4 TRANSACTIONS OF THE [ocr. 28, 
New Jersey has consisted of a series of discoveries, the signifi- 
cance of which could only be appreciated after they were linked 
together. The occurrence of strata belonging to the so-called 
non-marine Cretaceous (Amboy Clay Series of Newberry, Rari- 
tan Formation of Clark, Upper Potomac Formation of Ward) 
on Staten Island, Long Island and Martha’s Vineyard was 
demonstrated some time ago, by the identification of numerous 
fossil leaves characteristic of the horizon, found at these locali- 
fies. 
Evidence of any marine cretaceous, was, however, not so 
abundant, and on Long Island was confined to the alleged dis- 
covery of an Hxogyra, in the moraine at Brooklyn, about sixty 
feet below the surface. 
During the summer and autumn of 1894 lithologic indica- 
tions of marl strata were found on the north shore of Center 
Island at Oyster Bay, but a subsequent visit to the locality 
failed to verify them. 
Shortly afterwards word was received from Prof. D. 8S. Mar- 
tin, of the Brooklyn Institute, that a drift bowlder containing 
cretaceous molluscs, found on Long Island, was in the possession 
of the Institute. This, with all the facts in regard to it, was 
placed at my disposal. The material was found to consist of 
greensand marl, hardened by the oxidation of iron, and con- 
tained poorly preserved remains and casts of Grypheza vesicu- 
laris, Ostrea larva, Cucullea sp.?, Serpula sp.?, ete. It was 
discovered during the excavation of a reservoir inthe upper por- 
tion of the moraine at East New York (now the 26th ward of 
Brooklyn). 
About the same time I was fortunate enough to find ferrugin- 
ous concretions in the moraine at the end of Montauk Point, 
also containing fragmentary molluscs, too imperfect however 
for accurate determination. One specimen is apparently a 
Gryphea and another is a coiled shell resembling a Turritella, 
but further than this no comparison would be advisable. 
Meagre and unsatisfactory as these remains are, they never- 
theless serve to indicate the former existence of marine cre- 
taceous strata where no previous evidence of such had been 
found. Occurring as they do, as morainal material, we must 
necessarily infer that the outcrops from which they were eroded 
existed yet further to the north, and inasmuch as well-defined 
Hollick, Arthur. Trans. N. Y.-Acad. Sei. XT. (1892) 96-104; XIT. (1892) 28-39; XII. 
(1893 5) Se 237; Bull. Torrey Bot. Club, X-XT. (1894) 49-65, ete. 
. White, ries: Am. eee Be XXXIX. (1890) 93-101. 
: Jay, P. and Redfield, C. Minutes N. Y. Lye. Nat. Hist. Dec. 19th, 1842; 
Jan. 9th, as Abstr. Proce. 4th Ee Assn. Am. Geol. and Nat. in Am. Journ. Sei. 
XLV. ( 184: 3) 156. 
