298 On the occurrence of Fossiliferous Strata in the (Maré, 
to a lower group, there is no need to consider them farther. Thy 
must be cancelled from the Catskill fauna. ‘i 
The only other fossils derived from any part of the Catskl if 
group are fish remains, and these are the most important ofal 
From N. York and Northern Pennsylvania have been reporte 
‘two or perhaps three species identified chiefly by scales. Thy 
ae Floloptychius americanus Leidy. 
. Bothriolepis taylori Hall. 
Sauripteris taylori Hall. | 
The first of these species rests solely on scales, and perhap 
teeth; the second on similar evidence, the third upon a fossil fit 
It is, however, more than probable that the second and third be 
long to the same species. In that case there are two well-matie! 
forms of fish which compose the whole Catskill fauna of this 
country. These fossils have a special importance from thè 
that both in Europe and America they are the characteristic if 
of the Upper Devonian. The various.“ fish beds” form the "E 
plane of the Catskill group of rocks. According to present Knot: 
edge all above the lowest bed containing Holoptychius is Casi 
all below it is not Catskill. Here is a clear sharp line, at PI” 
marking off the uppermost beds of the Devonian from all ben a 
them—a floor, as it were, for the group. a 
Five plants then are all the vegetable remains that have b 
thus far reported on tolerably good evidence from the ~a 
group, and even of this small number it is quite prope” 
critical study will eliminate some. Two species of fish im 
manner constitute the whole animal kingdom of the (© 
rocks. ce 
ft is right to add here that Professor J. F. Wana 
Canadian Geological Survey has recently described some Pi 
the Upper Devonian of Scaumenac bay, which may proi 
of equivalent age to the Catskill of New York and ee 
“ These fish-bearing beds,” he says, “ are immediately 0V% 
e sandstones and conglomerates of the Bonaventure 10 
of the Lower Carboniferous,”? Po 
The following species have been mentioned by Mre 
from these beds : 
Pterichthys canadensis Glyptolepis mierolepidotit 
Phaneropleuron curtum Cheirolepis canadenst 
Eusthenopteron foordi. — 
1\Canadian NaturalistVol, X, No. 2; also AMERICAN NATURALIST for Fe» : 
