32 TIPUL1DAE. 



gracilis Wiedemann, Auss. Zw. I, 28, 8 (Linmobia; description repro- 

 duced in Monogr. etc. IV, Appendix). - - Pennsylvania. 



*imbecilla 0. Sacken, Proc. Acad. Nat. Sc. Phil. 1859, 237; Mon. etc. 

 IV, 213. - Maryland-, New York. 



*inornata 0. Sacken, Mon. etc. IV, 20; see also Additions at the end 

 of Mon. Vol. III. - - Massachusetts ; Tarrytown, N. York. 



*lenta 0. Sacken, Proc. Acad. Nat. Sc. Phil. 1859, 241; Mon. etc. IV, 

 231. - - Middle States. 



*luteipeimis 0. Sacken, Proc. Acad. Nat Sc Phil. 1859, 236; Mon. etc. 

 217; Tab. II, f. 10, wing; Tab. IV, f. 25, forceps. - United 

 States and Canada (Quebec); California. 

 (?) Limttobia biter minata Walker, Dipt. Saund. 437. 



*macrocera Say, Journ. Acad. Nat. Sc. Phil. Ill, 20, 2. (Limnobia); Compl. 

 \Vr. II, 46; Wiedemann, Auss. Zw. 1, 34, 19. (id.); Macquart, 

 Hist. Nat. Dipt. I, 108,2 (Cylindrotoma) ; 0. Sacken, Proc. Acad. 

 Nat. Sc. Phil. 1859, 234 (Lafiiomastix) ; Mon. etc. IV, 204. - 

 United States and Canada (Quebec). 



"montana 0. Sacken, Proc. Acad. Nat. Sc Phil. 1859. 240 (Dachjlolabi?) ; 

 Mon. etc. IV, 227 ; Tab. II, f. 7, wing; Tab. IV, fig 2ti, forceps. - 

 United States and Canada (.Quebec ; California. 



*munda 0. Sacken, Monogr. etc. IV, 226. White Mts. N. H.; Canada 

 (Quebec). 



*niveitarsis 0. Sacken, Mon. etc. IV, 209. - - Delaware; Maryland. 



*poetica 0. Sacken, Mon. etc. IV, 207. -- Massachusetts. 



*quadrata 0. Sacken, Proc. Acad. Nat. Sc. Phil. 1859, 241; Mon. etc. 

 230, Tab II, f. 9, wing. - - United States and Canada (Quebec.) 



* recomlita 0. Sacken, Mon. etc. IV, 212. New York ; Pennsylvania ; 



Georgia. 

 "rnfibasis 0. Sacken, Proc. Ac. N. Sc. Phil. 1859, 239, (Pi-ionolabis) : 



Mon. etc. IV, 225; Tab. II, f. 3, wing; Tab. IV, f. 27, forceps. - 



Distr. Columbia ; New York ; Mass. 



*temricornis 0. Sacken, Mon. etc IV, 208. - - White Mts., N. H. 

 *teimipes Say, Journ. Acad. Nat. Sc. Phil. Ill, 21, 3; Compl. Wr. II, 46 



(Limnobia); 0. Sacken, Proc. Acal Nat. Sc. Phil. 1859,235; Mon. 



etc. IV, 210. - - U. States; Canada (Quebec). 

 Limnobia humeral is Wiedemann aion Say), Auss. Zw. I, 34. ( S3 ). 

 *toxoneura 0. Sacken, Proc. Acad. Nat. Sc. Phil. 1859, 236; Mon. etc. 



IV, 213. - - N. York. 

 "ultima 0. Sacken, Proc. Acad. Nat. Sc. Phil. 1859, 238, Mon. etc, IV, 



222; Tab. IV, f. 24, forceps. -- Distr. Columbia; Maine; Canad.i 



(Quebec) and farther North, as far as Alaska. 



* umca 0. Sacken, Mon. IV. 205. White Mts., N. H. 



*damula 0. Sacken, Western Diptera, 201. San Bernardino, Cal. 

 nebulosa Bellardi, Saggio etc. I, 6; Tab. I, f. 4, wing (Tipida). - 



Mexico. 

 undulata Bellardi, Saggio etc. Append., 3, Tab. I, f. 2. Mexico. 



