146 Geological Society. 
boniferous-Limestone types are represented only by very small 
specimens in the Yoredale series; certain Coal-measure fish make 
their first appearance in these Yoredale beds; but a large propor- 
tion of the species in the latter are peculiar to the formation. 
Of the thirty-four species cited twenty are identified with known 
Carboniferous-Limestone forms, namely :—Cladacanthus paradoxus, 
Ag.; Physonemus hamatus, Ag.; Cladodus mucronatus and Hornet, 
Davis, and C. striatus, Ag.; Pristicladodus dentatus, McC., and con- 
einnus, Davis; Glyphanodus tenuis, Davis ; Petalodopsis tripartitus, 
Davis ; Polyrjizodus Colei, Davis ; Diclitodus scitulus, Davis; Peta- 
lodus acuminatus, Ag.; Pleurodus Woodi, Davis ; Pacilodus corru- 
gatus, Davis ; Lophodus reticulatus, serratus, and bifurcatus, Davis ; 
Psammodus rugosus, Ag. ; Copodus cornutus, Ag. ; and Ctenopetalus 
erenatus, Davis. The Coal-measure species, Megalichthys Hibberti, 
is also cited. The remaining thirteen species are described as new ; 
they are :—Chomatodus lamelliformis, Sandalodus minor, Lophodus 
conicus and angularis, Deltoptychius plicatus, and the following, 
which are regarded as the types of new genera: Gomphacanthus 
acutus, Hemicladodus unicuspidatus, Astrabodus eapansus, Cyrto- 
nodus gibbus, Echinodus paradoxus, Diplacodus bulboides, Mycetodus 
verrucosus, and Cercidognathus canaliculatus. 
In conclusion the author noticed the occurrence, associated with 
the above, of some very fragmentary remains, apparently belonging 
to a Labyrinthodont, a portion of which have already been described 
by Prof. Miall in the ‘ Quarterly Journal’ (vol. xxx. p. 775). 
These remains consist of parts of the head and of one hind limb. 
January 9, 1884.—J. W. Hulke, Esq., F.R.S., 
President, in the Chair. 
The following communication was read :— 
“On further Discoveries of Vertebrate Remains in the Triassic 
Strata of the South Coast of Devonshire, between Budleigh Salterton 
and Sidmouth.” By A. T. Metcalfe, Esq., F.G.S. 
The author gave a brief stratigraphical account of the Triassic 
rocks of the coast. He then described some vertebrate remains, 
consisting chiefly of portions of jaw-bones with teeth in line, pro- 
bably of Labyrinthodonts, found in the Upper Sandstones ( Ussher’s 
classification) at High Peake Hill, near Sidmouth, by H. J. Carter, 
Esq., F.R.S. At numerous places between Budleigh Salterton and 
Sidmouth Mr. Carter and the author had found a large number of 
isolated bone fragments. Such fragments had been submitted to a 
microscopical examination by Mr. Carter. In some specimens the 
bone structure was visible throughout; in some the bony portion 
had been partially removed and replaced by an infiltration of 
mineral matter; in others the removal of the bony portion was 
complete. From these facts the author drew the conclusion that a 
comparative abundance of vertebrate life was maintained during the 
