monarch butterfly (Danaus plexippus), viceroy butterfly (Limenitis archippus) FIG. 233. The monarch butterfly, Anosia plexippus (above), distasteful to birds, and the viceroy, Basilarchia archippus (below), which mimics it.
Title: The animans and man; an elementary textbook of zoology and human physiology
Year: 1911 (1910s)
Authors: Kellogg, Vernon L. (Vernon Lyman Kellogg), 1867-1937, Mary Isabel McCracken
Subjects: Zoology; Physiology
Source book page: https://archive.org/stream/animansmanelemen00kell/animansmanelemen00kell#page/n468/mode/1up
Source: https://commons.wikimedia.org/wiki/File:The_animans_and_man;_an_elementary_textbook_of_zoology_and_human_physiology_(1911)_(14784597122).jpg
The monarch butterfly or simply monarch (Danaus plexippus) is a milkweed butterfly (subfamily Danainae) in the family Nymphalidae. Other common names depending on region include milkweed, common tiger, wanderer, and black veined brown.
The viceroy butterfly (Limenitis archippus) is a North American butterfly that ranges through most of the contiguous United States as well as parts of Canada and Mexico.