ON SOME ORDOVICIAN FOSSILS FROM BOOTHIA FELIX ETC. EE 
Explanation of Plates. 
Plate Ws 
Receptaculites owent Hatt. Showing the funnel-formed central depression. Nat. size. 
—,— Almost complete specimen. 1/ Nat. Size. 
Plate I. 
Eurystomites sp. Nat. size. 
Maclurea sp. — 
Plate III. 
Gonioceras occidentale Hatt. Nat. size. 
Actinoceras sp. (cf. tenuifilum Hatt), Nat. size. 
Plate IV. 
Endoceras (Cyclendoceras) annulatum HarL? Nat. size. 
Actinoceras beloitense WHITFIELD. ES 
. Receptaculites oweni Hartt. Weathered surface showing the rhombical apertures. 
Nat. size. 
Fig. 4—5. Maclurea sp. In fig. 5 seen from the underside. Nat. size. 
The photographs here reproduced were taken by Miss BoRGHILD LARSSEN. 
Printed 8. Juny 1912. 
