XIV 



LIST OF ILLUSTRATIONS. 



Page. 



Figure showing the dorsal spurs, apical calcars, and ventral spines of a typical 



hind tibia 656 



Tripidischia xanthostoma. Cross section of hind tibia 658 



Diestrammena marmorata. Hind tibia and tarsus, outer side 660 



Gammarotettix bilobatus. Last dorsal segment of the abdomen and the cerci of 



the male 663 



Gammarotettix bilobatus. Subgenital plate of the female 663 



Gammarotettix bilobatus. Hind tarsus 663 



Gammarotettix genitalis. Last dorsal segment of the abdomen and the cerci of 



the male type 663 



Gammarotettix genitalis. Subgenital plate of the female type 664 



Ceuthophilus nodulosus. Hind leg of male type 667 



Ceuthophilus nodulosus. End of the abdomen of the male type 668 



Pristoceuthophilu^ celatiis. Head, showing the vertical horn 671 



Pristoceutlwphilus celatus. Hind leg of adult male 672 



Pristoceuthophilus celatus. Cercus of adult male 672 



Pristoceuthophilus celatus. Cercus of immature male type 672 



Pristoceuthophilus tuberculatum. Dorsum of abdomen of adult male type 673 



Pristoceuthophilus tuberculatus. Hind leg of male type 673 



Pristoceuthophilus cercalis. Cerci of adult male type 674 



Pristoceuthophilus marmoratus. Hind leg 675 



Pristoceuthophilus pacificus. Hind leg of male type 676 



Pristoceuthophilus pacificus. Hind leg of male in the Scudder collection 676 



Phrixocnemis longispinosus . Adult female 678 



Phrixocnemis truculentus. Hind leg of male type 680 



Phrixocnemis neom^xicanus. Hind tibia and tarsus of male type, inner side 683 



Rhachocnemis hostiferus. Hind tibia and tarsus of female type, inner side 684 



Daihinia brevipes. Hind tibia and tarsus of female, inner side 685 



Daihinia phrixocnemoides . Female type 686 



Hemiudeopsylla cali/orniana. Adult female type 689 



Hemiudeopsylla platyceps. Hind tibia and tarsus of male type 689 



