xlvi CONTENTS OF VOL. II. 



Page. 



Order IV. Neuroptera. 



a. Anntenae about the length of the head. 



Libelluladse, Ephemera dae. . .575 



b. Antennae longer than the head. Panorpadae, Myr- 



melionidce, Termesidae, Hemerobiadae, Perladae, 575 



Order V. Trichoptera. 



Leptoceridae, Phryganidae, 576 



Order VI. Hymenoptera. 



1. Hymenoptera terebrantia. Chrysidae, Oxyuridae, 

 Ichneumonidae, Evaniadae, Cynipsidae, Diplolepi- 

 dse, Sirexidae, Tenthredadae. 576 



2. Hymenoptera aculeata. Formicadae, Mutilladae, 

 Scoliadae, Sphexidae, Masaridae, Vespadae, Apidae, 

 Systropha, Andrenadae. - 577 



Order VII. Strepsiptera. 

 Stylops, Zenos. 479 



II. Insecta Haustellata. 



Page. 

 Order I. HEMIPTERA. 



1. Hemiptera heteroptera. a. Terrestrial, as Pentato- 

 madae, Coreidae, Reduviadae, Acanthidae. b. 

 Aquatic, as Hydrometridae, Nepadae, Notonectadae. 580 



b. Hemiptera homoptera. Cicadiadae, Fulgoradae, 



Cercopidae, Aphisidae, Coccidae, . . 581 



