Birdsville. Camarsphria wortheni, Ind., 11th Ann. Pentremite pyriformis. abundant, Sandstone of Birdsville are mini laminated while those of Cypress are more massive. Shales in Birderville but not with Cypress. Send me with the boring beds of limestone = Birdsville, with my thin layer of Limestone in Egisto Cypress. Birdsville limestone was weathered to rusty brown yellow. Fossils loose in trip, { Semi lithographic limestone now, from both a deeper Birdsville = C, Membrane - "ligny" plated chest, interfolded shales. Shell so, blue the chesters } Derbya crassa, Spinifera vesicosa larger in fresh but thin in Birdsville. Zaphrentus spirulosa in Birdsville = 2x in Osara VIII,10. Tribune Agassizocinus conicus abundant. Tribe met rare. Birderville. Productus fine ridges, silicified. Pentremite pyriformis, Tribe, recced Birdenville abundant Productus crna Less rare in Tribune More rare i. Birdsville. Lysipora rara Lysipora ranosculum. VIII, 20. Lysipora lehara = smaller species. Pentremite gordoni, Common in Tribune: Eolite 2 specimens with Archimede.