. Synopsis of the North American Syrphidae [microform]. Syrphidae; Diptera; Syrphidés; Diptères. 30G IJULLIOTIN :!l, UNllKli STA'l i:s NATIONAL MUSEUM. Bull. 31, U. S PLATE n. II i i 1. Pn'iZA I'lTLOHKM-A Will., wing : In, licail of l(>iniile; W>, hind ley;. 2. PiPiZA PisTiCA Will., wing. 3. Pipizj* Will., wing. 4. I'liM/A I'KSTiVA Mcigt'ii, head ot rt'iiiiilc. 5. I'liM/A i';s Will., itiittMiniv. 6. ('()(iAsri';i{ Will., wing; tW/, liHiidol'Mit»l« (the convexity of the fii^ is ;i lirtlc loii great). 7. ( MTinA VVietl , wing; 7«, head of male. 8. ('n

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. Synopsis of the North American Syrphidae [microform]. Syrphidae; Diptera; Syrphidés; Diptères. 30G IJULLIOTIN :!l, UNllKli STA'l i:s NATIONAL MUSEUM. Bull. 31, U. S PLATE n. II i i 1. Pn'iZA I'lTLOHKM-A Will., wing : In, licail of l(>iniile; W>, hind ley;. 2. PiPiZA PisTiCA Will., wing. 3. Pipizj* Will., wing. 4. I'liM/A I'KSTiVA Mcigt'ii, head ot rt'iiiiilc. 5. I'liM/A i';s Will., itiittMiniv. 6. ('()(iAsri';i{ Will., wing; tW/, liHiidol'Mit»l« (the convexity of the fii^ is ;i lirtlc loii great). 7. ( MTinA VVietl , wing; 7«, head of male. 8. ('ni!Ys()<iA.»<i)<;astkk si' Will., wing. 13. PAiiVA Will., head of female. 14. Will., head of male. 15. CiiiLOSiA PETiTLCA Will., head of female (the Iowjt border of the cheeks Hcenda too jnnch in fi<mt).. 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 Williston, Samuel W. (Samuel Wendell), 1851-1918. Washington : G. P. O.

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Keywords: ., book, bookcentury1800, bookdecade1880, bookpublisherwashingtongpo