_XVI LIST OF ILLUSTEATIONS. 



Page. 



AlKlniuen of ((/) Synklotm ritteri and of (h) S. conaolUMa 665 



Jaiiiropxix kinraidi 6b5 



Maxilliped of Janiropsi>< kinraidi 665 



Last thoracic segment, abdomen, and uro])0<la of Janirop^is kinraidi 665 



Uropod of Janimpxis kinraidi - 6bb 



Janiropsis kinraidi; a, middle piece of male opercnhnn; }>, lateral plate of male 



operculum ; r, second pleopod of male 666 



Janiropsis kinraidi: a, leg of first pair; b, leg of second i>air 666 



Anterior part of body of Janiropsis caUfornica 667 



Posterior part of body of Janiropsis cahfornica 667 



Ascfliis timialensis 668 



Mandible of AxrJInx tnmalensis - 669 



Leg of first pair of Asellus tomalensis 669 



Head and first thoracic segment of Tridtonixras papillirornis 670 



Trichoniscus papillicornis 670 



ITropod and last segment of abdomen of Trirhonisrns jiapillironns 671 



Uropod of left side of Trichoniscus papillicornis 671 



Leg of first pair of Trichoniscus papiUicornis 671 



^'Ega quadralasiniis 673 



Frontal lamina and peduncles of both pairs of antennte of -7s'(/(( (putdratasinus. 673 



Terminal segment with uropoda of ^Ef/o quadratasinus 673 



Leg of third pair of .Ega, quadr<(tasinus 674 



Rocinda hau-aiiensis 675 



Leg of second pair of Rocinela hawaiienxis 675 



Young male of Cymothoa recta 676 



Zonophryxus retrodens: «, dorsal view ; b, ventral view 678 



INIaxillified of Zonophryxus retrodens 678 



First lamella of marsupium of Zonophryxus retrudms 678 



Zonophryxus retrodens, male 679 



Entophilus omnitectus: a, dorsal view; h, ventral view; r, lateral view 680 



Maxilliped of Entophilus omnitectus 680 



Leg of fifth pair with fifth lamella of marsupium attached, and fifth "lame 



pleurale ' ' of Entophilus oinnitectus 680 



One doi\ble-branched pleopod of Entophilus omnitectus 681 



First lamella of marsupium of Entophilus omnitectus 681 



Entophilus omnitectus, male: a, dorsal view; b, ventral view 681 



Divided median tooth of middle lobe of nymphal labium: a; in Cordulegaster 



diadenut; b, in C. dorsalis 697 



End of abdomen of nymph of Dythemis fugax f from above 700 



Labium of nymph of Orthemis ferruginea, from within 703 



End of abdomen of nymph of Micrathyria pallida, from above 710 



Terminal alxlominal appendages of the male of Micrathyria p(dlida 711 



Genital hanmle and lobe of male of Micrathyria pallida 711 



Caudal gill lamelUe of nymph of Telagrion dxcMi, from the side 716 



Middle gill lamella of nymph of Telebasis salra 716 



Labium of nymiAi ni Hesperagrion heterodoxum, the lateral lobe of the same, 



more enlarged ^ 717 



Middle gill lamella of nymph of Hesperagrion heterodoxum 718 



Middle gill lamella of nymph of Leptobasix sp.? from Port(j Ric(j 718 



Haploplus evadne, female 950 



Hi'ad of Haploplus evadne 951 



Jfetliaxtus sumichrasti, var. subrosea, male 952 



Pinna of Ooniophlebium pringlei 954 



Photomicrograph of olivine in graphitic troilite area 956 



