UNIVERSITY OF CALIFORNIA PUBLICATIONS 
IN 
ZOOLOGY 
Vol. 13, No. 11, pp. 243-446, pls. 13-37, 7 text figures April 17, 1916 
A STUDY OF THE STRUCTURE OF FEATHERS/ 
WITH REFERENCE TO THEIR TAXO- 
NOMIC SIGNIFICANCE 
Whe ray 
y v7, 
ASA C. CHANDLER 
' 
CONTENTS 
EDSSATERTG CO CLIT ET Tams ea ere er reece ora, hr on een ee ee 5 Ac arene ee 
Objecisands scope Of pap Cie rete ee econ cess ee cars seth eecoe oes eee 
ENCVS ION Ara UTES af Sy ee ee eee ee 
TSS) 0) 0) La ae a a ea ee a eee ele ee =n es ee ne a ee Oe MRP onee oa 
PINOT GT CLEVE ULL Ce ye eens ee eee ec ee Se aad cee ceeds ess Seance 
JW SN AL 6 ES Se ne oe eee re 
Am ete Ge TET Ul IVE OT: NOLO Si yieresee ee este eters aera eee eh a es oe oe ae 
PESTA CS gemeseec eee tee sale bene cats une ae eee sen AAG ets Dae ae oe ch 55 ed ae eae 2 
IDES rea Oey apel Cop go Gb Bean bY Kee) ke Rea ae ae ee Se et eee 
ORV EET CLO Vy Ny ee torent ae toe ne Aes ng ene LS RENE) Pee a eee 
(Oni efat Wave UN SEsi HOS) oie ele ee Mente’ eee Narn nee See Re NA E RES Ren one toe oe Ae Eevee Sean ee ae 259 
IN CS CUI S wile AUTO TS ype escent eres a sak a eS ee ice re ee ak et 259 
PSU CTRL T1t1y © Ser ee ee eet Cree ee cS en Ne EE ee a eet 260 
COP REN ORM : aiCSEEY INS) CTS eee he eter ec SO ne es ae ee 263 
HERCTIUIS OS seco seeccn coe ee ses se ces ee Coe ee ens aS eee eewe ccs eae apesasecooetlc det caeleachedattee tmas 263 
HEV WIGS ese ec ee a a se Sag Sec ce seem ea tat eee es ee cece 268 
Unspecialized contour feathers 269 
Ornamental plumes ..................... 2 PARRA 
Ba (COV CRUS) (roe ocasoee seen ne eeeneanaeenes = PANES 
Haciniwbristles andmeyelashesa-. cts. e ne eee 273 
VER EENGVECTIN WS eh df Set a a ee, Se ee ce 274 
WOLOT TOUCH ON eee ae secs bee sean cete eee cece ce cov eee lone osecian2 MM oncoclsuec: seslcsbereudenozsceuenees 274 
TSOCEliye i De PLOCGUCTIOMM OS COLOLS pes ccene ee osc e scscc cmc c ce eeare oe open cece one-star 274 
Effect of albinism on structural color modifications —..............2........ 279 
Teertre te, US © OS INAH nH 00 EH) ee oe 280 
TAF St eG AEG CO Oe eR A ee a NER ee 280 
Intraspecific and phylogenetic modifications —......0. 222 eeeeeeee ee 280 
WhASSIN GALTON COD CEC ence erent sarees ate ee eee te en emerson 282 
IMETINO GS Ot "COMIPATATLV.C St Uy ercere ooo os on ome tatn See ccaeercanoeeeees dasncacsacbacte eeseaces 283 
BRT UTM aoe ls ean ne a aeons ee eS RU At ss eR Sn aE Nate ee ee ESE 284 
Ongers Str wthiOnifOrmesy covcee.-ceqcerssscee sc cme nen ns nnn seus Sese cena ce seams atc ney cecaseeeec eves 285 
