PAL ZEOXISCJ DJE. 
447 
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 Pcdceoniscus 
angustus b} T Agassiz, Poiss. Foss. vol. ii. pt. i. (1833), pp. 4, 57, 
pi. ix. figs. 1-5 1 ; but it is still uncertain whether they may not 
he the young of A. voltzi. They are provisionally assigned to Am- 
blypterus 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 and paired 
bus ; Lower Permian, Kostialov, Bohemia. Purchased. 
P. 5564. Smaller fish, with imperfect head; Lower Permian, 
Hyran, Bohemia. Purchased , 1888. 
P. 995. Fish 0T25 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 :— —^ 
C tf.** c/Jtrr / < Tn ' 
/ Amblypterus costatus : Palceomscus costatus , E. von Lichwald, 
Leth. Eossica, vol. i. (1860), p. 1583, pi. lv. fig. 10.— 
Permian; Kargala, Govt, of Orenburg, Eussia. 
Amblypterus gelberii, E. H. Traquair, Quart. Journ. Geol. Soc. 
vol. xxxiii. (1877), p. 558 : Pcdceoniscus gelberti, Goldfuss, 
Beitr. vorweltl. Fauna Steinkohlengeb. (1847), p. 17, pi. iv. 
figs. 4-6.—Lower Permian; Heimkirchen, near Kaisers¬ 
lautern. [University of Bonn.] 
* t Amblypterus (?) nanus : Pcdceoniscus nanus , E. von Eichwald, Bull. 
Soc. Imp. Hat. 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. 
