TABLE OF CONTENTS. 



I'"\Mii.v MoTAci 1.1.1 U.K. Tlic W;i^t:iils and IMpit.'^ 1 



Key to tlu' (ii'iKTa of JMotacillid.-e - 



Genus 1. ]\Iotacilla Linna'us 2 



Key to the Spcn-ies of jMotacilla .'5 



1 . Motacilla alba Liniia'us 4 



2. Motacilla ocularis 8\vinhoe <> 



Genut? 2. IJudytes Cuvier 7 



Key t(3 the Subspecies of Budytes flavus 8 



3. Eudytes flavus alascensis, new siil)si)ecies '< 8 



Genus 8. Anthus Bechstein 10 



Key to the Specdes of Anthus II 



4. Anthus pensil vanicus ( Latham ) 12 



5. Anthus cervinus ( Pallas ) 1 •"> 



6. Anthus pratensis ( Linnaeus) 1 >i 



7. Anthus spragueii (Audubon) 20 



8. Anthus i)arvus Lawrence 22 



F.vMiLY liiRUNDiNiDiE. The Swallows — 2o 



Key to the Genera of Hirundinida^ 2(5 



Genus 1 . Progne Bole 28 



Key to the Species and Subspecies of Progne 20 



1 . Pn,)gne subis subis ( Linnaeus) ■'!! 



2. Progne su])is hesperia P>re\vster 35 



3. Progne cryi)toU'uca Paird 37 



4. Progne <loMnnicensis (Gnielin) 3S 



5. Progne sinalon; Nelson — 40 



f). Progne chalybea chalybea (Gmelin) 40 



7. Progne niodesta ( Neboux ) 43 



( ienus 2. Petrochelidon Cabanis 44 



Key to the Species and Su1)specics of Petrochelidon 4t> 



8. Petrochelidon lunifrons lunifrons (Say) 47 



(I. Petrochelidon lunifious tachina Oberholser ">0 



10. Petrocheli<!on lunifrons nielanogaster (Swainson) -"il 



11. Petrochelidon fulva fulva (Vieillot) •">3 



12. I'etrochelidon fulva pcecilonia (Gosse) 54 



13. Petrochelidon fulva pallida Nelson •">(; 



< Jenus 3. Stelgidopteryx Baird '">'» 



Key to the Si)ecies and Subspecies of Stelgidoi)teryx 57 



14. Stelgidopteryx .serripennis ( Audubon) 5S 



15. Stelgidopteryx ridgwayi Nelson '>1 



1(). Stelgidopteryx salvini Pidgway <>2 



17. Sti'lgidopteryx rulicollis urojiygialis ( Lawrenci-) <'3 



<i .<fi' .\iiilfiula, p. 737. 



Vll 



