INDEX. 



Acanthis 153,218,299 



Acceleration, Cope on, 73; instance of 

 Cope's law of 169, 219 



Accipiter 268 



velox 277 



Acquired characters, on the inheritance 

 of, 2-50; Galton on inheritance of. 

 5; Ryder on inheritance of, 19; con- 

 sequences of dispensing with in- 

 heritance of, shown by Cunning- 

 ham,27 ; inheritance of ,by protozoa 

 admitted, 28; Morgan on inherit- 

 ance of, 29; Elliot on inheritance 

 of, 38; three evidences of inherit- 

 ance of, as given by Spencer, 43; 

 inheritance of, 1st and 3d evi- 

 dences in proof of, as given by 

 Spencer, criticized by Romanes 

 and Ball, 43-44; transmission of 

 dipcussed, 29 : transmission of, di- 

 vided into two classes, 34; Japanese 

 goldfish experimented with by Dr. 

 Wahle, 34. 



Acquired habits; inheritance of, be- 

 ^ lieved in by Darwin, 40; inherit- 

 ance of, criticized by Ball, 40; in- 

 heritance of, supported by Rom- 

 anes, 41-42. 



Acraptosis, definition of, 135; instances 

 of acraptotic feathers 136, 136, 137 



Acroptosis, definition of 135, 137 



^Egialitis 197 



semipalmata 197 



.Esthetic taste in birds, explanation of, 

 93-95; Poulton's views on, 93-95; 

 opposed by Morgan, 95-96; Rom- 

 anes on, 97-98; Allen on, 100; Mor- 

 gan on, 101. 



Agelaius 143, 146, 218, 220, 255, 292 



gubernator 178,220,254, 255, 292 



phceniceus 185, 220 , 254, 255, 292 



tricolor 178, 220, 254, 255, 292 



Alaudidae 287 



Albinism, theory of, suggested by Stej- 

 neger 226 



Alcedinidae... 278- 



Allen, Grant, on aesthetics 100 



Allen, Harrison, on pigment 182 



Allen, J. A., on geographical distribu- 

 tion as factor in evolution of colors 247 



Ammodramus 215, 233, 304 



maritiinus 304 



nigrescens 151 



sandwichensis 304 



alaudinus 184, 253 



bryanti 253- 



savannarum passerinus. 184 



Ampelidfe 316 



Ampelis 216, 217, 236, 316 



cedrorum 188, 190, 316 



garrulus 190, 316 



japonicus 316 



Amphispiza 180, 216, 307 



belli 254, 307 



nevadensis 254, 307 



bilineata 188, 254, 307 



Anabolism definition of, 68 ; as factor in 



pigmentation 163 



Anis 276 



Anthus 204 



Anticryptic colors, defined. . . . 194, 197, 198 



Antrostomus 207 



carolinensis 186, 208 



cubanensis 208 



macromystax 208 



vociferus 208 



arizonae 208 



Aphelocoma 158,215, 289 



californica I 86 



sieberii 254 



sumichrasti 254 



Aposematic colors, defined 194, 200 



Aptatic colors, defined 194 



Aptosochromatism, definition of.. .135, 137 



Aquila 270 



Archibuteo 236, 269 



lagopus sanctijohannis 147 



Aristotle, originator of doctrine of 



evolution * 



Asturina 27 



