. Relics of primeval life, beginning of life in the dawn of geological time. Fig. 12.—Group of pre-Cambrian {Etcheinhiian) Animals from the Etcheminian. (After Matthew.) The name Etcheminian is derived from that of an ancient Indian tribe ofNew Brunswick. {a) Volborthella, supposed to be a Cephalopod shell. {l>\ Pelagiella. (c) Ortho-theca, supposed to be Pteropods. {d\ Primitia, an O^tracod Crustacean, [e) Oboius,a Brachiopod shell. {/) Platjsolenites, probably fragment of a Cystideaii.{g) Globigerinae, casts of Foraminiferal shells, Etcheminian, New Fig. 13.—Arenicolites {Spir

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. Relics of primeval life, beginning of life in the dawn of geological time. Fig. 12.—Group of pre-Cambrian {Etcheinhiian) Animals from the Etcheminian. (After Matthew.) The name Etcheminian is derived from that of an ancient Indian tribe ofNew Brunswick. {a) Volborthella, supposed to be a Cephalopod shell. {l>\ Pelagiella. (c) Ortho-theca, supposed to be Pteropods. {d\ Primitia, an O^tracod Crustacean, [e) Oboius,a Brachiopod shell. {/) Platjsolenites, probably fragment of a Cystideaii.{g) Globigerinae, casts of Foraminiferal shells, Etcheminian, New Fig. 13.—Arenicolites {Spiroscolex) spirales (Billings) and Aspidella tenanovica (Billings), Signal Hill Series, l^eivfoundland. 54

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