WELLBURN : FISH FAUNA OF YORKSHIRE COAL MEASURES. 16T 
teeth. This specimen was found in the shale above the Better 
Bed Coal, Low Moor. Very rare, distribution very limited. 
Family : Osteolepidse. 
Genus: Megalichthys Agassiz, 1844. 
Sp. M. Hibherti Agassiz, 1844. 
The Yorkshire Coal Measures have yielded some of the finest 
known specimens of this fish ; Agassiz's Type and the beautiful 
fish in the Leeds Museum having been found in these measures. 
Common and widely distributed. 
Sp. M. j^ygmceus Traquair, 1879. 
In the author's collection are several fine Mandibular rami 
and other fragmentary remains of this fish. Hare, and not widely 
distributed. 
Sp. M. intermedins A. S. Woodward, 1891. 
Present in a fragmentary condition. Rare, not widely dis- 
tributed. 
Sp. M. coccolepis Young, 1870. 
Present, but rare ; distribution very limited. 
Sub-order : Actinistia. 
Family : Ccelacanthidae. 
Genus: Cvelacanthus Agassiz, 1844. 
Sp. C. tingleyensis Davids, 1884. 
The Cannel Coal at Tingley has 3'ielded many beautiful 
specimens of this fish, but the fish is not peculiar to that district, 
being found in other districts. 
Not common except at Tingley, distribution not wide. 
Sp. C. elegans {lepturus Ag.) Newberry, 1856. 
This species is one of the most common, and has the widest 
distribution of any fish in the Yorkshire Coal Measures, but is 
generally found in a very fragmentary condition. 
Sp. C. Phillipsi Agassiz, 1844. 
The type of this species was found in a " Baum Pot " above 
the Halifax Hard Bed Coal : it is the only specimen known. 
Sp. G. elongatus Huxley, 1866. 
In the author's collection are specimens from Tingley, showing 
well the characters of this fish. Rare ; only found in above locality. 
