THE ELASMOBRANCII FISHES 21 



1891. Platt, Julia B., A Contribution to the Morphology of the Vertebrate Head based 

 on a study of Acanthias vulgaris. Jour. Morpli., Vol. 5, pp. 79-106. 



1904. PuNNETT, E. C, Merism and Sex in Spinax niger. Biometrika. Cambridge. Vol. .S, 

 No. 4, pp. 313-362, pi. 1. 



1905. Rand, H. W., The Skate as a Subject for Classes in Comparative Anatomy. Amer. 

 Nat., Vol. 39, pp. 365-379. 



1874. Turner, W., Additional Observations on the Anatomy of the Greenland Shark 

 (Lacmargus borealis). Jour. Anat. Physiol., Vol. 8, pp. 285-290. 



1906. Woodland, W., On the Anatomy of Centrophorus calceus. Proc. Zool. Soc. London, 

 1906 (2), pp. 865-886, pis. 57-62, 12 text figs. 



FINS AND THEIR ORIGIN 



1878. Balfour (see p. 17). 



1887. Baur, G., Morphology and Origin of the Ichthyopterigia. Amer. Nat., Vol. 21, pp. 



837-840. 

 1906. Braus, H., Die Entwickelung der Form der Extremitaten und des Extremitaten- 



skelets. Hert^vag's Handb. vergl. u. expt. Entwick. Bd. 3, Teil 2, pp. 167-235. 



1879. Davidoff, M., BeitrJige zur vergleichenden Anatomie der hinteren Gliedmassen der 

 Fische. Morph. Jahrb., Bd. 5, pp. 450-520, pis. 28-31, 1 text tig. 



1896. Dean, B., Sharks as Ancestral Fishes. Nat. Sci., Vol. 8, pp. 245-253, 4 text figs. 

 1896. Dean, B., The Fin-Fold Origin of the Paired Limbs, in the light of the Ptychop- 



terygia of Palaeozoic Sharks. Anat. Anz., Vol. 11, pp. 673-679, 8 text figs. 

 1902. Dean, B., Historical Evidence as to the Origin of the Paired Limbs of Vertebrates. 



Amer. Nat., Vol. 36, pp. 767-776, 1 text fig. 

 1902&. Dean, B., Biometric Evidence in the Problem of the Paired Limbs of the Vertebrates. 



Anier. Nat., Vol. 36, pp. 837-847, 1 text fig. 

 1884. DoaRN, A., Studien zur Urgeschichte des Wirbelthierkorpers. IV. Die Entwicklung 



und Differenzierung der Kiemenbogen der Selachier. Mitt. Zool. Stat. Neapel, Bd. 



5, pp. 102-195, pis. 5-11. 

 1865. Gegenbaur, C, Die Brust-Flossen der Fische. Untersuch. z. verg. Anat. d. Wirbelth., 



Heft 11. 

 1906. Goodrich, E. S., Notes on the Development, Structure, and Origin of the Median and 



Paired Fins of Fish. Quart. Jour. Micr. Sci., Vol. 50 (n. s.), pp. 333-376, pis. 10-14, 



text figs. 1-3. London. 

 1911. Gudger, E. W., The Finned-Tailed Larva of the Butterfly Ray, Pteroplatea maclura. 



Jour. Elisha Mitchell Scient. Soc, Chapel Hill, N. C, Vol. 27, p. 84. 

 1889. Hatschek, Die paarigen Extremitaten der Wirl^eltiere. Anat. Anz., Bd. 4 (Verh. 



Berlin), pp. 82-90, 4 text figs. 

 1860. Kner, Rudolph, trber den Flossenbau der Fische. Sitzber. der math.-naturwiss. 



Klasse, Vol. 41, pp. 807-824. 



1893. Marey, M., Des mouvements de natation de la raie. C. R. Acad. Sci. Paris, Vol. 116, 

 p. 77-81, 2 text figs. 



1886. Mater, Paul, Die unpaaren Flossen der Selachier. Mitt. Zool. Stat. Neapel, Bd. 6, 



pp. 217-285, pis. 15-19. 

 1879. MrvART (see p. 86). 

 1892. MoLLiER, S., Zur Entwickelung der Selachier Extremitaten. Anat. Anz., Bd. 7, pp. 



351-365. 



1894. I. MoLLiER, S., Das Ichthyopterygium. Anat. Hefte, Bd. 3, pp. 1-160, pis. 1-8, 12 

 text figs. 



1895. IL MoLLiER, S., Das Cheiropterygium. Anat. Hefte, Bd. 5, pp. 433-530, pis. 31-38, 

 7 text figs. 



1909. MuLLER, Erik, Die Brustflosse der Selachier. Ein Beitrag zu den Extremitaten- 

 theorien. Anat. Hefte, Bd. 39 (Heft 118), pp. 471-601, pis. 27-46, 62 text figs. 



