' MUS. COMP. ZOOL 

 LIBRARY 



JAN 2 8 1960 

 UNIVERSITY 



Abbreviations. 



A. = Angelin. 

 Barr. = Barrande. 



Br. = Broggkr. 

 Brgn. = Brongniart. 

 Dm = Dalman. 

 E. & H. = M. Edwards & Haime. 

 Eichw. = Eichwald. 



H. = HiSINGER. 



Hm = Holm. 



L. = LlNNE. 



Lgn = Lundgren. 



Lm = Lindstrom. 



Lns. = LlNNARSSON. 



Lpw. = Lapworth. 

 N. = Nicholson. 

 Pand. = Pander. 

 S. & B. = Sars & BoECK. 

 S. = Sars. 



Tbg = TULLBERG. 

 Tqt = TORNQUIST. 



■\V b g = Wahlenberg. 



I. THE CAMBRIAN FORMATION. 

 1. Oldest Sandstone Beds. 



(Eophyton-and Fucoid-Sandstone.) 



1. Hyolithes laevigatas Lns. 



2. Lingula ? favosa Lns. 



3. Obolus ? monilifer Lns. 



4. Medusites favosiis Nathorst. 



5. Lindstromi Lns. 



6. radiatus Lns. 



2, Paradoxides Beds. 



a. Zone of Olenellus Kjerolfl. 



1. Olenellus Kjerulfi Lns. 



2. Ellipsocephalus Nordenskioldi Lns. 



3. Arionellus primaevus Br. 



4. ? Agnostus atavus Tbg. 

 6. Hyolithes sp. ? 



6. Lingulella ? Nathorsti Lns. 



7. Obolella sagittalis Salter. 



8. Acrotreta (sociali Seebach affinis.) 



9. Acrothele sp. 



10. ? Protospongia fenestrata Salt. 



