188 
BIBLIOGRAPHY OF 
Editio nova 1808 : 39-40 
Describes 7 species of Homoptera 
1820a Specimen Insectorum ulterioris Calabriae (Ed. nova) 1820: iii-vi, 
1-45; 1 pi. [39-40] 
Describes common species of Homoptera 
Pettit, Rufus Hiram 
1919a Periodical cicada. Mich. Agr. Expt. Sta. Quart. Bui. 1: 167-168 
1920b Report of the Entomological Section. Mich. State Bd. Agr. Ann. 
Rpt. Sec. 58 : 270-272 
Economics of various species 
1927 See Gardner, et al 1927a 
Pflugfelder, Otto 
1937a Vergleichend-anatomische, experimentelle und embryologische un- 
tersuchungen iiber das Nervensystem und die Sinnesorgane der 
Rhynchoten. Zoologica, Stuttgart 34 (93): v-vi, 1-102; Pis. I- 
XXV; Text figs. 1-150 
Philippi, Rudolph Amandus 
1860a Hemiptera. Viage al desierto de Atacama hecho de orden del 
Gobierno de Chile en el verano 1853-54 1860 : i-ix, 1-192; Pis. 
1-27 [156] 
Cicada eremopkila n. sp. 
1860b Reise durch die Wueste Atacama. Auf befehl der chilenischen 
Regierung im Sommer 1853-54 Unternommen und Beschrieben 
1860 : i-ix, 1-192; Pis. 1-27 [174] 
German translation of Philippi 1860a 
Phipps, Clarence Ritchie 
1930a Blueberry and huckleberry insects. Maine Agr. Expt. Sta. Bui. 
356: 107-232; Figs. 15-24 
Economics of various species of Homoptera 
Pickard-Cambridge, Octavius 
1896a Brockenhurst revisited. Entomologist 29: 146-150 
Lists Cicada haematodes from this region 
Pickwell, Gayle 
1939 See Duncan and Pickwell 1939a 
Pidgeon, Edward 
1832 See Griffith and Pidgeon 1832a 
Pierantoni, Umberto 
1910a Ulteriori osservazioni sulla sjmbiosi ereditaria degli Omotteri. 
Zool. Anz. 36: 96-111 
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