. Brigham Young University science bulletin. Biology -- Periodicals. 126 Bricham Young University Science Bulletin. ^'^^ J„,p!r/''"° "'"!:'^''l^''f- A. f™'^'^' dorsal view: B, posterior margin of head and anterior porHon of mesostemum: C, left male postgonites. A-B from Jobling ( 1939); C from Wenzel et al. (1966).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brigham Young University. Provo, Utah : Brigha

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. Brigham Young University science bulletin. Biology -- Periodicals. 126 Bricham Young University Science Bulletin. ^'^^ J„,p!r/''"° "'"!:'^''l^''f- A. f™'^'^' dorsal view: B, posterior margin of head and anterior porHon of mesostemum: C, left male postgonites. A-B from Jobling ( 1939); C from Wenzel et al. (1966).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brigham Young University. Provo, Utah : Brigham Young University

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