4 Capt. Blakiston on Birds collected and observed 



29. Sayornis sayus. No. 79. Plains of Saskatchewan, 

 May 4th, 1858. 



30. Empidonax pusillus. No. 122 J . Forks of Saskat- 

 chewan, May 27th, 1858. 



31. TuRDUS swAixsoNii. No. 99. Forks of Saskatchewan, 

 May 19th, 1858. 



32. TuRDUs MiGRATORius. No. 75 d . Forks of Saskat- 

 chewan, April 24th, 1858. Eggs also obtained. 



33. Anthus ludovicianus. No. 104 $ . Forks of Saskat- 

 chewan, May 18th, 1858. 



No. 159 c? . Base of Rocky Mountains, 49° north, Sept. 9th, 

 1858. 



34. Neocorys sPRAGUii. No. 82 6 . Forks of Saskat- 

 chewan, May 7th, 1858. 



Common on the Plains of Saskatchewan. 



35. Helminthophaga celata. No. 110 J. Forks of Sas- 

 katchewan, May 21st, 1858. 



36. Helminthophaga peregrina. Nos. 124 $, 125 S- 

 Lower Saskatchewan, May 27th, 1858. 



37. Seiurus NOVEBORACENSis. No. 115$. Forks of Sas- 

 katchewan, May 22nd, 1858. 



38. Dendroica striata. No. 98 S - Forks of Saskatche- 

 wan, May 15th, 1858. 



39. Dendroica estiva. No. 120 d . Forks of Saskatche- 

 wan, May 26th, 1858. 



40. Setophaga ruticilla. No. 127 d . Forks of Saskat- 

 chewan, May 27th, 1858. 



41. HiRUNDO bicolor. No. 102 d. Forks of Saskatche- 

 wan, May 17th, 1858. 



42. Cotyle riparia. Specimen and eggs obtained by 

 M. Bourgeau, Saskatchewan Plains, summer 1858. 



43. Progne purpurea. No. 94. Forks of Saskatchewan, 

 May 11th, 1858. 



