iv BIBLIOGRAPHY. 



(82) W. M tiller. "Das Urogenitalsystem J. Amphioxus u. d. Gyclostomen." 

 Jenaische Zeitschrift, Vol. ix. 1875. 



(83) Ph. Owsjannikoff. "Die Entwick. von d. Fhissneunaugen." Vorlauf. 

 Mittheilung. Melanges Blologiques tires du Bulletin de VAcad. Imp. St Petersboury, 

 Vol. VII. 1870. 



(84) Ph. Owsjannikoff. On the development of Petromyzon ftuviatiUs (Eussian). 



(85) Anton Sclineider. Beitniye z. veryleich. Anat. u. Entwick. d. Wirbelthierc. 

 Quarto. Berhn, 1879. 



(86) M. S. Schultze. "Die Entwickl. v. Petromyzon Planeri." Gekronte 

 Preisschrift. Haarlem, 1856. 



(87) W. B. Scott. "Vorliiufige Mittheilung iib. d. Entwicklungsgeschichte d. 

 Petromj'zonten." Zooloyischer Anzeiyer, Nos. 63 and 61. iii. Jahrg. 1880. 



Ganoidei. 

 Acipenseridve. 



(88) Knock. "Die Beschr. d. Ileise z. Wolga Beliufs d. Sterlettbefruchtung." 

 Bidh Soc. Nat. Moscow, 1871. 



(89) A. Kowalevsky, Ph. Owsjannikoff, and N. Wagner. "Die Entwick. d. 

 Store." Vorlauf. Mittheilung. 2Ielanyes Bioloyiqiies tires du Bulletin d. VAcad. Imp. 

 St Petersboury, Vol. vii. 1870. 



(90) W. Salensky. "Development of the Sterlet (Acipenser ruthenus)." 2 Parts. 

 Proceedings of the Society of Naturalists in the imperial University of Kasan. 1878 and l) 

 (Russian). Part I., abstracted in Hoffmann and Schwalbe's Jahresbericht for 1878. 



(91) W. Salensky. "Zur Embryologie d. Ganoiden (Acipenser)." Zoologisclter 

 Anzeiger, Vol. i., Nos. 11, 12, 13. 



Lepidosteidce. 



(92) Al. Agassiz. "The development of Lepidasteus." Proc. Amer. Acad, of 

 Arts and Sciences, Vol. xiii, 1878. 



Amphibia. 



(93) Ch. van Bambeke. "Recherches sur le developpement du Pelobate brun. "' 

 Memoires coiironnes, etc. de VAcad. roy. de Belyique, 1868. 



(94) Ch. van Bambeke. " Eecherches sur I'embryologie des Batraciens." 

 Btdletin de VAcad. roy. de Belgique, 1875. 



(95) Ch. van Bambeke. "Nouvelles recherches sur I'embryologie des Batra- 

 ciens." Archives de Biologic, Vol. i. 1880. 



(96) K. E. von Baer. "Die Metamorphose des Eies derBatrachier." Muller's 

 Archiv, 1834. 



(97) B. Benecke. "Ueber die Entwicklung des Erdsalamanders." Zoologischer 

 Anzeiger, 1880. 



(98) S. F. Clarke. "Development of Amblystoma punctatum," Part I., External. 

 Studies from the Biological Laboratory of the Johns Hopkins University, No. 11. 1880. 



(99) H. Cramer. "Bemerkungen tib. d. Zellenleben in d. Eutwick. d. Fioscheies.'' 

 Muller's Archiv, 1818. 



(ioo| A. Ecker. Icones Physiolog. 1851 — 1859. 

 • (loi) A. Gotte. Die Entioicklungsgeschichte der Unke. Leipzig, 1875. 



(102) C. K. Hoffmann. "Amphibia." Klassen u. Ordnungen d. Thierrcichs, 

 1873—1879. 



(103) T. H. Huxley. Article "Amphibia" in the Encyclopedia Britannica. 



(104) A. Moquin-Tandon. "Developpement des Batraciens anures." Annales 

 des Sciences Naturelles, iii. 1875. 



(105) G. Newport. "On the impregnation of the Ovum in Amphibia" (three 

 memoirs). Phil. Trans. 1851, 1853, and 1854. 



(ro6) "W. K. Parker. "On the structure and development of the Skull of the 

 common Frog." Phil. Trails., ci.\i. 1871. 



(107) W. K. Parker. "On the structure and development of the Skull of the 

 Batrachia." Phil. Trans., Vol, cxlvi., Part 2. 1876, 



