904 ON A DENTAL PECULIARITY OF THE LEPIDOSTEID®. 
- that the author of the paper speaks with a eaiat deal of pate 
we will take it for granted that he was weil enough acquainted 
with the external characteristics of Paloniscus, Pyg sete erus, 
and Acrolepis, to be able to determine that these fossil remains 
ee to one or other of these genera or were close allies. 
1 the period of the publication of Professor Huxley’s 
Nd Sorte: of — fishes there was great difficulty in arranging 
them, not because there was no master mind to reduce the chaos, 
but because the Secgidinin ot the fishes were either too scanty or 
too securely hidden in private cabinets. Even Huxle 
non-lobate paired fins. Of the fonail fishes bearing these ge gen wri 
— points, the soeabar have bees en named :—Palzo 
reparing my papers on the “ Microscopical Structure of Foss 
‘eeth broes the Morthaniberlesid True Coal Measures,” for the 
closely. My attention was drawn to the teeth of these five 
genera by a ‘the. per ie in ve third volume of the “ Trans- 
~ of t —— d and a Natural corer. 
SS ck _ 
radio a charaeteristic present in ~ the genera pertaining to 
the Re Perteetitn: No. one appears to have inferred that the 
of all the genera of this family might be thus tipped with 
. 
