98 TRANSACTIONS OF THE [FEB. 29, 
S. Stanton, who kindly turned the specimen over to me. This 
locality is at the extreme opposite end of the island to Tottenville, 
the only other place where fossil leaves had been found, so that, as 
in the case of the Pachycardium, the importance of the find was 
not realized at the time, and the opinion was expressed by me that 
it was probably of drift origin (Proc. Nat. Sci. Assn..S. I. Dee. 8, 
1888). 
Outcrops of what were apparently cretaceous clays and gravel 
were next discovered on the shore and in the ravine at Prince’s 
Bay, on the shore at Eltingville, and in an excavation on the north 
side of the Fingerboard Road at Clifton. In the meantime the 
material from Tottenville was accumulating, some of the specimens 
being in such an excellent state of preservation that the species of 
leaves could be accurately studied and determined, leaving no 
question as to their cretaceous age. No animal remains had as yet, 
however, been discovered, if we except the single Pachycardium 
previously mentioned. 
On May 1, 1889, in company with Dr. Britton, we were examin- 
ing the clay beds along the Raritan River at Perth Amboy, N. J. 
Here we found ferruginous sandstones and concretions containing 
molluses, but in all other respects identical with the leaf-bearing 
concretions from Tottenville. This encouraged us to believe that 
careful search on Staten Island would probably yield similar results, 
and such has been the case. In October of last year (1891), I 
found molluses in the concretions at Tottenville, and, during the 
same month, specimens were also found at Arrochar. These and 
the ones from Perth Amboy were submitted to Prof. Whitfield, and 
were, by him, determined to be marine cretaceous species. 
Finally, in the following month, I found well-preserved fossil 
leaves of undoubted cretaceous species on the shore at Prince’s Bay, 
an intermediate locality on the south shore of the island, in con- 
eretions, in all respects similar to those from Amboy, Tottenville, 
and Arrochar. 
Following is a list of the molluscs as far as they have been 
identified :— 
Corbula sp? (possibly a new species), Perth Amboy. 
Pachycardium Burlingtonense, Whitfield, Tottenville. 
Terebratella Vanuxemi, Lyell and Forbes, Tottenville. 
Terebratulina Atlantica, Say, (?) Tottenville. 
Cardium (Criocardium) dumosum, Conrad, Arrochar. 
Ostrea plumosa, Morton, (?) Arrochar. 
Aphrodina Tippana, Conrad, (?) Arrochar. 
This latter may be Callista Delawarensis, Gabb. 
Gryphea sp (?) (a young specimen) Arrochar. 
There are also some two or three other species which are too im- 
perfect for determination. 
The plant remains are far more numerous. In some instances 
the stone is composed entirely of a mass of vegetable débris 
cemented together with limonite. In almost every one of the 
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