748 BULLETIN UNITED STATES GEOLOGICAL SURVEY. [^oLV. 



1869. EULER, C. Notes on the Brazilian species of Strigidfe. <J. f. 0., xTii,1869, 



pp. 242-249. 

 1869. GUNN,T.E. Early Nesting of the Bam Owl in Norfolk. < Zoologist, 2 A ,Br., it, 



1869, p. 1721. 



1869 HtJGEL,A.DE. Snowy Owl in Ross-shire. <Zoo%is*, 2d ser., iv, 1869, p. 1863. 



1869. LlNi>EN, C.S. Nyctale albifrons [i.e., N. acadica juv.]. <Am.Nat.,in, 1869, 



p. 556. 

 Capture of an individual at Buffalo, Kew York. 



1870 ANON. Nos Hihoux. <iNaturalisU Canadien, ii, 1870, pp. 197-206, pi. i. 



Sur les StrigidK du Canada. PI. I, SyrniMm nebulosum (d'aprfes Audub.). 



1870. CLiETON, Lord. Supposed [entirely uncertain] Occurrence of the American 



Mottled Owl [Scops] at Cobham, Kent. < Zoologist, 2d ser., v, 1870, p. 2138. 

 1870. Clifton, Lord. Supposed Occurrence of Strix asio in Kent. <^ Zoologist, 2d. 

 ser., V, 1870, p. 2343. 

 Keafflrmed. 

 1870 GuRxXEY, J. H. Supposed Occurrence of the American Mottled Owl [Scops 

 asio]'in Kent. < Zoologist, 2d ser., t, 1870, p. 2221. 

 Leaves it open. 

 1870. Hadfield, H. Supposed Occurrence of the American Mottled Owl [Scops 

 asio] in Kent. < Zoologist, 2d ser., v, 1870, p. 2181. 

 Doubtful. 

 1870. Hadfield, H. Supposed Occurrence of Strix asio in Kent. < Zoologist, 2d ser., 



Y, 1870, p. 2382. 

 Criticises his lordsMp severely. Editor interferes to stay further proceedings. 

 1870. Hawkins, H. S. [On the nesting of Nyctea nivea in Labrador.] <ms, 2d 

 ser.,vi, 1870, p. 298. 



1870. Streets, T. H. [On asymmetry in the skull of an owl.] <^ Proc. Acad. Nat. 



Sci. PMla., 1870, p. 73. 



1871. Anon. Hiboux [se montrent tr^s communs h Quebec]. <^Naturaliste Cana- 



dien, iii, 1871, p. 28. 

 1871. ASHBY, R. Snowy Owl in County Mayo. < Zoologist, 2d ser., vi, 1871, p. 2765. 

 1871. Clifton, Lord. Note on the aUeged Identity of the American Red Owl [Scops 



asio] with the Mottled Owl [Scops asio]. <_Zoologist, 2d ser., vi, 1871, p. 



26Q6. 

 Returns to the charge with a flank movement. 

 1871. Colle'tt, R. On the Asymmetry of the Skull in Strix tengmalmi. < P. Z. S., 



xxxvi, 1871, pp. 739-743, woodcc. 

 1871. Hadfield, H. Mottled and Red Owl [Scops asio]. <^Zoologist, 2d ser. , vi, 1871, 



pp. 2680, 2681. 

 Mank movement ineffectual ; charge resumed. Editor dismisses both belligerents forever. 



1871. Kessler, G. Die Schnee-Eule [Nyctea nivea] auf Hiddens-Oee erlegt. < J". 



/. 0., xix, 1871, p.224. 



1871. Verrill, a. E. Occurrence of Kirtland's Owl [Nyctale "albifrons," i.e., N. 



acadica juv.] in Maine. < Am. Nat., v, 1871, p. 119. 



1872. CoLLETT, R. Om Kraniets Assymetri hos Nyctala tengmalmi. < Vidensk. Selslc. 



Forh. Christ., 1872, pp. 68-73, woodcc. 

 Mainly a translation of his paper in P. Z. S., 1871, p. 739. 

 1872. COUES, E. A New Bird [Glaucidium ferrugineum] to the United States. <^Am. 



Nat., vi, 1872, p. 370. 

 1872. Elliot, D. G. On Nyctale kirtlandi. < lUs, 3d ser., ii, 1872, pp. 48-52. 



Identifies it with N. tengmalmi ; fuU synonymy and description. But c/. Bidgway, Am. 

 Nat., 1872, pp. 283-285. 



