BY PROFESSOR BERTRAND. 649 



18 — Newtox (E. F.). — On " Tasmanite " and Australian "White Coal." 

 Geol. Mag., 1875, ii. (2), pp. 337-342, pi. 10. 



19. — Renault (B.). — Sur quelques Micro-organismes des combustibles 

 fossiles. Bull. Soc. Ind. Min., 1899, xiii. (3), Liv. 4, pp. S65- 

 1169, Atlas. [Australian Bogheads, pp. 1010-1017.] 



20. —Seward (A. C). — Coal: its structure and formation. Science Progress, 

 1895, ii., p. 355. 



21. Fossil Plants, i. (Svo. London, 1S98), pp. 178-183. 



22. — Zeiller (R.).— Elements de Paleobotanique. (Svo., Paris, 1900), pp. 

 34-35. 







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