Title from 2021 identification of species. Two males. Species identified in 1920s as Purple sunbird (Arachnechthra asiatica) and Loten's sunbird (Arachnechthra lotenia) On back of painting: pencilled notes "Certhia No.19 & No 20" Measurements 14 5/16 x 12 1/16 inches. Purchased in London in 1924 by Casey A. Wood as part of a collection of watercolours in a portfolio labelled "E.C.K. 1800", and donated to the Blacker-Wood Library of Zoology and Ornithology. Wood, C. A. Vertebrate zoology,page 502. Cinnyris asiaticus