1895. | NEW YORK ACADEMY OF SCIENCES. on 
dip of the channel sediments is about 15°. A slight faulting of 
all the layers occurs at the same locality. This is the same 
phenomenon illustrated by Vanuxem in the 1842 report on 
page 54. 
LIST OF FOSSILS FOR WHICH TRENTON FALLS IS THE TYPE LOCALITY. 
A list of species not contained in the tabulation of those col- 
lected by the writer, which will be found on pape 93, but which 
have been described from Trenton Falls as their type locality. 
Where no closer designation is appended, the original descrip- 
tion only locates them as “ Trenton Falls.” 
. Acidaspis parvula Walc. (1879) 3lst An. Rep. N. Y. S. Mus. 
69. 
Bellerophon bilobatus var. acutus Hall (1847) Pal. N. Y. L., 
185. 
var. corrugatus Hall op. cit. From spec. in 
Moore collection, Trenton Falls. 
Beyrichia bella Wale. (1883). Advance pages of 35th An. 
Rep. N. Y. S. Mus. 207. From the upper portion of the lime- 
stone. 
Calceocrinus Barrandii Wale. (1883). Same ref. and loca- 
tion. 
Carinaropsis carinata Hall (1847) Pal. N.Y. 1. Fromthe black 
fine-grained layers. 
Conchopeltis alternata Wale. (1879) 28th An. Rep. N. Y. S. 
Mus. 98. From the upper third of the limestone near Prospect 
Bridge. 
Conularia quadrata Wale. (1879) op. cit. Same locality as 
the last. 
Dendrocrinus retractilis Wale. (1883) op. cit. 
Endoceras Vanuxemi Con. (1842) Jour. Acad. Nat. Sci. Phila. 
Rech 26 Pl. 162, 
Glyptocrinus argutus Wale. (1883) op. cit. From upper por- 
tion of the limestone. 
? subnodosus Wale. (1883) op. cit. Same locality 
as the last. 
Heterocrinus simplex Wale. (1883) op. cit. 
laxus Walc. (1883) op. cit. 
Tocrinus Trentonensis Wale. (1883) op. cit. From the upper 
half of the limestone. 
Isotelus planus Dekay (1824) An. N. Y. Lye. N. H. L., 178. 
