1895. | NEW YORK ACADEMY OF SCIENCES. 265 
posed on this shore, the higher zones being out of view in the 
channel of the river. Trilobites and Brachiopods are not now 
easily obtained, but there is no lack of hydrosomes of Dictyo- 
nema to be had, both above and below the horizon where they 
are marked on the map. The strike of the beds is about N. 40° 
- Pa 
Lo" Dictyonered cS 
a: ¢.. 
e \ 
E., and the dip 80° to the south, the measures here being over 
turned. On the east and south sides of the island the slate 
ledges are concealed by Post-pleiocene deposits. 
I have been somewhat explicit in describing this island, as it 
is the only place in the St. John Basin where Dictyonema flabel- 
liforme and its associated graptolites have been found. 
CLONOGRAPTUS, Hall, 1843. 
CLONOGRAPTUS PROXIMATUS n. sp. Pl. XLVIII. figs. I, a to d. 
Hydrosome subsymmetrical on the two sides of a plane at 
right angles to the funacle, but asymmetrical on the two sides 
of a plane parallel to that part. One of these sidés, which may 
be called the patent side, occupies more than a semi-circle: the 
other, the confert side, spread its branches over about one-third of 
a circle. Not counting the funacle as a branch, on the patent 
side the angles between the secondary, tertiary and quaternary 
