116 PALEONTOLOGY OF NEW JERSEY. 
extended along the side of the spire to the second volution above, so as to 
indicate the existence of a posterior canal. If this is correct and not a 
result of compression, it would remove it from the genus Anchwa and ally 
it more nearly with Helicaulax Gabb, which has the canal passing along 
the spire to near its summit. There is, however, a great diversity of opimion 
as to the range of these genera, and I think that half the number which 
now exist would better serve the purposes of classification. Stoliczka would 
apparently place this shell and all its group under Alaria M. & L., but they 
have no lip-like varices. 
Formation and locality: 1 find specimens of this species in collections 
from various localities, judging from their characters, but most of them are 
marked simply ‘‘New Jersey.” They are found at Freehold, Mullica Hill, 
Marlborough, Cream Ridge, and many other places in the Lower Marls, 
and are common in the Cretaceous in Alabama. 
ANCHURA PAGODAFORMIS, 0. sp. 
Plate xiv, Figs. 15, 16. 
A single cast of a large species, evidently an Anchura, comes from the 
lowest layers of green sand in Monmouth County without more special 
locality. It is so marked in its character that I have thought it worth while 
to designate it by name, in hopes that other and better examples may be 
discovered before the work on the Marls shall be closed. The east, without 
anterior beak and lacking some four or more volutions of the apex, is nearly 
3 inches in length, and considerably over an inch and a quarter in diameter 
across the body volution. The volutions are very compactly coiled, indi- 
cating a rather thin shell, and the lower volutions are rather flattened ver- 
tically, the last one showing evidence of a depression a little below the 
shoulder. Above, the coils are more rounded, from a thickening of the 
shell on the inside. The aperture appears to have been constricted on the 
back of the expansion, the cast being broken just at the beginning of 
the widening portion and showing the commencement of the upward 
expansion of the lip. No surface markings are visible on any part of the 
shell. The center of the shell is perforated, but not largely so, indicating 
a slender axis, The species differs from all others noticed, not only in its 
