TABLE OF CONTEXTS. 



ON THE NORTH AMERICAN TIPULIDJE. 



PAG?. 



iii 

 1 



Preface 



Introduction 



1. Characters of the family Tipulidse ..... 1 



2. On the larvae of the Tipulidse 2 



3. Historical account of the classification of the Tipulidse . . , 7 



4. Division of the Tipulidse in longipalpi and brevipalpi . . 17 



5. Distribution of the Tipulidse in sections .... 21 



6. General remarks on the structure of the Tipulidse brevipalpi 26 



7. Comparison of the North American with the European fauna 



of Tipulidse brevipalpi ....... 35 



8. On the North American species of Tipulidse brevipalpi previ- 



ously described 39 



Table for determining the genera 44 



Systematic distribution of the genera of Tipulidse .... 49 



Section I. LIMNOBINA . 



Gen. I. DlCKANOMYIA . 



1. longipennis Schum. % . 



2. immodesta 0. S. % . 9 



3. gladiator 0. S. £ . 9 



4. diversa 0. S. %.$ 



5. pudica 0. S. %.$ 



6. rostrifera, n. sp. % . 9 



7. brevivena, n. sp. % . ' 



8. floridana, n. sp. % . 9 



9. distans 0. S. %.$ 



10. stulta 0. S. % . 9 



11. libprta 0. S. %.? 



12. haeretica, n. sp. % . 9 



13. halterata, n. sp. £ 



14. badia Walk. % . 9 



PAGE 



51 



53 

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PAOE 



73 

 73 

 74 

 75 



76 



15. morioides 0. S. %.<£ . 



16. pubipeunis 0. S. %.$ 



17. globithorax, n. sp. £ . 9 



18. rara, n. sp. 9 



19. defuncta 0. S. % . 9 . 



20. marmorata 0. S. £ 



(California) 77 



Gen. II. Geraxomyia . . 78 



1. rostrata Say, £.9 . 79 



2. diversa 0. S. % . 9 . 80 



3. canadensis Wcstw. % . 9 80 



Gen. III. Rhipidta . . 81 



1. maculata Meig. £.9 • £2 



2. fidelis 0. S. % . 9 . 83 



3. domestica 0. S. % . 9 . 84 



( vii ) 



