Zool.— Vol. I.] RITTER—DIEMYCTYLUS TOROSUS. 1 13 



Hay, O. P. 



'89. Notes on the Habits of some Amblystomas. Amer. Nat., Vol. 

 XXIII, pp. 602-612. 

 Hoffmann, C. K. 



'73-'7S. Bronn's Klassen und Ordnungen. Amphibien, Bd. VI, 

 Abth. 2. 

 Jordan, E. O. 



'91. The Spermatophores of Diemyctylus. Joum. of Morph., Vol. V, 



pp. 263-270. 

 '93. The Habits and Development of the Newt (Diemyctylus virides- 

 censj. Joum. of Morph., Vol. VIII, pp. 269-355. 

 Knaukr, Friedr. 



'78. Das Lebendiggebaren bei Salamandra maculata, Schr. und die 

 Farbenveranderung bei den Jungen in der Zeit des Beginns bis zum 

 Abschlusse der Metamorphose. Zool. Am. Jahrg. I, pp. 366-368. 

 Mark, E. L. 



'90. Studies on Lepidosteus, No. 1. Bull. Mus. Comp. Zool., Vol. XIX, 

 pp. 1-127. 

 Pfitzner, W. 



'80. Die Epidermis der Amphibien. Morph. Jahrb., Bd. VI, pp. 469- 



5 2 3- 

 Skilton, A. J. 



'49. Salamandra (Triton) granulosa. Amer. Jour, of Arts and Sci- 

 ences (2), VII, p. 201. 

 Spallanzoni, Abbe 



Dissertations Relative to the Natural History of Animals and Vegeta- 

 bles. Vol. II, Dissertations 1 and 2, Concerning the Generation of 

 certain Animals. English Trans., 17S4, John Murray. 

 Van Denburgh, John 



'95. Notes on the Habits and Distribution of Autodax iecanus. Proc. 

 Cat. Acad. Sci., Vol. V, pp. 776-77S. 

 Wilder, Burt G. 



'76. On the Respiration of Amia. Proc. Amer. Assoc. Adv. of Sci., 

 Vol. XXVI. 

 Wood, J. G. 



'71. The Illustrated Natural History. Reptiles, Fishes, Molluscs, etc. 

 Zeller, E. 



'90. Ueber die Befruchtung bei den Urodelen. Zeitsch.,f wiss. Zool., 



Bd. XLI,pp. 5S3-601. 

 '91. Berichtegung betreffend die Samenaufnahme der weiblichen Trito- 

 nen. Zeitsch.f. wiss. Zool., Bd. LI, pp. 737-741. 



