44 Psyche [April-June 



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ABBRE\^ATIONS. 



For list of abbreviations employed in the labeling of the figures 

 used to illustrate the present paper, see page 32. 



Explanation of Plate IV. 

 Fig. 10. Lateral view of terminal abdominal structures of the 



tipulid Dipteron Bitiacomorpha sp. 

 Fig. 11. Lateral view of terminal structures of the ephemerid 



Blasturus cupidus. 

 Fig. 12. Same of the Blattid Cryptocercus punctulatus. 

 Fig. 13. Same of the Lepidopteron Eriocrania calthella. 

 Fig. 14. Same of the psyllid Homopteron Psylla sp. 

 Fig. 15. Same of the Trichopteron Philopotamus disiinctus. 

 Fig. 16. Same of the fulgorid Homopteron Ormenis pruinosa. 

 Fig. 17. Same of the sawfly Sirex edivardsii. 

 Fig. 18. Same of the Strepsipteron Xenos pallidus. 

 Fig. 19. Same of the Mecopteron Boreus nivoriundus. 

 Fig. 20. Same of the Neuropteron Nymphes myrmeleonides. 

 Fig. 21. Same of the Mecopteron Bittacus pilicornis. 



