SOME PROBLEMS OF COELENTERATE ONTOGENY 543 
Haraitt, C. W. 1904b The early development of Pennaria tiarella (McCr.); 
Archiv f. Ent-Mech., Bd. 18, p. 453. 
1906 The organization and early development of Clava leptostyla 
Ag.; Biol. Bull., vol. 10, p. 207. 
1908 Notes on the Coelenterates of Woods Hole; Biol. Bull., vol. 14, 
p. 97 et seq. 
Hareitt, C. W. ann G. T. 1910 Studies in the development of Scyphomedusae; 
Jour. Morph., vol. 21, p. 217-262. 
Haraitrr, G. T. 1903 Regeneration in Hydromedusae; Arch. f. Ent-Mech. d. 
Organismen, Bd. 17, p. 64. 
1909 Maturation, fertilization and cleavage of Pennaria tiarella and 
Tubularia crocea; Bulletin Mus. Comp. Zool. Harvard, vol. 53, no. 3. 
Harm, K. 1902 Die Entwickelungsgeschichte von Clava squamata; Zeits. f. 
wiss. Zool., Bd. 73, p. 115. 
Hertwia, O. 1892 Text book of embryology; English trans., 
Huxtry,T. 1849 On the anatomy and affinities of medusae; Phil. Trans. Royal 
Soc. London, part 2, p. 413. 
1859 -Oceanic Hydrozoa; Ray Society, London. 
KorscHELT AND HerperR 1895 Text book of the embryology of invertebrates; 
English translation. 
Linuiz, F. R. 1908 Development of the chick; Henry Holt, New York. 
MEREJKOWSKY 1883 Development de la meduse Obelia; Bull.de la Soc. de France. 
METSCHNIKOFF, E. 1886 Embryologische Studien an Medusen; Wien. 
Monteomery, T. H. 1906 The analysis of racial descent in animals; Henry 
Holt, New York. 
Morgan, Luoyp 1891 Animal life and intelligence; Ginn and Company, Boston. 
Morean, T. H. 1897 Development of the frog; Macmillan, New York. 
1903 Evolution and adaption; Macmillan, New York. 
OweEN, R. 1848 Homologies of the vertebrate skeleton, London. 
Patrrerson, J.T. 1908 Amitosis in the pigeon’s egg; Anat. Anz., Bd. 32, p. 117. 
RiTTENHOUSE, S. See Brooks and Rittenhouse. 
Roux, W. 1881 Der Kampf der Theile im Organismus. 
Smautuwoop, W. M. 1909 A reéxamination of the cytology of Hydractinia and 
Pennaria; Biol. Bull., vol. 17. 
WeIsMANN, A. 1883 Entstehung der Sexualzellen bei den Hydromedusen. 
1889 Essays on heredity; English translation, Macmillan, vol. 1. 
1904 Vortrige iiber Descendzentheorie; English translation, 2 vols. 
London. 
Witson, E. B. 1884 The development of Renilla; Phil. Trans. Roy. Soc. Lon- 
don, vol. 174. 
1894 The embryological criterion of homology; Biological Lectures, 
Woods Hole, Boston. 
Youna, R. T. 1908 The histogenesis of Cysticercus pisiformis; Zool. Jahrb., 
Bd. 26, p. 183. 
