LIST OF DIPTERA. 33 



Psychoda sex-punctata, Curt. Brit, Ent. 745. 

 a. England. From Mr. Walker's collection. 



Psychoda trifasciata, Latr. Gen. Crust, iv. 251. Meig. Dipt. i. 

 105, 3. Macq. Hist. Nat. Dipt. i. 165, 3. Trichoptera trifas- 

 ciata, Meig. Klass. Zweif. i. 44, 3, t. 11, /. 20. 



a. England. From Mr. Walker's collection. 



Psychoda canescens, Meig. Dipt. i. 106, 5. Macq. Hist. Nat. Dipt. 

 i. 165, 5. Trichoptera canescens, Meig. Klass. Zweif. i. 45, 5. 

 a. England. 



Psychoda phalaenoides, Fair. Syst. Antl. 49, 1. Lam. Anim. sans 

 Verteb. iii. 441, 1. Latr. Gen. Crust, iv. 251. Cons. Gen. 442. 

 Meig. Dipt. i. 104, 1. Bouche, Nat. Ins. 1 834, S. 28, 7. Macq. 

 Dipt. Nord. i. 166, 1. Hist. Nat. Dipt. i. 164, 1, pi. 4, /. 12, 

 13. Zett. Ins. Lapp. 824, 1. Gim. Bull. Soc. Imp. Nat. 

 Mosc. vii. 421, xv. 642—1846, iii. 15, 1. Blanch. Hist. Nat. 

 An. Art. iii. 575. Tipula phalasnoides, Linn. Syst. Nat. ii. 

 977, 47. Faun. Suec. 1771. Fabr. Spec. Ins. ii. 411, 62. 

 Mant. Ins. ii. 327, 73. Ent. Syst. iv. 251, 85. Schrank. Ins. 

 Austr. 883. Faun. Boic. iii. 2349. Deg. Ins. vi. 158, 30, t. 

 27, /. 6—9. Geoff. Ins. ii. 572, 5. Berk. Syn. Nat. Hist. i. 

 162. Stew. El. Nat. Hist. ii. 253. Turt. iii. 595. Tri- 

 choptera phalaenoides, Meig. Klass. Zweif. i. 43, 1. 



a. England. 



Psychoda nervosa, Meig. Dipt. i. 106, 6. Macq. Hist. Nat. Dipt. 

 i. 165, 7. Gim. Bull. Soc. Imp. Nat. Mosc. iv. 344, vii. 421, 

 xv. 642—1846, iii. 16, 2. Perris, Ann. Sci. Nat. 2de Serie, 

 xiii. 346, pi. 6, B. fig. 1 — 5. Blanch. Hist. Nat. An. Art. iii. 

 575. Tipula nervosa, Schrank. Faun. Boic. iii. 2350. 



Psychoda degenera, n. s. P. nervosae simillima, at paullo minor 

 antennisque obscurioribus. 



This species much resembles P. nervosa, but it is smaller, rather 

 more hairy, and the colour of the feelers is more dull. Length of 

 the body § line ; of the wings 1 J line. 



a. St. Martin's Falls, Albany River, Hudson's Bay. Presented by 

 G. Barnston, Esq. 



