INDEX. 



355 



Lougspurs 303 



chestnut-colored 149 



Lophophanes 236 



Lophortyx 236 



Loxia 218, 219, 236, 298 



leucoptera 298 



Lunda cirrhata 200 



Macrochires 283 



Macronyx ameliae 240 



croceus 240 



Magpies 152, 215, 288 



Melanerpes torquatus 216 



Markings, classification of patterns of, 

 159; Eimeron patterns of bird col- 

 ors, 179. 



Martins 314 



purple 149 



Meadowlark.,156, 175, 178, 203, 211, 240, 293 

 Megoscops asio, 250; table of races of, 

 showing relation of color, 250. 



asio maccallii : 254 



flammeolus 254 



trichopsis 254 



Melanerpes 280 



aurifrons 223 



carolinus 222 



erythrocephalus..!45, 153, 216, 217, 218 

 formicivorus bairdi..!43, 170, 173, 



175, 181, 191 



Melanistic plumage, methods of, as- 

 suming, 151; theory of, suggested 

 by Stejneger, 226; Spinus psaltria 

 as an instance of the assumption 

 of, 241; instances of noted by 

 Ridgway, 243. 



Meldola, criticism of Romanes theory 

 of physiological selection, 115; Ro- 

 manes' reply to, 115-116. 



Meleagris 236, 263, 264 



Melopelia leucoptera 206 



Melospiza 196, 215, 235, 236, 250, 308 



cineria 249 



fasciata 248 



fallax 248 



heermanni 248 



montana 248 



rufina 248, 249 



samuelis 248 



Merriaiu, on plumage changes, 134; on 

 geographical distribution and 

 North American faunal areas, 234, 

 235. 



Merula 335, 336 



confinis 336 



migratoria propinqua 217 



Metabolism, explanation of, 67-68; as 

 explanation of pigmentation, 163. 



Micrathene. 236 



Micropodidae 283 



Micropus 284 



Milvulus 285 



f orficatus 153, 155 



tyrannus 155, 286 



Mimicry, Stejneger on, 198; Beddard 

 on protective, 239. 



Mimus polyglottos 183 



Mniotilta 236, 320 



varia 151,152,221, 188 



Mniotiltidae 157, 319 



Mockingbird 183 



Molothrus 290 



aeneus 146, 291 



ater 146, '222 



Morgan, criticism of hypothesis of 

 pangenesis, 5-6; criticism of Weis- 

 mann's explanation of death, 9; 

 Weismann's theory of heredity op- 

 posed by, 17; on cellular continu- 

 ity, 19-20; criticism of panmixis, 

 22; on inheritance of acquired 

 characters, 29-30; transmission of 

 mutilations discussed by, 30; in- 

 stances of environmental influ- 

 ences, 35; suggests modification of 

 Spencer's theory of physiological 

 units, 58; explanation of preferen- 

 tial mating, 81; opposed to Foul- 

 ton's views of the aesthetic tastes 

 of birds, 95-96. 



Motacilla melanope , 331 



Motacillidaa 331 



Musci vora mexicana 199 



Mutilations, transmission of discussed 

 by Morgan, 29-30 ; transmission of 

 discussed by Weismann, 30-31 ; 

 Eimer on observed instances of, 32. 



Myadestes 335 



townsendii 204, 217 



Myiarchus 256 



cinerascens 256 



crinitus 256 



lawrenceii 243 



mexicanus 256 



nigricapillus 243 



Myiodioctes 236 



Myiodynastes 285 



Naegeli, on the existence of a nucleo- 

 plasm first developing into body 

 cells, then becoming simplified 

 into reproductive cells, 10. 



