PLATE XXVI. 



PAGE 



Figure 1. Biddulphia, sp. (?) 



„ 2. Biddulphia weissflogii, Grun. . 



„ 3. Rhaphoneis mammalis, n. sp. 



„ 4. Biddulphia ropcriana, Grev. . 



„ 5. Biddulphia pellucida, n. sp. . 

 Figures 6 and 8. Cerataulus turgidus, Ehrenb., var. polyceros, uov. 

 Figure 7. Biddulphia parallela, n. sp. (?) 



„ 9. Biddulphia reticulata, Roper, var. inermis, no v. 



„ 10. Biddulphia tuomeyi, Bail. .... 



„ 11. Mastogloia thaitiana, n. sp. . 



„ 12. (?) Undetermined form 



,, 13. Rhaphoneis clUptica, n. sp. 



,, 14. Toxonidea challengeriensis, n. sp., var. uov. . 



,, 15. Toxonidea challengeriensis, n. sp. . 



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