. Elementary entomology . Fig. 273. The viceroy butterfly (Ba- Fig. 272. The monarch butterfly (Anoiia silarchia archippus) and its chrysalis. plexippus) on thistle. (Reduced) (Reduced) (Photograph by Weed) (Photograph by Weed)

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Photo credit: © The Bookworm Collection / Alamy / Afripics
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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912