DOWLING. 
SILURIAN FOSSILS 
39 F 
Small island in the northern Sutton Mill lake ; one specimen. 
This species occurs also in the Niagara and Guelph formations of 
Ontario. 
OCTOCORALLA. 
Halysites catennlaria, L. 
“The typical form, as identitie<l by Canadian and United States 
pahcontologists, under this name or th.-it of Caienipora cscharouk-s, 
Lamarck, and C. agylomerata. Hall.” Laiube. 
Ek wan river, foot of portage road : one .specimen, that, according 
to Mr. LamW, is like specimens from the Niagara and tluelph forma- 
tions of Ontario and from Division 4 of the Anticosti group of Anticosti. 
Lydl'm s}iperha. { = Tmuatopora svperha, Billings.) 
Ekwan river, portage road at falls ; one specimen. 
HYDROZOA. 
Stromatoporoidea, genera and species undetermined. 
Ekwan river, portage road at falls : two fragments, which seem to 
be referable to different genera. 
ECHINODEiniATA. 
Crinoidca, genera and species uncertain. 
Ekwan river, portage road at falls ; a ca.st of the interior of a dorsal 
cup, that shows little more than the general shape and the impress of 
a few large hexagonal plates. Foot of portage road : two portions of 
finely aimulated columns, which are circular in section and perforated 
by a pentalobatc axial canal. 
POIA’ZOA. 
Fencslella subarcuca, sp. nov.* 
Zoariuin .spreading, .somewhat fan-shaped, but probably funnel 
shaped when perfect, Hranehe.s very slender, carinated on the celluli- 
ferous face, and averaging frmn a fourth to a tliird of a millimetre in 
thickncHs. Bifurcations very infretpient in the only .specimen collected, 
*Tt is hojK'd that tho new si«?cir's describe-1 in thi.'< .'ijU'endix, will soon be illns- 
trated in one of the p.-vheontohigicnl jntbliciition.s* of the Survey. 
