132 DWIGHT 



I. Annual or Single Moult (Postnuptial). 



1. Postjuveiial Moiilt complete. 



a. Young and adults nearly alike in Winter and Nup- 



tial Plumages. A 



b. Young and adults unlike in Winter and Nuptial 



Plumages. B 



2. Postjiivenal Moult incomplete , not involving remiges nor 



rectrices. 



a. Young and adults nearly alike in Winter and Nup- 



tial Plumages. C 



b. Young and adults unlike in Winter and Nuptial 



Plumages. D 



3. YoiDig zi'ith a First Prcniiptial Moult, following incom- 



plete Postju venal Moult. 



a. Extensive, including often rectrices and even a few 



remiges. E 



b. Limited chiefly to the head. F 



n. Seml\nnual or Double Moult (Postnuptial and Prenup- 

 tial). 



1 . Pre nuptial Moult complete. G 



2. Prennptial Moult of body complete (in young including 



often the rectrices and sometimes a few remiges). H 



3. Premiptial Moult of body incomplete, never involving rec- 



trices nor remiges. I 



4. Prennptial Moidt of body very incomplete and limited 



chiefly to the head. J 



Class A 



Otocoris alpestris Ammodramus maritimus 



" " praticola Melospiza fasciata 



" " leucoljema Cardinalis cardinalis 



Sturnus vulgaris Petrochelidon lunifrons 



Molothrus ater Chelidon erythrogastra 



Sturnella magna Tachycincta bicolor 



Scolecophagus carolinus Clivicola riparia 



Quisculus quiscula Stelgidopteryx serripennis i- 



" " aeneus Vireo noveboracensis (C?) hrL^XAp/.. 



Passer domesticus Icteria virens (C ?) 



