82 THE HAMILTON ASSOCIATION. 
the past few years ; the lumps of chert have had insufficient 
time as yet to weather, but a considerable number of the 
sections of sponges were obtained close to the outlet of the cor- 
poration drain. Not far fromthe Albion Mills there is a small 
patch of swampy land which afforded me some well-preserved 
flint-flake chert fossils. 
Organic remains, Hamilton, not recorded as occurring 
here, obtained during season 1899. 
Winona, Combro-Silurian drift ; 
Conularia gracilis. 
Cyrtodonta, 2 species. 
Monticulipora, species. 
Medina, Hyatilla Congesta, Clinton crinoid (N. S., proba- 
bly). 
Niagaras and Chert beds : several new sponges and sec- 
tions ; Certocephela— Warden; Cornulites Clintoni; Cornulites, 
2 species; Murchisonea (N. S., probably) ; Acidaspis ; Lepto- 
bolus, 2 species. 
The only three of this family known were described as 
occurring in lower Silurians, by Hall. Their discovery in our 
local chert beds may be of interest to Paleontologists. Whether 
they are new species or varieties, in the absence of the described 
originals, cannot be determined. These I have not seen figured. 
Note.—The list here given is incomplete. Other speci- 
mens, supposed to be zew species, have been forwarded to ex- 
perts for decision, and some fossils, rare with us but previously 
discovered in the United States, were obtained and sent to the 
Dominion Geological Survey office; Ottawa, as well as to the 
old country. 
