LIST OF ILLUSTRATIONS. XIII 



Page. 



Oeratosaurus nasicorms. Inner face of left mandible. I. angular; 2, supra- 

 angular; 3, articular; 4, splenial; 5, dentary 362 



Venation of Uscodys ccstalis 368 



rwo views of head structure of Uscodys ccstalis. 368 



Venation of fore wing of Surattha santella 371 



Venation of Eugrotea yarapai 378 



venation of Eu/crnaldia argenteonervclla 385 



dead of Eu/crnaldia argenteonervella 386 



dead and enlarged antenna of Thaumatopsis coloradella 387 



dead and enlarged antenna of Thaumatopsis gibsonella 388 



dead and enlarged antenna of Thaumatopsis atomosella 389 



dead and enlarged antenna of Thaumatopsis crenulatella 390 



dead and enlarged antenna of Thaumatopsis repanda 390 



dead and enlarged antenna of Thaumatopsis pexella 391 



Venation of Diatrsea parallela 392 



dead and palpi of Diatrxa parallela 392 



\nusia antillarum. Lateral view of type 395 



biusia antillarum. .Dorsal view of head and pronotum 396 



"roctolabus bullatus. Lateral view of type 397 



°roctolabus bullatus. Dorsal view of head and pronotum 398 



D roctolabus bullatus. Dorsal view of apex of abdomen 398 



3athygnathia curvirostris 484 



Sathygnathia curvirostris. Mandible 484 



3athygnathia curvirostris. First leg of male 484 



inathia m ultispinis 486 



Unathia multispinis . Mandible 486 



Inathia serrata 4S7 



Unathia serrata. Underside of anterior portion of head 487 



Vibilia californica. Head and antennae; first gnathopod; second gnathopod; 



first peneopod; fourth perseopod 4!U 



Vibilia californica. Uropods and telson; fifth peru?opod 4!) 1 



)rchomenella affirm. First antenna; first peraopod; fifth perteopod; first 



uropod 493 



Jrchomenella affinis. Third segment of the abdomen; first gnathopod; second 



gnathopod ; second maxilla; telson ; third uropod 493 



Valettiopsis dentatus. First antenna; second antenna; fourth segment of the 

 abdomen; mandible; first maxilla; second maxilla; maxilliped; telson; 



third uropod 494 



Valettio psis dentatus . First gnathopod; second gnathopod 495 



Tryphosa cceca. First antenna; third segment of the abdomen; fourth segment 



of the abdomen ; mandible; maxilliped; first perteopod 4!)(> 



Tryphosa cceca. First gnathopod ; second gnathopod 497 



jdkota carinata. Third abdominal segment; first gnathopod; second gnatho- 

 pod; mandible; maxilliped; telson; second uropod; third uropod I!)!) 



^copelocheirus ccecus 500 



■Icopelocheirus cacus. First gnathopod; lower lip; mandible; first maxilla; 



second maxilla; maxilliped; telson; first uropod; third uropod 501 



Icopelocheirus caucus. First antenna; second antenna; second gnathopod; first 



perseopod 501 



Koroga megalops. Third segment of the abdomen; fourth segment of the 

 abdomen; left mandible; first gnathopod; second gnathopod; first maxilla; 



second maxilla; maxilliped ; telson ; third uropod 504 



