rhyolite. Perry dam red shales. Fauna same as Shackford + Leperditia. pleasant point gray & red shales; Anodontopsis, Lingula; ostracods; Leperditia. Moose Island gray shales; green/red argillites, rhyo- lite flow & tufts, trap flow. Anodontopsis; Lingula; ostra- cods; Diaphorostoma (no Streptotrochus; no Leperditia) Shackford dark shales. Anodent- opsis etc; Streptotrochus; Ostracods; Lingula; (no Leperditia) Birch Point shales, basic tufts & limestones. Leperditia & Ostracods. (Lingula, lamellibranchs & gastro- poda unknown or rare) Moose Island {No Corals" corallines, no crinoids Lingula; 2 or 3 spp. chiefly L. cornea Sow. (Temaside) No Orbiculoidea, Pholidops etc. nor articulate Brach. Anodontopsis bulla McCay (Uludlow-Passage, Westmoreland) Small Modioloisoids {No Nuculoid's" Pterinords, no Grammysis etc. Streptotrochus incisum Lindstr. (Highest Gotland) Diaphorostoma glaucinoides Sow. (Passage beds). No other gastropods; no Cephalopods; no "pteropods" Aparchites sp. Primitia cf. mundula type P."[E]" cf. remulina type Teloedenia sp. Ulrichia sp. # Tetradella clarkii Jones var's. (Manlius) Cytherellina Leperditia NO TRILOBITES