242 PUBLICATIONS OF SPENCER F. BAIRD. 



1874. Baird, Spencer V., T. M. Brewer, and R. Ridgway— Co?atiauecl. 



Nyctale acadica, Bonap Ill (cuts, pp. 39, 44) 43 



Siopg Sa^ .'pny Ill 47 



Scops asio, Bonap Ill (cuts, pp. 49, 51, 98, 99, 100, 101) 49 



Scops asio, -van: Jloridana, Ridgway HI 51 



Scops asio, var. maccalU, Caas Ill 52 



Scops asio, var. kennicotti, Elliott Ill (cut, p. 55) 53 



Scops Jlammeola, Licht Ill (cut, p. 59) 59 



Bubo, Dum Ill 60 



Bubo virginianvs, vv.r. virffiiuamts, Bonap. . Ill (cut.s, pp. C2, 03, 06, 9S, 99, 100. 



101) 62 



Bubo virginianus, var. arcticus. Swains Ill 64 



Bubo virginianus, var. pacifieus, Cass Ill 65 



Nyctea scandiaca, var. arctica. Gray Ill (cut, p. 71) 71 



Surnia, Dumeril Ill 74 



Suniia ulula, var. hudsonia, (Gmolin) III (cuts, pp. 97, 98, 99, 100, 101, 102) 75 



Glaucidium, Boie Ill 79 



Glaucidium passerinum, var. californicum, Sclater Ill (cuts, pp. 80, 83) 81 



Glaucidium ferrugineum, Kaup Ill (cuts, pp. 98, 99, 100, 101) 85 



Micrathene, Coues Ill 86 



Micrathene whitneyi, Coues Ill (cuts, pp. 86, 88) 87 



Speotyto, Gloger Ill 88 



Speotyto cunieularia, var. Aypof^cca,, Bonap. lU (cuts, pp. 89, 93, 98, 99, 100, 101) 90 



Family Falconidce Ill 103 



Subfamily Falconince Ill 106 



Falco, Auct HI (cut, p. 106) 106 



Falco (Hierofalco) gyrfalco, var. candicans, Gmelin Ill (cut, p. 112) 111 



Falco (Hierofalco) gyrfalco, var. islandicus, Sabine Ill (cut, p. 114) 113 



Falco (Hierofalco) gyrfalco, var. sacer, Fo-ster Ill (cut, p. 110) 115 



Falco ( Hierofalco) gyrfalco, var. labradora, Audubon HI 117 



Falco lanarius, var. polyagrus, Cassin Ill (cuts, pp. 110, 124) 123 



Falco communis, var. anatum, Bonap HI 132 



Falco cominunis, var. pealei, Kidgway. Ill 137 



Falco (^salon) lithofalco, var. columbarius, Linn Ill (cut, p. 146) 144 



Falco (JEsalon) lithofalco, var. suckleyi, Kidgway Ill 147 



Falco (Jisalon) lithofalco, xar. richardsoni, Ridgway Ill 148 



• Falco (Rhynchofalco) femoralis Temminck ^ Ill (cuts, pp. 154, 155, 157) 155 



Falco (Tinnunculus) sparveriu var. sparverius, Linn . .Ill (cuts, pp. 159, 173) 169 



Falco (Tinnunculus) sparveri ;, var. isabellinus, Swainson Ill 171 



Polyborus, Vieillot Ill 176 



Polyborus tharus, -vat. audul ni, Cassin Ill (cuts, pp. 176, 179) 178 



Pandion, Savigny Ill 182 



Pandion halicetus, var. care Mensis, Giuol HI (cut.s, pp. 185, 187) 184 



Nauclertis, Yigora HI 190 



Nauclerus forficatus, (Linn.) Ridgway HI (cuts, pp. 191, 193) 193 



Elanus, Savigny HI 196 



Manns leucurus, Vieillot HI (cuts, pp. 196, 200) 198 



Ictinia, VieiUot. IH 202 



Ictinia mississippicnsis, "Wilson IH (cuts, pp. 202, 205) 203 



Rostrhamus, Lesson IH 207 



Kostrhamus sociabilis, var. plumbeus, Ridgway Ill (cuts, pp. 208, 211) 209 



Circus, Lacopede HI 212 



Circus cyaneus, var. hudsonius, Linn HI (cuts, pp. 212, 217) 214 



msus,Cuyiov IH 220 



Subgenus MsMS, Cuvier IH 222 



Nisus fusctis, (Gmel.) Kaup HI (cuts, pp. 222, 223, 227) 224 



Kisus cooperi, var. cooperi, Bonap IH (cuts, pp. 222, 223, 233) 23o 



Nisus cooperi, var. mexicanus, Swainson HI 230 



Subgenus A»«Mr HI 236 



Astur 2>alumbarius, var. atricapillus, WHa Ill (cuts, pp. 236, 241) 237 



Asturina, Vieillot HI 244 



Astxirina nitida, var. plagiata, Schleg Ill (cuts, pp. 244, 247) 246 



"Antenor, Ridgwaj' HI 248 



A7itcnor unicinctus, var. harrisi, Ridgway IH (cuts, pp. 248, 251) 250 



Onychotes, Ridgway ■. HI 252 



Onychotcs gruberi Ridgway IH (cuts, pp. 252, 254) 251 



