BUBONID^. — CLV. 263 



Jate brown, striped with white ; below white, striped with brown. 

 L. 10. W. 7\. T. 41 Northern regions, S. to N. U. S. ; the 

 American var. richardsoni Bonaparte, is larger and darker. (Eu.^ 

 (To P. G. Tengmalm, a Swedish naturalist.) 



832. N. acadica (Gmelin). Saw-whet Owl. Bill black ; cere 

 tumid ; nostrils nearly circular, opening anteriorly. Color similar, 

 less white above, more reddish below. L. 8. W. 5|. T. 2|. N. 

 Amer., rather northerly. 



433. MEGASCOPS Kaup. {fiiyas, great ; ctkcov//-, screech-owl.) 



833. M. asio (L.). Screech Owl. Red Owl. Grayish, 

 streaked and barred, or else with the grayish replaced by bright 

 reddish ; these two different styles of plumage about equally com- 

 mon and bearing no relation to age, sex, or season. L. 10. W. 7. 

 T. 3^. N. Am., abundant ; our commonest owl. 



434. BUBO Dumeril. (Lat., horned owl.) 



834. B. virginianus (Gmelin). Great Horned Owl. Black, 

 gray, and buffy, variously mottled and barred ; usually a whitish 

 half-collar ; ear tufts large, their feathers mostly black. L. 22. 

 W. 16. T. 10. N. Am., abundant; one of the strongest and most 

 courageous of the owls. 



435. NYCTEA Stephens. (vvkt€vs, nocturnal.) 



835. N. nyctea (L.). Snowy Owl. Pure white, more or less 

 barred with blackish. L. 23. W. 17. T. 10. Northern regions, 

 not rare ; whole U. S. in winter ; the handsomest of owls. {Eu.) 



436. SURNIA Dumdril. (Meaning unknown.) 



83G. S. ulula (L.). Hawk Owl. Day Owl. Brown, much 



mottled and barred ; head with white spots ; a dark collar about 

 neck; lower parts barred, brown and white; tail barred. L. 16. 

 W. 9. T. 7. Northern regions, S. to Wis. and Mass. (Eu.) 

 The American bird, darker in color, is var. caparoch (Miiller). 

 (Lat., owl; an imitation of the bird's note.) 



437. SPEOTYTO Gloger. {aneos, cave ; rvra, a kind of owl.) 

 837. S. cunicularia (MoL). Burrowing Owl. Brownish, 

 much spotted, barred, and variegated with whitish. L. 10. W. 74. 

 T. 4. W. America, very abundant W., living in the holes of 

 prairie dogs, accidental E. Our form is var. hypogaea (Bonaparte), 

 its lower parts buffy. (Lat., burrower.) 



Order XLII. PSITTACI. (The Parrots.) 



" Frugivorous Rapiorex" bill enormously thick, cered at base and 

 strongly hooked ; tongue thick and tleshy. Feet zygodactyle by 



