. Mesozoic fossils. -M. P. PLATE L. Pachydiscus multisulcatus (page 349). Figure 1.—Side view of the type of this species, from North West Bay,V. I., nine twelfths the natural size. :(Si\2L! ^m^jiws ©IF (afi!5S£vm£ MESOZOIG 50. Del^ PLATE LI. Helcion giganteus ? var. Vancouverensis (page 370). Figure 1. Specimen from the Nanaimo River, V. I., as viewed from above. Lima Suciensis (page 399). Figure 2. Side view of a left valve of a specimen of this species, from the Sucia Islands. Twice the natural size. Rhynchonella Suciensis (page 402). Figure 3. The la
. Mesozoic fossils. -M. P. PLATE L. Pachydiscus multisulcatus (page 349). Figure 1.—Side view of the type of this species, from North West Bay,V. I., nine twelfths the natural size. :(Si\2L! ^m^jiws ©IF (afi!5S£vm£ MESOZOIG 50. Del^ PLATE LI. Helcion giganteus ? var. Vancouverensis (page 370). Figure 1. Specimen from the Nanaimo River, V. I., as viewed from above. Lima Suciensis (page 399). Figure 2. Side view of a left valve of a specimen of this species, from the Sucia Islands. Twice the natural size. Rhynchonella Suciensis (page 402). Figure 3. The largest specimen that the writer has seen, from the Sucia Islands. Figure 3 a. Front view of the same, to shew the amount of convexityof the closed valves, and the absence of a distinct mesialfold and sinus. Figure 4. Portion of the ventral valve of another specimen, from the same locality, shewing the narrow, prominent, acuteraised ribs, supposed to be characteristic of this species. Terebratella Harveyi (page (403). Figure 5. A ventral valve, from Extension mine, Nanaimo, V. 6. A dorsal valve, from Texada Island. KiNGENA OCCIDENTALIS (page 404). Figure 7. Dorsal view of the specimen from the Trent River, V. I., described in the text. Figur
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