364 JOHN F. FULTON, JR. 



Haeckel, E. 1862 Die Radiolarien (Rhizopoda radiaria). Berlin, G. Reimer. 



Heilprin, a. 1889 The Bermuda Islands. Philadelphia. 



Hertwig, O. 1883 Die Symbiose oder Genossenschaftsleben im Thierreich. 

 56. Vers, deutsch. Naturf. u.Aerzte, Freiburg, S. 9-18. Also sepa- 

 rate (mit Anmerkungen). Jena: Gustav Fischer, 1883. 



Hertwig, O., und Hertwig, R. 1879 Die Actinien. Jena. Zeits., Bd. 13, S. 

 457-640, Taf. 17-26. 



Hertwig, R. 1876' Zur Histologie der Radiolarien. Leipzig: Engelmann, 

 1876. 



Keeble, F. 1908 The yellow-brown cells of Convoluta paradoxa. Quart. 

 Jour. Micr. Sci., vol. 52, pp. 431-499, pi. 26-29. 

 1910 Plant-animals, a study in symbiosis. Cambridge: Univ. Press. 



Keeble, F. , and Gamble, F. W. 1905 On the isolation of the infecting organism 

 (Zoochlorellae) of Convoluta roscoffensis. Proc. Roy. Soc, London, 

 vol. 77 B, pp. 66-68. 



1907 The origin and nature of the green cells of Convoluta roscof- 

 fensis. Quart. Jour. Micr. Sci., vol. 51, pp. 167-219, pi. 13, 14. 



Krogh, A. 1916 The respiratory exchange of animals and man (monograph 

 on biochemistry). London: Longmans, Green & Co. 



Krukenberg, C. F. W. 1884 Grundziige einer vergleichenden Physiologic der 

 Farbstoffe und der Farben. in Vergl. physiol.. Vortrage (Abth. Ill), 

 pp. 83-184. 



Lankester, E. R. 1868 Preliminary notice of some observations with the 

 spectroscope on animal substances. Jour. Anat. Physiol., vol. 2, pp. 

 114-116. 



1882 On the chlorophyll-corpuscles and amyloid deposits of Spongilla 

 and Hydra. Quart. Jour. Micr. Sci., vol. 22, pp. 229-254, pi. 20. 

 1885 Archerina boltoni, nov. gen. et sp., a chlorophyllogenous pro- 

 tozoon, allied to Vampyrella, Cienk. Quart. Jour. Micr. Sci., vol. 25, 

 pp. 61-73, pi. 7. 



MacMunn, C. a. 1888 On the chromatology of some British sponges. Jour. 

 Physiol., vol. 9, pp. 1-25, pi. 1. 



Minchin, E. a. 1912 An introduction to the study of the protozoa, with special 

 reference to the parasitic forms. London: Ed. Arnold. 



Sallitt, J. A. 1884 On the chlorophyll corpuscles of some Infusoria. Quart. 

 Jour. Micr. Sci., vol. 24, pp. 165-170, pi. 13, 14. 



SoRBY, H. C. 1875 On the chromatological relations of spongilla fluviatilis. 

 Quart. Jour. Micr. Scj., vol. 15, pp. 47-52. 



Vernon, H. M. 1896 The respiratory exchange of the lower marine inverte- 

 brates. Jour. Physiol., vol. 19, pp. 18-70. 



Winter, F. W. 1907 Zur Kenntniss der Thalamorphoren. I. Untersuchung 

 iiber Peneroplis pertusus (Forsk&l), Arch. f. Protist., Bd. 10, S. 1-113, 

 Taf. 1, 2. 



