Fig. 12. — Group of pre- Cambrian [Etclieniinian) Anwials from the 



Etcheminian. (After Matthew.) 



The name " Etcheminian " is derived from that of an ancient Indian tribe of 

 New Brunswick. 



(a) Volborthella, supposed to be a Cephalopod shell. (// Pelagiella. (c) Ortho- 

 theca, supposed to be Pteropods. (d Primitia, an O^tracod Crustacean, [e] Obcjius, 

 a Brachiopod shell. [/) Piatysolenites. probably frag^ient of a Cystidean. 

 (^) Globigerinae, casts of Foramimferal shells, Etcheminian, New Brunswick. 



Fig. i^.—Arenicolites {Spiroscolex) spiraies (Billings) and Aspidella 



tenanovica (Billings), Signal Hill Series, Nezvfoundlatid. 



54 



