Art. XII. — Neiu or Little-known Victorian Fossils in 

 the National Museum, Melbourne. 



Part I. — Some Paleozoic Species. 



By FREDERICK CHAPMAN, A.L.S., &c., 

 National Museiim. 



(With Plates XVI., XVII. and XVIIL). 



[Read 11th September, 1902]. 



?PLANT.^. 



Genus Bythotrephis, J. Hall, 18-48. 

 Bythotrephis tenuis, J. Hall. (PI. XVL, Fig. 1). 



B. gracilis, J. Hall, 1848, Palaeontology of New York, vol. i, 

 p. 62, pi. 21, fig. 1. [The specific name for this form was after- 

 wards altered by Hall to tenuis, in 1852, on account of its 

 non-agreement with the type specimens of B. gracilis from the 

 Clinton group. See Pal. New York, vol. ii., p. 187]. 



'■Fucoides,^ Blandowski, 1858, Trans. Phil. Inst. Victoria, vol. 

 ii., pt. 2, pp. 144-5, 2 pis. 



Observations. — In the year 1858 W. Blandowski contributed a 

 note to the Philosophical Institute of Victoria, on some fueoid 

 remains which he had found in micaceous and flaggy sandstones 

 in a quarry near the gates of the Botanical Gardens, Melbourne. 

 These specimens were deposited by Blandowski in the Melbourne 

 Museum, the collection in which being afterwards incorporated 

 in the National Museum. The figured specimens, which have 

 not yet come to light, were labelled 2980 and 2981. The 

 specimen nosv described bears the number 2979 [246]^ and this is 

 now figured. 



The absence of any vestige of structure in the so-called fossil 

 fucoids renders their exact determination a matter of some 

 uncertainty. Some forms of hydrozoa, for instance, simulate 

 them in their dendroid habit of growth. The tracks of polychsete 



1 This and all succeeding numbers in sqiuire brackets refer to registered specimens in 

 the National Museum. 



