﻿1WL.KONISCID.E. *147 



33991-92. Small individual, wanting head, and the caudal region 

 of another specimen, probably of this species. 



Presented by Sir Roderick I. Murchison, K.C.B., 1860. 



The following specimens are of the form named Palceoniscus 

 angustus by Agassiz, Poiss. Poss. vol. ii. pt. i. (1833), pp. 4, 57, 

 pi. ix. figs. 1-5 * ; but it is still uncertain whether they may not 

 be the young of A. voltzi. They are provisionally assigned to Am- 

 blypterm by Traquair, Quart. Journ. Geol. Soc. vol. xxxiii. p. 558. 



P. 990. Obscurely preserved specimen, exhibiting a short regular 

 series of slender conical teeth ; Muse, near Autun. 



Egerton Coll. 



P. 3475. A more satisfactorily preserved trunk, with imperfect 

 head ; Muse. Enniskillen Coll. 



The following specimens may pertain to Amblypterus, as here 

 defined, but do not suffice for exact determination: — 



P. 6290. Small fish, wanting the greater part of the head arid paired 

 fins ; Lower Permian, Kostialov, Bohemia. Purchased. 



P. 5564. Smaller fish, with imperfect head ; Lower Permian, 

 Nyfan, Bohemia. Purchased, 1888. 



P. 995. Fish 0-125 in length, with imperfect fins ; Coal-Measures, 

 Commentry, Allier, France. Egerton Coll. 



P. 1013. Imperfect larger specimen, noticed by Egerton, Quart. 

 Journ. Geol. Soc. vol. vi. p. 8 ; Coal-Measures, Liege, 

 Belgium. Egerton Coll. 



The following species have also been described, but there are no 

 examples in the Collection : — 



Amblypterus costatus : Palceoniscus costatus, E. von Eichwald, 

 Leth. Rossica, vol. i. (1860), p. 1583, pi. lv. fig. 10.— 

 Permian ; Kargala, Govt, of Orenburg, Russia. 



Amblypterus gelberti, R. H. Traquair, Quart. Journ. Geol. Soc. 

 vol. xxxiii. (1877), p. 558 : Palceoniscus gelberti, Goldfuss, 

 Beitr. vorweltl. Fauna Steinkohlengeb. (1847), p. 17, pi. iv. 

 figs. 4-6. — Lower Permian ; Heimkirchen, near Kaisers- 

 lautern. [University of Bonn.] 



Amblypterus (?) nanus : Palceoniscus nanus, E. von Eichwald, Bull. 

 Soc. Imp. Nat. Moscou, 1857, pt. ii. p. 350, and Leth. 



1 Specimens from the Lower Permian of Hohenelbe are also assigned to 

 this species by H. B. Geinitz, Dyas, p. 20, pi. x. figs. 2, 3. 



