America to collect those specimens, by using data from labeled specimens (most in his remaining collection but some from published papers) plus information from correspondence etc. and a few small field diaries preserved by his descendants. The butterfly specimens and their localities/dates in his collection in the C. P. Gillette Museum (Colorado State University, Fort Collins, Colorado) are detailed. ...