306 



INDEX OF SUBJECTS 



Ectocarpctccae, 95. 



Egg production, correlation of with 



skin colors, 272, 273, 277; cause of, 



273. 

 Eggs, carotinoid-free, fertility of, 268; 



vitamin content of, 270; color of as 



affected by carrots, 271. 

 Eggs, xanthophyll and vitamin content 



of after carrot feeding, 271. 

 Egg yolk, carotin-like pigment in, 139; 



color of affected by cayenne pepper, 



187, 197; pigment of, 14, 15, 126, 127, 



138-140. 151, 173-177; pigment of 



carotinoid-free, 23. 

 .Egg yolk pigment, as cholesterol ester 



of oleic acid, 139, 176; solubility of 



in bile, 138. 

 Egg yolk xanthophyll, isomerism of 



with plant xanthophyll, 176, 180; 



melting point of affected by method 



of determination, 179. 

 Elachista species, 95. 

 Elaacagnus latijolia L., 54. 

 El a phis quadrilineatis Bonaparte, 150. 

 Elder leave.-?, yellow, carotinoids in, 54. 

 Elecampane, carotinoids in, 73. 

 Elm, autumn pigments of, 58, 59. 

 Elocis guiitfi-xiH L. (Jacq.), 77; E. Mel- 



unococca Garb., 77. 

 Embryos, mummified, haematoidin in, 



23. 



Encephalartos Hildi brandtii, 59. 

 English Ivy, carotin in leaves of, 36; 



autumn pigments of, 58, 65. 

 English walnut, autumn pigments of, 



58. 



Enterochlorophyll, 167. 

 Ent< roniorpha intcstinalis, 104. 

 E/ihyra Angularia, 157; E. Punctaria, 



157. 



Epimedium macrantheum, 73. 

 Equestum arvcnse, 65. 

 Eranthis hy emails Salisb., 73. 

 Erysimum Perofskianum Fisch. and 



Mey., 73. 

 Erythrophyll, relation of to carotin, 



34, 36, 37; in autumn leaves, 56, 60. 

 Erythroxylum nora-granadense, 77. 

 Exrhxc)wl(zia co.lij ornica, 68, 74. 

 Eteolin, a flavone, 21. 

 Ethereal oils, as solvent for chloro- 

 phyll in Kraus separation, 32. 

 Etiolated leaves, carotinoids of, 48-53, 



89; effect of greening on, 53; condi- 

 tions favorable for development of 



carotinoids in, 53. 

 Etiolin, absence of from autumn leaves, 



59; relation of to carotin, 49, 52. 

 Eucarotin. 19. 105, 107, 177; relation of 



to carotin, 19, 159. 



Eugenia uniflora, 76. 



Euglcna sanguined, 109, 110; Euglena 



viriJis, 109. 

 Eunotia (Himanthidium) pectinaHs, 



107. 

 Euonymous curopaeus, 76; Euonymous 



japoniciis L., variety aulplian u, 54, 



86; E. latijolia, 86. 

 Euphone niyricoliis, 145. 

 European cranberry, carotinoids in, 77. 

 European elder, carotinoids in yellow 



leaves of, 54. 

 Euxanthone, 21. 

 Eye-spots of Euglcna, pigments in, 109, 



*, 123. 



Fagus, 59, 60; Fagus silvalica, 255. 

 Fatty acids, color of after staining 



with Nile blue, 245. 



stains, effect of on carotinoids in 

 ' animal tissues, 242, 244-246. 



;liers, artificial coloration of with 



cayenne pepper, 187, 197. 

 1'VatlnTs, carotinoids of, 142-145, 151; 



origin of blue color of, 142. 

 I'Yni leaves, carotin content of, 249. 

 Ferric chloride reaction of carotinoids, 



26, 219, 222; value of in identifying 



carotinoids in animal tissues, 247, 



248. 



Ft ntla species, 73. 

 Fir leaves, etiolated pigments of, 52; 



autumn pigments of, 65. 

 Fish carotinoids, origin of from food, 



184. 

 Fish colors, influence of color of sur- 



roundings on, 183. 

 Fi>hes, pigments in skin of, 145-148, 



152; skin pigments and chromato- 



phore control of, 146, 152; structural 



blues and whites of, 156. 

 Flagellata, 109, 110. 

 Flamingo, pigments in feathers of, 143, 



144. 

 Flounder, carotin in skin of, 145; effect 



of light on colorless side of, 148. 

 Flavones, 21, 55; as cause of autumn 



colors, 63; in flowers, 67. 

 Flaxseed, pigment in oil not carotinoid, 



87. 

 Flowering maple, carotinoids in natu- 



rally yellow leaves of, 54; carotin in 



flowers of, 72, 73. 

 Flowers of Tan, 119. 

 Flustra joliacea, 168. 

 Formic acid as solvent for xanthophyll, 



225; for rhodoxanthm, 229. 

 Forsythia Fortunei, 73; Forsythei viri- 



dissma, 73. 

 Four-o'-clock, autumn pigments of, 58. 





