THE CICADOIDEA 
151 
stalten und fur Alle welche sieh wissenschaftlich mit der Natur- 
geschichte der Thiere beschaftigen wollen. Dritte, Auflage 2: i-xvi, 
1-1231; Figs. 1-11(50 [462-467; Figs. 394-398] 
Ke ys genera with descriptions of common genera and species 
Luff, W. A. 
1893a The Cicadae or Tettigidae of Guernsey. Guernsey Soc. Nat. Sci. 
Rpt. Trans. 1892: 205-209 
Lists 41 species 
Lugger, Otto 
1900a Sub-order Homoptera in Bugs injurious to our cultivated plants. 
Minn. Agr. Expt. Sta. Bui. 69: 1-259; Pis. I-XVI; Text figs. 1-200 
[97-137; Pis. III-IX; Text figs. 98-128] 
Keys to families with notes on common species 
Luh, Nien-tsin 
1936a Ueber die Inspection nach Elern der Citrusschaedlinge: Ricania 
specullum Walk. (Horn. Fulgor.) in Hwangyen von Chekiang. Ent. 
and Phytopath. 4: 176-177 
Luigioni, Paolo 
L929a Subordo Homoptera in Primo contributo alia conoscenza della fauna 
entomologica del Parco Nazionale d’Abruzzo. Emitteri. Atti 
Pontificia Accad. Sci. Nuovi Lincei 82: 201-220 [217-220] Separate 
paged 3-22 
List of species 
-Aitz, Frank Eugene 
918a Homoptera. Field book of insects with special reference to those of 
Northeastern United States aiming to answer common questions 
1918: i-ix, 1-509; Pis. 1-101 [80-86; Pis. 22-23] 
Key to families with notes on common species 
921a Field book of insects with special reference to those of Northeastern 
United States, aiming to answer common questions. Second edition 
1921: i-ix, 1-562; Pis. I-CI; Text figs. 1-19 [80-86; Pis. XXII- 
XXIII] 
Revised edition of Lutz 1918a 
924a Insect sounds. Amer. Mus. Nat. Hist. Bui. 50: 333-372 
941a A Lot of Insects. Entomology in a Suburban Garden 1941: 1-304; 
illustr. [55-59] 
948a Field Book of Insects of the United States and Canada, Aiming to 
Answer Common Questions. Third ed. 1948: 1-510; Pis. 1-100 
[73-79; Pis. 16, 81] 
