INTRODUCTION 19 



General References 



The references here cited contain information bearing upon most of the 



chapters throughout this book but are not repeated at the end of individual 



chapters. 



Bronn, H. G. (various authors). 1880 . "Klassen und Ordnungen des 



Tier-reichs." Leipzig. 



Delage, Y. et Herouard, E. 1896-1903. "Traite do zoologie concrete.'' 

 Paris, Schleicher Freres. 



Harmer, S. F. and Shipley, A. E. (various authors). 1891-1909. "The 

 Cambridge Natural History." London, Macmillan. 



Hertwig, R. (translated and edited by Kingsley, J. S.). 1912. "A Man- 

 ual of Zoology." New York, Holt. 



Johnson, M. E. and Snook, H. J. 1927. "Seashore Animals of the Pacific 

 Coast." New York, Macmillan. 



Lang, A. (translated by Bernard, H. M. and M.). 1891. "Text-book of 

 Comparative Anatomy." London, Macmillan. 



Lankester, Sir R. (various authors). 1909. "A Treatise on Zoology." 

 London, Black. 



Parker, T. J. and Haswell, W. A. 1928. "A Text-book of Zoology," 

 Vol. 1. London, Macmillan. 



Sedgwick A. 1898. "A Student's Text-book of Zoology." London, 

 Sonnenschein. 



VoGT, C. und Yung, E. 1885-1888. "Lehrbuch dor praktischen vergleich- 

 enden anatomie." Brunswick. 



Ward, H. B. and Whipple, G. C. (various authors). 1918. "Fresh-water 

 Biology." New York, Wiley. 



von Zittel, K. A. 1900. "Text-book of Palaeontology." English transla- 

 tion by Eastman, C. B. London, Macmillan. 



