﻿HOLOPTTCHIID^E. 331 



Other detached scales, of which there are no examples in the 

 Collection, have also been named as follows : — 



Holoptychius granulatus, J. S. Newberry, Palaeoz. Pishes N. 



America (Mon. U.S. Geol. Surv. no. xvi. 1889), p. 100, 



pi. xx. fig. 9. — Chemung Group ; N. Pennsylvania. 

 Holoptycliius injiexus, M. Lohest, Ann. Soc. Geol. Belg. vol. xv. 



(1888), p. 141, pi. iv. figs. 1-7, pi. v. fig. 4.— Upper 



Devonian ; Belgium. [M. Lohest Collection.] 

 Holoptycliius (?) pustulosis, J. S. Newberry, op. cit. p. 100, 



pi. xx. fig. 11. — Chemung Group; Warren, Pennsylvania. 

 Holoptycliius (?) radiatus, J. S. Newberry, ibid. p. 115, pi. xx. 



figs. 12-14. — Catskill Group; Pennsylvania. [American 



Mus. Nat. Hist. New York.] 

 Holoptycliius tuberculatus, J. S. Newberry, ibid. p. 101, pi. xix. 



fig. 14. — Chemung Group ; Pennsylvania. 



An indeterminable dermal plate from the Devonian of Belgium is 

 also named Holoptycliius omaliusi, L. Agassiz, Poiss. Foss. Y. G. E-. 

 (1844), pp. 61, 75, pi. xxiv. fig. 11, and another fragment from the 

 Eifel is assigned to the same species (ibid. p. 141). 



Holoptycliius falcatus and H. striatus are undefined names 

 applied to Carboniferous fossils (L. Agassiz, Poiss. Foss. vol. i. 

 1844, p. xxxvi). 



II. Glyptolepis. 

 Holoptychius (Glyptolepis) leptopterus, Agassiz. 



[Plate XI. fig. 2.] 



1841. Glyptolepis, H. Miller (ex Agassiz), Old Eed Sandst. p. 8], pi. v. 



fig. 2. 

 1844. Glyptolepis elegans, L. Agassiz, Poiss. Foss. vol. ii. pt. ii. p. 179 



(name only). 

 1844. Glyptolepis leptopterus, L. Agassiz, ibid. p. 179 (name only). 

 1844. Glyptolepis leptopterus, L. Agassiz, Poiss. Foss. V. G. R. pp. 61, 



63, pis. xx., xxi., pi. xxi. a. fig. 1. 

 1844. Glyptolepis elegans, L. Agassiz, ibid. pp. 61, 65, pi. xix. figs. 4, 5, 



pi. xxi. a. fig. 2. 

 1848. Holoptychius sedcjwickii, F. M'Ooy, Ann. Mag. Nat. Hist. [2] 



vol. ii. p. 811. [Woodwardian Museum, Cambridge.] 

 1855. Glyptolepis leptopterus, F. M'Coy, Brit. Palaeoz. Foss. p. 590. 

 1855. Holoptychius sedcjwickii, F. M'Coy, ibid. p. 595, pi. ii. D. fig. 6. 



