193 



DB8CEIPTI0N OF SPECIES. 



-From the "Upper Shales and Sandstones," oftSuB-DrvisiON A. of 

 Dr. G. M. Dawson's Report. 



Inoceramus problematicus, Schlotheim. 



Ostracites lahiattu^, Schlotheim. 



—1813. Bronn's .Jalirbuch, Vol. VII, p. 93. 



Teste Stoliczka. 

 —1820. Petrefactenkunde, Vol. I., p. 302. 

 — 1822. Cuvier's Osseniens Fossiles, pi. 3, 



fig. 4, in Geol. des Env. de Paris. 

 —1822. Geology of Sussex, p. 215, pi. 27, 



fig. 2, and pi. 28, fig. 2. 

 — 1823. Mineral C'onchology, \^ol. V., p. 62, 



pi. 442. 

 — 1836. Petrefactse Germanicae, Vol. II. p. 



188, pi. 113, fig. 4. 

 Inoceramus 2>rohlcmaticu><, d'Orbignj-. — 1843. Paleontologie Frangaise, Terr. Cr6t. 



Vol. III. p. 510, pi. 406. 

 -1857. Proceedings of the Academj' of 



Natural Sciences of Philadelphia, \^ol. 



IX. p. 119. 

 -1876. Report on the Invertebrate Cre- 

 taceous and Tertiary Fossils of the 



Upper Missouri Country, p. 62, pi. 9, 



figs. ?M-b. 

 -1855. Pacific Railroad Reports, Vol. II. p. 



108, pi. 3, fig. 8. 



Mytilites problematicus, Schlotheim 

 Mytiloides labiatus, Bronginart. 



Inoceramus mijtiloides, Mantell. 



" " Sowerby. 



Goldfuss. 



Meek & Hayden. 



Meek. 



Inoceramus pseiulomytiloides, Schiel, 



Skidegate Inlet, Shore between Slate Chuck Brook and Lina Island : 

 five specimens. According- to Dr. G. M. Dawson the typical locality 

 of Subdivision A. 



Point North of Lina IsLand, in Bear Skin Bay — three specimens. 

 Dr. G. M. Dawson says: "This place is coloured as C on the map, 

 but the beds are disturbed, and they may not actually belong to this 

 subdivision. Their lithological character certainly resembles that of 

 the Uj^per Shales, but this does not go for much." 



The specimens collected by Mr. Eichardson from the Upper Shales 

 of Graham Island near Cowgitz, and mentioned on page 79 of this 

 volume as being possibly referable to /. concentricus, arc now known 

 to belong to the jn-esent species. 



In Great Britain and Em-ope I. problematicus is stated to occur in the 

 Lower or Grey Chalk, the Turonien of d'Orbigny, and in the Upper 



