. Mesozoic fossils. s, Conrad (page 169.)Figure 3. Left valve of an aberrant form of this species. Inoceramus Vancouverensis, Shumard (page 170.) Figure 4. Left valve of a specimen whose length and height are nearly equal. 4 a. The most common form of the species, in •which the height considerably exceeds the length. 4 b. Umbonal region of a specimen whose beaks are abnormally developed. Anomia Vancouverensis, Gabb (page 175.) Figures 5 and 5 a. Two upper valves, which retain the markings of some ribbed shellon which they have grown. 5 b. An upper valve, showing the true surface markings. 5 c.
. Mesozoic fossils. s, Conrad (page 169.)Figure 3. Left valve of an aberrant form of this species. Inoceramus Vancouverensis, Shumard (page 170.) Figure 4. Left valve of a specimen whose length and height are nearly equal. 4 a. The most common form of the species, in •which the height considerably exceeds the length. 4 b. Umbonal region of a specimen whose beaks are abnormally developed. Anomia Vancouverensis, Gabb (page 175.) Figures 5 and 5 a. Two upper valves, which retain the markings of some ribbed shellon which they have grown. 5 b. An upper valve, showing the true surface markings. 5 c. Side view of the same, to shew the amount of convexity. 5 d. Minute radiating striaa of the test, highly magnified. DisciNA Vancouverensis (page 177.)Figure 6. Upper valve of the type specimen. Smilotrochus Vancouverensis (page 178.) Figure 7. Side view of the only specimen. « 7 a. Transverse section of the same, at or near the summit. :.®®s(Si\jL mwisfmsw (Mf (U^^ms^ma^o MES>.:ZOIC FOSSILSVOI,. 2,0. , I th This Report and all other publications of the Geological andNatural History Survey may be ordered either from the publishersdirect, or through any Bookseller in the Dominion. ALSO THROUGH SAMPSON, LOW & CO., 188 Fleet Street, London. F. A. BROCKHAUS, LEIPSIC, and B. WESTERN AN & CO., 471 Broadway, New York. (JEOLOaiCAL AND NATURAL HISTORY SURVEY OF R. C. SELWYN, , , Director. MESOZOIC FOSSILS. VOLUME I. PART III.—On the Fossils of the Coal-Bearing Deposits of the QueenCharlotte Islands collected by Dr. G. M. Dawson in 1878, -• J. F. WHITEAVES, , , Etc. PALAEONTOLOGIST AND ZOOLOGIST, G. & N. H. S. C.
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