AGNATHA AND PISCES. 437 



(Rep. Geol. Surv. Ohio, vol. i, pt. n, 1873), p. 307; 

 Pander, no. 35 ; Rohon, Verhandl. k. Min. Ges. Peters- 

 burg, vol. xxxin (1895), p. 1 [Ptyctodus]. 



Squaloraja. A. S. Woodward, Proc. Zool. Soc., 1886, p. 527, 

 iind ibid. 1887, p. 481 ; Howes, ibid. 1890, p. 675. 



Mi/riacanthus. A. S. Woodward, no. 10, vol. n, and Ann. 

 Mag. Nat. Hist. [6] vol. iv (1889), p. 275. 



Chimceridtt. Newton, no. 33 ; Riess, no. 34 ; L. von Ammon, 

 Berichte naturw. Verein. Regensburg, pt. v (1896), p. 

 253; E. Philippi, Palteontogr., vol. XLIV (1897), p. 1. 



DIPNOI. 



35. C. H. PANDER. Ueber die Ctenodipterinen des Devon- 



ischen Systems. St Petersburg, 1858. 



36. R. H. TRAQUAIR. On the Genera Dipterus, Palwdaphus, 



Holodus, and Cheirodus. Ann. Mag. Nat. Hist. [5], 

 vol. II (1878), p. 1. 



37. L. DOLLO. Sur la Phyloge'nie des Dipneustes. Bull. 



Soc. Beige G&>1., etc., vol. ix (1895), p. 79. 



Uronemiis. Traquair, Journ. Roy. Geol. Soc. Ireland, n. s., 



vol. in (1873), p. 41, and Proc. Roy. Soc. Ediub., vol. 



xvii (1890), p. 393. 

 Conchopoma. Kner, SB. k. Akad. Wiss., math.-naturw. Cl., 



voL LVII, pt. I (1868), p. 279. 

 Dipterus. Pander, no. 35: Traquair, nos. 21 [restoration], 



36, and Geol. Mag. [3] vol. vi (1889), p. 97; Dollo, 



no. 37. 

 Ctenodus. A. Fritsch, no v 50, vol. II ; Miall, Proc. Yorks. 



Geol. and Polyt. Soc., n. s., vol. vn (1880), p. 289. 

 Ceratodus. Miall, Mon. Siren, and Crossopt. Ganoids 



(Paheont. Soc., 1878), pt. I [teeth]; T. C. Winkler, 



Archiv Mus. Teyler, vol. v (1880), p. 141 [tail]; F. 



Teller, Abh. k. k. geol. Reichsanst. Wien, vol. xv, pt. 3 



(1891) [.skull]. 



ARTHRODIRA. 



See iios. 21, 24, 28. 



Coccosteus. Traquair, no. 21, and Ann. Mag. Nat. Hist. [6] 

 vol. v (1890), p. 125 ; A. S. Woodward, no. 10, vol. n. 



Eomosteut. Traquair, no. 21, and Geol. Mag. [3] vol. vi 

 (1889), p. 1. 



