284 



CAROTINOIDS AND RELATED PIGMENTS 



iiber das Hiimatoidin." J. prakt. 

 Chem., 100, 142-148. 



Hooper, J. J. 1921. "Studies of dairy 

 cattle. V. The body secretions in 

 relation to production of milk and 

 butter fat." Kentucky Agr. Exp. 

 Sta. Bull., 234, 159-161. 



Hopkins, F. G. 1889. "Note on a yel- 

 low pigment in butterflies." Proc. 

 Chem. Soc., pp. 117-118. 



Hopkins, F. G. 1891. "Pigments in 

 yellow butterflies." Nature, 45, 197- 

 198. 



Hopkins, F. G. 1892. "Pigments in 

 Lepidoptera." Nature, 45, 581. 



Hopkins, F. G. 1895. "The pigments 

 of the Pieridce-' A contribution to 

 the study of excretory substances 

 which function as ornament." Trans. 

 Roy. Soc. London, 186 B, Part 2, 661- 

 682. 



Hueck, W. 1912. "Pigmenstudien." 

 Ziegler's Beitriige, 54. 68. 



Husemann, August 1861. "Ueber 

 Carotin und Hydrocarotin." Ann., 

 117, 201-229. 



Immendorff, H. 1889. "Das Carotin 

 in Pflanzenkorper und einigcs iiber 

 den griinen Farbstoff des Chloro- 

 phyllkorns." Landwirt. Jahrb. 18, 

 507-520. 



Irving, (Miss) A. A. 1910. "The be- 

 ginning of photosynthesis and the 

 development of chlorophyll." Ann. 

 Botany, 84, 805-818. 



Jacobsen, H. C. 1912. "Die Kultur- 

 bedingungen von Hacmatococcus 

 pluvialis." Flora microbiologica, 1, 

 1-33; Botan. Centr, 72, 38. 1913. 



Jolyet, Felix and Regnard, Paul 1877. 

 "Recherches physiologiques sur la 

 respiration des animaux aquatique." 

 Part 2 Arch, physiol.. 4, 548-633. 



Jorgensen, Ingvar. and Kidd, Franklin 

 1915-17. "On the function of chloro- 

 phyll." Proc. Roy. Soc. London, 89 

 (B), 342-361. 



Jorgensen, Ingvar and Stiles, Walter 

 1917. "Carbon assimilation A re- 

 view of recent work on the pigments 

 of the green leaf and the processes 

 connected with them." New Phy- 

 tologist, Reprint, No. 10, 1-180. 



Karsten, G. 1891. "Untersuchungen 

 iiber die Familie der Cliroolepideen." 

 Ann. Jardin botan. Buitenzorg, 10, 1- 

 66; Botan. Centr., 47, 300, 1891. 



Kaup, Walther 1919. "Hautverfar- 

 bung bei Sauglingen und Kleinkin- 



dern infolge der Nahrung." Munch, 

 med. Wochschr., 66, 330. 



Keeble, F., and Gamble, F. W. 1904. 

 "The color-physiology of higher crus- 

 tacea." Trans. Roy. Soc. London, 

 196, 295-388. 



Keegan, P. Q. 1903. "Leaf decay and 

 autumn tints." Nature, 69, 30. 



Kirchner, A. 1892. "Beitriige zur 

 Kenntniss der in dem Farbstoff der 

 Bliithen der Ringelblume (Calendula 

 officinalis) vorkommenden Choles- 

 terin ester." Inaug.-Diss. Erlangen., 

 1-41 ; Botan. Centr., 52, 229, 1892. 



Klebs, Georg 1881. "Beitrage zur 

 Kenntniss niederer Algenformen." 

 Botan. Ztg.. SO, 249-257, 265-272, 281- 

 290. 297-308. 313-319, 329-336, espe- 

 cially 270-272, 299 and 301. 



Klebs, Georg 1883. "Organization 

 einiger Flagellatcngruppen und ihre 

 Bcziehung zu Algen und Infusorien." 

 Unters. Botan. Inst., Tubigen, /, 261. 



Klose, Erich 1919. "Hautverfarbung 

 bei Sauglincen und Kleinkindern in- 

 folge der Nahrung." Munch, med. 

 W'.chschr, 6tf, 419. 



Kohl, Frederick G. 1902a. "Unter- 

 suchungen iiber das Carotin und seine 

 physiologische Bedeutung in den 

 Pflanzen." 1-165, Leipzig, especially 

 p. 1. 



Kohl, Frederick G. 1902b. Ibid., 

 Chapter III. 



Kohl, Frederick G. 1902c. Ibid., 

 Chapter XIII. 



Kohl, Frederick G. 1902d. Ibid., 

 page 61. 



Kohl, Frederick G. 1902e. Ibid., 

 Chapter V. 



Kohl, Frederick G. 1902f. Ibid., 

 Chapter VII. 



Kohl, Frederick G. 1902g. Ibid., 

 Chapters VI and X. 



Kohl, Frederick G. 1902h. Ibid., 

 Chapter VIII. 



Kohl, Frederick G. 1902i. Ibid., 

 Chapter XI. 



Kohl, Frederick G. 1902J. Ibid., 

 Chapter II. 



Kohl, Frederick G. 1906a. "Die 

 Farbstoffe der Diatomeen-Chroma- 

 tophoren." Ber. botan. Ges., 24, 124- 

 134 



Kohl, Frederick G. 1906b. "Die as- 

 similatorische Funktion des Karo- 

 tins." Ber. botan. Ges., 24, 222-229. 



Kohl, Frederick G. 1906c. "Kohlen- 

 saure-Assimilation und Chlorophyll- 



