. Mesozoic fossils. lixa ((Ene) 8p. uiult. (i)age 143.)Figure 10. Left valve of a small specimen. Tellina () occiDENTAins, Meeic, Sj). (page 144) Figure 11. Left valve, with the test preserved. 11 a. Cast of a left valve, showing the muscular impressions and the deeppallial sinus. Linearia ! (jiage 140.) Figure 12. Riglit valve of the only specimi-n collected. Cytiierea (Callista) St.)!iez!<a (page 148.) Figure 13. Left valve. • 13 «. Outline of a cast of another left the muscular impn^ssionsand i)allial sinus. Cytiierea (Caryatis) plana, iSowc^;.


. Mesozoic fossils. lixa ((Ene) 8p. uiult. (i)age 143.)Figure 10. Left valve of a small specimen. Tellina () occiDENTAins, Meeic, Sj). (page 144) Figure 11. Left valve, with the test preserved. 11 a. Cast of a left valve, showing the muscular impressions and the deeppallial sinus. Linearia ! (jiage 140.) Figure 12. Riglit valve of the only specimi-n collected. Cytiierea (Callista) St.)!iez!<a (page 148.) Figure 13. Left valve. • 13 «. Outline of a cast of another left the muscular impn^ssionsand i)allial sinus. Cytiierea (Caryatis) plana, iSowc^;.;, j op. (i, t-go 149.) Figure 14. Right valve of a medium sized examj;Io. 1 4 «. Right Aalve of a smaller specimen. 14 b. Interior of the last, showing the hinge teeth. Cyprimeria lens, Gabb, .Sp. (page 153) Figure 15. Left valve of a variety of this species. 15 a. Iortion of interior of another left valve, showing the hinge tctli. (B-isaDaaDcBHOMva sTm^NSiB^ ©if (Si^^si^ajB^o MESOZOIC PLATE. 17. lilli. ^ PLATE XVIIL Veniella crassa (page 153.) Figure 1. Left valve of the type specimen, with the posterior extremity restoredin outline. SuciENSE (page 154.)Figure 2. Right valve of the largest specimen collected. Clisocolus cordatus, Meek & Hayden, Sp. (page 157.) Figure 3. Left valve of a nearly perfect adult example. 3 a. Portion of the interior of a left valve, showing the hinge plate, 3 b. View of the corresponding portion of the right valve. Opis Vancouverensis (page 158.) Figure 4. Exterior of a right valve of the only specimen known. 4 a. Interior of the same, showing the hinge teeth. Astarte Conradiana, Gabb (page 160.) Figure 5. View of a perfect example, with both valves. 5 a. Interior of a detached left valve, showing the hinge teeth and part ofthe crenulated basal margin. Astarte Conradiana, var. Tuscana (page 160.) Figure 6. Side view of a perfect specimen, showing only the left valve, for com-parison w


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Keywords: ., bookcentur, bookdecade1870, booksubjectpaleontology, bookyear1876