484 
PROFESSOR J. STEPHENSON AND DR BA1NI PRASHAD ON 
REFERENCES TO LITERATURE. 
(1) Beddard, F. E., A Monograph of the Order of Oligochseta, Oxford, 1895. 
(2) Beddard, F. E., “Chi the Anatomy of Ocnerodrilus Eisen,” Trans. Roy. Soc. Edin., vol. 
xxxvi, 1892. 
(3) Benham, W. B., “Notes on two Acanthodriloid Earthworms from New Zealand,” Quart. Journ. 
Micr. Set., vol. xxxiii, 1892. 
(4) Bourne, A. G., “ On Megascolex coeruleus Templeton from Ceylon, together with a Theory of the 
Course of the Blood in Earthworms,” Quart. Journ. Micr. Sci., vol. xxxii, 1891. 
(5) Claparede, E., “ Histologische Untersuchungen iiber den Regenwurm,” Zeit. fur wiss. Zool., vol. 
xix, 1869. 
(6) Combault, A., “ Sur l’histologie des glandes calciferes des Lombrics,” C. R. Soc. Biol., vol. 
lxii, 1907. 
(7) Combault, A., “Quelques experiences pour determiner le role des glandes calciferes des Lombrics,” 
ib., id. 
(8) Combault, A., “Contribution k l’dtude de la respiration et de la circulation des Lombriciens,” 
Journ. de I’anat. et de la physiol., vol. xlv, 1909. 
(9) Eisen, G., “Anatomical Studies on New Species of Ocnerodrilus,” Proc. Calif. Acad. Sci., ser. ii, 
vol. iii, 1893. 
(10) Freudweiler, H., “Studien iiber das Gefasssystem niederer Oligochaten,” Jena. Zeit. f. Natunc., 
vol. xl, 1905. 
(11) Gurwitsch, A., Vorlesungen iiber allgemeine Histologie, Jena, 1913. 
(12) Harrington, N. R., “ The Calciferous Glands of the Earthworm, with Appendix on the Circulation,” 
Journ. Morphol., vol. xv, Suppl., 1899. 
(13) Heidenhain, M., Plasma und Zelle, vol. i, pt. 2, Jena, 1911. 
(14) Lang, A., “Beitrage zu einer Trophocoltheorie,” Jena. Zeit. f. Naturw., vol. xxxviii, 1903. 
(15) Lankester, E. R., “The Anatomy of the Earthworm,” Quart. Journ. Micr. Sci., n.s., vol. iv, 1864. 
(16) Michaelsen, W., “Beitrage zur Kenntnis der Oligochseten,” Zool. Jahrb. : Abth. f. Syst., vol. 
xii, 1899. 
(17) Michaelsen, W., “The Oligochseta of Natal and Zululand,” Ann. Natal Mus., vol. ii, 1913. 
(18) Michaelsen, W., “ Oligochseta , ” in Beitrage zur Kenntnis der Land - und Susswasserfauna Deutsch- 
SudwestafriJcas, Hamburg, 1914. 
(19) Perrier, E., “Etudes sur l’organisation des Lombriciens terrestres,” Arch. Zool. exp. et gen., 
vol. iii, 1874. 
(20) Raff, Janet W., “ Contributions to our Knowledge of Victorian Earthworms : the Alimentary 
Canal,” pt. 1, Proc. Roy. Soc. Viet., vol. xxii, 1910. 
(21) Ribaucourt, E. de, “Etude sur l’anatomie comparee des Lombricides,” Bull. Scientifique France et 
Belgique, vol. xxxv, 1901. 
(22) Rohde, E., “ Untersuchungen iiber den Ban der Zelle: IV. Zum histologischen Wert der Zelle,” 
Zeit. f. iviss. Zool., vol. lxxviii, 1904. 
(23) Schafer, E. A.,- The Essentials of Histology, London, 1910 ed. 
(24) Schiller, I., “Uber den feineren Bau der Blutgefasse bei den Arenicoliden,” Jena. Zeit.f. Naturw., 
vol. xliii, 1907. 
(25) Schneider, K. C., Lehrbuch der vergleichenden Histologie der Tiere, Jena, 1902. 
(26) Stephenson, J., “On Intestinal Respiration in Annelids; with considerations on the Origin and 
Evolution of the Vascular System in that Group,” Trans. Roy. Soc. Edin., vol. xlix, 1913. 
(27) Stephenson, J., “On a Collection of Oligochseta belonging to the Indian Museum,” Records Ind. 
Mus., vol. xii, 1916. 
(28) Sterling, S., “Das Blutgefasssystem der Oligochaten,” Jena. Zeit.f. Naturw., vol. xliv, 1909. 
(29) Szuts, A., “Die Archseo- und Neolumbricinen,” Zool. Anz., vol. xlii, 1913. 
(30) Vejdovsky, F., “Zur Hamocoltheorie,” Zeit.f. wiss. Zool., vol. lxxxii, 1905. 
(31) Vejdovsky, F., “Zweiter Beitrag zur Hamocoltheorie,” ib., vol. lxxxv, 1906. 
