﻿ASTEROLTiriDJB. 



20' 



P. 5052 b. A small imperfect plate, 0*06 in length, probably part 

 of a median dorsal ; King's Steps. 



Presented by John Edward Lee, Esq., 1885. 



Fragments of the pectoral appendages of Asterolepis, from the 

 Devonian of Russia, are also described under the following names : — 



Odontacanthus crenatus, L. Agassiz, Poiss. Foss. V. G. R. (1845), 



pp. Ill, 115, pi. xxxiii. fig. 7 : Ctenoptychlus crenatus, L. 



Agassiz, Poiss. Poss. vol. iii. (1843), p. 173. — Devonian ; 



Megra. 

 Odontacanthus heterodon, L. Agassiz, ibid. (1845), pp. Ill, 115, 



pi. xxxiii. fig. 8. — Devonian ; near Riga. 

 barcodes pushdifer, L. Agassiz, ibid. (1845), pp. Ill, 115, 



pi. xxxiii. fig. 9. — Devonian ; near St. Petersburg. 



Dermal plates of Ostracoderms, &c, too imperfect for satisfactory 

 determination, have also been assigned to Asterolepis under the 

 following names : — 



Asterolepis australis, P. M'Coy, Prodr. Palseont. Victoria (Geol. 

 Surv. Vict.), dec. iv. (1876), p. 19, pi. xxxv. fig. 7 (re- 

 garded as variety of A. ornata). — Middle Devonian ; 

 Buchan River, North Gippsland, Yictoria. [Melbourne 

 Museum.] 



Asterolepis bohemica, J. Barrande, Syst. Silur. Boheme, vol. i. 

 Suppl. (1872), p. 637, pi. xxix. — Upper Silurian (g 1) ; 

 Chotecz, Bohemia. [Royal Bohemian Museum, Prague.] 



Asterolepis depressa, E. von Eichwald, Archiv f. Mineral., Geogn., 

 &c, vol. xix. (1845), p. 674, and Leth. Rossica, vol. i. 

 (1860), p. 1510 : Pterichthys depressus, E. von Eichwald, 

 Bull. Soc. Imp. Nat. Moscou, vol. xvii. (1844), p. 829.— 

 Devonian ; Marjina, near Pawlowsk, and River Aa, 

 Livonia. [University of St. Petersburg.] 



Asterolepis gramdata, L. Agassiz, Poiss. Poss. V. G. R. (1845), 

 pp. 94, 147, pi. xxx. fig. 12, pi. xxx. a. fig. 12. — Devonian; 

 Riga. 



Asterolepis malcolmsoni, L. Agassiz, ibid. (1845), p. 147, pi. xxx. a. 

 fig. 16. — Upper Old Red Sandstone ; Scat Craig, Elgin. 

 [? A. maxima.'] 



Asterolepis minor, L. Agassiz, ibid. (1845), pp. 94, 147, pi. xxviii. a. 

 fig. A (in part), pi. xxx. fig. 11, pi. xxxi. a. figs. 29, 30 : 

 Asterolepis miliaris, L. Agassiz, ibid. p. 61 : Chelonichihys 



