ob PALEOZOIC PALEONTOLOGY. 
characters, the Longwood red shales, and it is possible that, with 
future studies upon the relationship between this formation in New 
Jersey with the typical Medina, it may be found advisable to use the 
name Longwood to include the beds of both the Green Pond and the 
Delaware valley regions, as they were probably continuous at the time 
of deposition over the crystalline highlands and the Kittatinny valley. 
In the Green Pond region Dr. Kiimmel has estimated the thickness 
of the Longwood beds to be over 200 feet. 
THE NEARPASS SECTION. 
‘Fhe formations lying above the Medina sandstone in New Jersey, 
with the exception of the Devonian formations younger than the 
Onondaga limestone and the Newfoundland grit, have their most 
typical development in the Wallpack ridge. This ridge hes between 
the Kittatinny mountain and the Delaware river, extending in a north- 
east-southwest direction from the New York State line to the Wall- 
pack bend in the Delaware river at Flatbrookville. At the north, just 
north of the State line, the ridge is transected by the Clove brook, 
which drains the northern half of the valley between the Wallpack 
ridge and the Kittatinny mountain, and which empties into the 
Neversink river at Tri-States, New York, near the junction of the 
latter stream with the Delaware. The southern half of the valley 
between the ridge and the mountain is drained by Flatbrook. At the 
mouth of Flatbrook, the Delaware river describes the great, sigmodial, 
Wallpack bend, cutting through the Wallpack ridge, whose more south- 
western extension is in the State of Pennsylvania. 
‘Fhe strata of the Wallpack ridge all dip, with some local exces 
more or less steeply to the northwest, so that in passing from the Clove- 
Flatbrook valley to the Delaware river younger and younger strata 
are encountered. The northwestern slope of the ridge usually approxi- 
mates more or less closely to the dip of the strata, so that the complete 
section is usually exhibited in passing from the valley on the east to 
a little beyond the crest of the ridge. 
Roek exposures are frequent throughout the entire length of the 
Wallpack ridge, and many of the strata are highly fossiliferous. The 
best section for study, however, is at the old William Nearpass quarry 
and in the ridges lving beyond, on the farms of Sanford Nearpass and 
