1907.] THE SCALES OF FISH. 773 



5. GiJXTHER, A. — '• Description of Ceratodus.'" Phil. Trans. 



vol. clxi., 1871. 



6. Hertwig, 0. — " Ueber Ban u. Entwicklung der Placoid- 



schuppen.'' Jena. Zeitschr. vol. viii., 1874. 



7. Hertwig, 0. — " Uebei- das Hautskelet der Fische." Morph. 



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8. Huxley, T. — " The Systematic Arrangement of the Fishes of 



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9. Huxley, T. — " On Ceiiilialaspis and Pteraspisr Qnart. Jour. 



Geol. Soc. vol. xiv., 1858. 



10. Klaatsch, H. — " Zur Morphologie der Fischschuppen." 



Morph. Jahrb. vol. xvi., 1891. 



11. Lankester, E. R. — " The Cei^halaspidfe." Mon. Palteont. 



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12. Leydig, Fr. — " Histologische Bemerliungen iiber den Polij- 



pterus hichir." Zeit. f. wiss. Zool, vol. v., 1853. 

 13- NiCKERSON, W. S. — " Development of the Scales of Lepid- 

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14. Paxder, C. H. — Die Placodermen des Devonischen Systems. 



St. Petersburg, 1857. 



15. Paxder, C. H. — Ueber die Ctenodipterinen d. Devonischen 



Systems. St. Petersbui'g, 1858. 



16. Reis, 0. — " Acanlhodes hronni." Morph. Arbeiten, vol. vi. 



17. Reissxer, E. — '' Ueber die Schuppen v. FolypAerus u. Lepid- 



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18. RoHOX, J. V. — " Ueber fossile Fische v. oberen Jenissei,"' etc. 



Mem. Acad. St. Petersb. vol. xxxvi., 1889, & vol. xli., 1893. 



19. RoHOX, J. V.—" Die Dendrodonten." Ibid. 



20. RoHOX, J. V. — IIolopt't/chius-tiich.wpi[)en." Bull. Acad. St. 



Petersb. vol. ii., 1890. 



21. Rose, C. — " Ueber d. v. Abanderungen der Hartgewebe." 



Anat. Anz. vol. xiv., 1898. 



22. Tomes, C. S. — " The Enamel of Elasmobranch Fishes." 



Phil. Trans. B, vol. cxc, 1898. 



23. Traquair, R. H. — " Report on Fossil Fishes." Trans. Roy. 



Soc. Edinb. vol. xxxix., 1899. 



24. Traquair, R. H. — " On Thelodus jxigei, Powrie." Ibid. 



vol. xxxix., 1898. 



25. WiEDERSHEiM. — " Dipnoerschuppen." Arch, f . mikr. Anat. 



vol. xviii., 1880. 



26. Williamsox, W. 0. — " On the Microscopic Structure of the 



Scales &c." Phil. Trans, vol. cxl., 1849. 



27. Williamsox, W. C. — " Investigations into the Structure and 



Development of the Scales and Bones of Fishes." Phil. 

 Trans, vol. cxH., 1850. 



28. Woodward, A. SMiTH.-^Biit. Mus. Cat. Fossil Fishes, vol. i., 



1889. 



29. Woodward, A. Smith. — " On a new Specimen of the 



ChimEeroid Fish, Myriacantlius paradoxus.'''' Quart. Jour. 

 Geol. Soc. vol. Ixii., 1906. 



