232 
General Catalogue of the Homoptera 
Lallemand 1933c: 199 [Notes] 
Imms 1934a: 374 [Listed] 
Metcalf and Horton 1934a: 369 [Catalogued] :370 
Equals Cercopis Fabr. [in part.] 
Paoli 1934a: 82 [Comparative note] 
Schulze, Kiikenthal, and Heider 1934a: 2630 [Cata¬ 
logued] 
Silvestri 1934a: 330 [Key] 
Haupt 1935a: 153 [Comparative note] :155 [Key] 
:157 [Listed] 
Karl 1935a: 135 [List of species from Pomerania] 
Osborn 1935a: 126 [Notes] :127 [Catalogued] 
Wagner 1935a: 10 [Listed] 
Lallemand 1936a: 264 [Comparative note] 
Lindberg and Zachvatkin 1936a: 9 [A new species 
from China] 
Pierantoni 1936a: 147 [Symbionts] 
Kuntze 1937a: 357 [Ecology of species from Meck¬ 
lenburg] 
Kuntze 1937b: 23 [Ecology of species from Mecklen¬ 
burg] 
Pflugfelder 1937a: 14 [Morphology of nervous sys¬ 
tem] 
Beier 1938a: 2300 [Morphology of digestive system] 
Brimley 1938a: 87 [List of species from North 
Carolina] 
China 1938b: 193 [List of species from Great Brit¬ 
ain] 
Kontkanen 1938a: 28 [Ecology of species from 
Finland] 
Procter 1938a: 83 [List of species from Mount 
Desert Island] 
Weber 1938a: 436; Fig. 409d [Morphology of 
tracheal system, illustrated] :658 [Listed] 
Wagner 1939a: 133 Equals Ptyelus Le P. and Serv. 
[in part.] 
Buchner 1940a: 277 (23), 329 (75), 335 (81) [Sym¬ 
bionts] 
Matsumura 1940a: 38 [Key] 
Muller 1940a: 210 [Symbionts] 
Neave 1940a: 707 [Catalogued] 
Lindberg 1941b: 20 [List of species from the Azores] 
