ACAisrxnoDiD^:. 
7 
taming a small coiled fish, tolerably well preserved ; 
Lebach, Ehenish Prussia. Purchased, 1866. 
P. 1324, P. 4477. Nodule with an imperfect fish resembling that 
figured by Agassiz, tom. cit. pi. i. fig. 1; Lebach. 
Ecjerton and Enniskillen Colls. 
P. 1324 a, P. 3249. Specimen in a large nodule, not coiled, and 
only slightly crushed; Lebach. In the region of the head 
are remains of the circumorbital plates and branchial 
arches; and the pectoral, pelvic, and dorsal fin-spines are 
more or less imperfectly preserved. 
Egerton and Enniskillen Colls. 
P. 4477 a. Half of nodule containing the head and the greater 
portion of the coiled-up trunk ; Lebach. Some of the 
circumorbital plates and remains of the granular dermal 
covering of the head are preserved ; fragments of branchial 
arches occur below and behind the head ; and all the fin- 
spines are shown, at least in part. Enniskillen Coll . 
P. 6192. Five small specimens, one being in counterpart; Lebach. 
Golclenberg Coll. 
P. 6192 a. Remains of head and branchial arches ; Lebach. 
Goldenberg Coll. 
33060, 33063. Five imperfect fishes, variously broken and distorted, 
preserved in shale, and displaying all the principal cha¬ 
racters of the species ; Klein Neundorf, near Lowenberg, 
Silesia. Purchased , 1858. 
P. 1325. Four specimens in a similar state of preservation, but 
mostly finer ; Klein Neundorf. Egerton Coll. 
P. 3248. Small specimen, wanting extremity of tail; Klein Neundorf. 
The sketch of the pectoral fin given in fig. 2 is chiefly 
based upon this specimen. Enniskillen Coll. 
38159. Caudal region of a very large fish, doubtfully of this species ; 
Klein Neundorf. 
Presented by Sir Roderick I. Murchison , K.C.B. , 1864. 
Acanthodes rouvillei, Sauvage. 
1883. Acanthodes rouvillei, H. E. Sauvage, Bull. Soc. G6ol. France, j_3] 
vol. xi. p. 475, pi. x. fig. 1. 
Type. Nearly complete fish. 
A small species closely allied to A. bronni. Body much elongated 
