Field Notebook: Ontario 1912
Page 57
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Transcription
wards from the transition beds to the more typical Utica. The most abundant fossil is undoubtedly Basiliscus canadensis, sparingly in the lime- stone but wonderfully prolific but always fragmentary in the Coell shales. But we entire full form specimen in the limestone. The next most abundant fossil is al- monella testudinaris multisecta, and a highly convex Rafinesquina. The latter in the shale is always flat. Ojectambulus gracilis is also common in the lowermost limestone but some granites. One may say that all the brachiopods vanish with the limestone. Platystrophia also occurs but they look more as if a large Jygrospira. Then there is very rarely a Hepatella and probably like the Kentucky Taunton form. Lingula Strongensis is common in the local shales. Leftorulus may also occur here and if so my material will show it. In the shales of other triadites Trionchus feeli is fairly common and here we does not see a trace of T. spinosus or chance-