Mimetic Butterflies: Left: (Upper) Dismorphia praxinoe female, (Middle) Mechanitis doryssus female, (Lower) Lycorea atergatis male; Right: (Upper) Eueides zorcaon male, (Middle) Heliconius telchinia female, (Lower) Melinaea imitata male. Identifier: yearofcostarican00calv (find matches)Title: A year of Costa Rican natural historyYear: 1917 (1910s)Authors: Calvert, Amelia Smith, b. 1876Calvert, Philip Powell, b. 1871 joint authorSubjects: Natural history -- Costa RicaCosta Rica -- Description and travelPublisher: New York, The Macmillan companyContributing Library: Brown University LibraryDigitizing Sponsor: Brown UniversityView Book Page: Book ViewerAbout This Book: Catalog EntryView All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book.Text Appearing Before Image:taining many fine largetrees. The current here was swift and the stream was poorin dragonflies. On May 24 A. obtained a stone-fly and twostone-fly exuviae, small may-fly larvae, a couple of species ofcaddis-worms, a galgulid (toad-shaped bug)—all similarin general appearance to forms in the eastern United States. On the same day some Ithomiine butterflies, Hymenitisoto (with clear transparent wings spreading two and one-eighth inches, whose margins and veins are blackish, andwith an oblique milky-white band and milky-white spotson the front wings) and Dircenna klugii (already mentionedin Chapter V) were found only in dark shady spots in thesewoods. The transparency of their wings made them muchmore difficult to see, whether in flight or at rest, than otherbutterflies whose wings were of the normal style—coloredand not transparent. Dr. Sharp, in the Cambridge NaturalHistory (Vol. VI, p. 346), quotes Wallace briefly as making asimilar observation on these butterflies. However on MavText Appearing After Image:a . ^ -v^ S^ 5 S ^ PC g a s s c J^ O ^ • 2 s V O