LIST OF HOMOPTEROUS INSECTS. 299 



Genus TOXOPTERA. 

 Toxoptera, Koch^ Pflanzenl. 253. 



1. Toxoptera Cameli^. 



Toxoptera Aurautia?, Koch, Pflanzenl. 254, 1, pi. 46, f. 329, 330. 

 Aphis Canieliae, Cat. Horn. 1006, 



Genus THELAXES, Cat. Horn. p. 1052. 

 1. Thelaxes dryophila, Cat. Horn. p. 1052. 

 Vacuna dryophila, Koch, Pfanzenl. 256, 1, pi. 46, f. 331— 334. 



Genus GLYPHINA. 



Glyphina, Koch, Pflanzenl. 259. 

 Thelaxes, p.. Cat, Horn. 1052. 



1. Glyphina BETULiE.' 



Glyphina Betulae, Koch, Pflanzenl. 260, 1, pi. 47, f. 325, 326. 

 Thelaxes Betulae, Cat. Horn. 1052. 



Genus SCHIZONEURA, Cat. Horn. p. 1047. 



SCHIZONEURA UlML 



Schizoneura Ulmi, Koch, Pflanzenl. 262, 1, pi. 47, f. 337, 338. 

 Cat. Horn. 1049. 



2. Schizoneura lanuginosa. 



Schizoneura lanuginosa, Koch, Pflanzenl. 264, 2, pi. 47, f. 339, 

 340. Cat. Horn. 1048. 



3. Schizoneura compeessa. 



Schizoneura compressa, Koch, Pflanzenl. 267, 3, pi. 48, f. 341, 

 342, 

 On Ulmus. 



