TABLE OF CONTENTS. Vtl 



Page. 



KG. Falco riistieolus obsoletns Black Gyrfalcon (PI. X, Fig. 1) 280 



!)7. Falco mexicaniis Prairie, Fuli-oii (I'l. X, Figs. a, 3) 



9S. Falco pcregrinus aiiatuni I>uc-k Hawk (I'l. X, Figs. 5-7) ; 



JHI. Falco peregnims pcalei Pealc's Falcon . 



100. Falco colnmbariiis Pigeon I lawk (1'l.X, Figs. I, X} .. 298 



101. Faleo columbarins sucklcyi Black Merlin . 302 



1(12. Falro ricliardsonii Richardson's Merlin . 303 



103. Falro nonius Merlin :!OI 



101. Falco fnsco-cn-mlesi-ens Aplomado Fall-on (I'l. X, Figs. !>, 10) 3<X> 



105. Falco tiniiuncnliiH Kestrel 308 



106. Falco sparverins American Sparrow Hawk (I'l. X. Figs. 11-16) -- 309 



107. Falco dominiccnsis Cuban Sparrow Hawk 311 



108. I'olvborns i-ln-riway Aniluboii's Caracara (I'l. XI, Figs. 1-1) 315 



109. PolyhoriisluroMiis (Jnailalri|>i- ( .'ar.-n-ara 318 



110. Panilion haliaetiis carolincnsis Ami'rican Osprcy (PI. X, Fig. 17; PI. XI, Figs. 5-!l) 320 



Family STIMIIID.!-:. liarn Owls. 



111. Slrix pratincola American Bam Owl (I'l. XII. Fig. 1) 325 



Family llmo.NID.K. llornotl Owls, Hi'. 



112. Asio wilsonianns American Long-eared Owl (PI. XII, Fig. 2) 328 



113. Asio aeeipitriiius Short-eared Owl (PI. XII, Fig. 3) 332 



111. Syrniiim nebnlosum Harreil Owl (PI. XII, Fig. -1) 335 



115. Syrniiim iicbnlosiimaHeiti Florida Harreil Owl 333 



116. Syrniuui oceidentale Spotted Owl 349 



117. Scotiuptexcinerea Great Gray Owl (I'l. XII, Fig. 5) 345 



118. Scotiaptex einerea lapponica Lapp Owl 346 



119. Nyetala tengmaluii rieliardsoni Richardson's Owl (PI. XII, Fig. 6) 347 



120. Nyetala acadica Saw-whet Owl (PI. XII, Fig. 7) 350 



121. Megascops agio Screech Owl (PI. XII, Fig. 8) 354 



122. MegJiscops asio tloridanus Florida Screech Owl 358 



123. Megascops asio mccallii Texan Screech Owl 360 



124. Megascops asio bendirei California Screech Owl 361 



125. Megascops asio kemiicottii Kennicott'.s Screech Owl 363 



126. Megascops asio maxwelli:e Kocky Mountain Screech Owl (I'l. XII, Fig. 10) 363 



127. Megascops asio trichopsis Mexican Screech Owl (PI. XII, Fig. 11) 368 



128. Megascops asio aikeni Aiken's Screech Owl 370 



129. Megascops asio inacfarlnnei MacFarlaue's Screech Owl (I'l. XII, Fig. 9) 371 



130. Megascops asio saturatus 1'uget Sound Screech Owl 373 



131. Megascops (lammeolus Flammulated Screech Owl (PI. XII, Fig. 15) 374 



132. Megascops tlammeolus idahoensis Dwarf Screech Owl 376 



133. Bubo virginiauns Great Horned Owl (PI. XII, Fig. 12) 376 



134. Bubo virginiauus subarcticus Western Horned Owl 383 



135. I'.nbo virginianns arctieus Arctic Horned Owl 386 



136. Bubo virginiauus saturatus Dusky Horned Owl 387 



137. Nyctea nyctea Snowy Owl (PI. XII. Fig. 19) 389 



138. Siirnia nlula Hawk Owl 392 



139. Snrnia nlnla eaparoch American Hawk Owl (PI. XII, Fig. 18) 393 



140. Speotyto cnnicularia hypogiea Burrowing Owl (PI. XII, Fig. 14) 395 



141. Speotyto cnnicularia tloridana Florida Burrowing Owl (PI. XII, Fig. 16) 400 



112. (ilaucidi inn gnoma Pygmy Owl 403 



113. Glaucidium gnoma californicum California Pygmy Owl 407 



111. Glancidium gnoma hoskinsii Hoskiu's Pygmy Owl 408 



145. (ilaucidium phahenoides Ferruginous Pygmy Owl (I'l. XII, Fig. 17) 409 



146. Mieropallas whitueyi Elf Owl (PI. XII, Fig. 13) 411 



