Mr Ether idge on Fossils from Boiven River Coalfield. 303 



shell, without form or character, and is simply unrecognis- 

 able ; all one can say is, that it appears to be a shorter form 

 than that now under discussion. The second is a very San^ 

 guinolites-like shell, and is clearly separated from the latter 

 by the position of the beaks, more than subcentral in position, 

 and the consequently larger anterior end; 



A glance at the species of Sanguinolites lately described* 

 from the Carboniferous beds of N. S. Wales by Professor De 

 Koninck {S. Etheridgei, S. Mitchellii, S. M'Coyi, and S. Teni- 

 soni) will show how little resemblance they bear to the 

 Queensland fossil. Of them, >S'. M'Coyi is certainly more nearly 

 allied to the latter than any of the others. 



Log. and Horizon. — Coral creek, below Sonoma road-cross- 

 ing, in decomposed concretionary and highly fossiliferous 

 ironstone (No. 126). 



Collector. — E. L. Jack, Esq. 



In addition to the bivalves just described, there are three 

 others which it is quite impossible to determine with any 

 degree of accuracy. One of them (No. 118) is a shell allied 

 io Sanguinolites undata (Dana),-)* or S.Mitclicllii (De Koninck), | 

 but it is much crushed. The two remaining shells (Nos. GO 

 and 205) are both Pachydomi or Astartilm, and are perhaps 

 nearer to A. cyprina (Dana)§ or A. cytherea (Dana) || than to 

 any other of the described forms. Neither of them show any 

 trace of the supplementary anterior muscular scars, although 

 both internal casts. 



Loc. and Horizon. — No. 118 is from the fossiliferous beds 

 of Coral Creek, below Sonoma road-crossing (Marine Series) ; 

 No. 60 was found in similar beds on Pelican Creek in the 

 same neighbourhood (Marine Series) ; No. 205 is of consider- 

 able interest on account of its occurrence with Orthotetes crenis- 

 tria var. senilis, in a marine bed in the Presh- Water Series, 

 at Havilah-Byerwin Eoad, one mile south of Piosella Creek 

 crossing. 



* Foss. Pal. Nouv-Galles du Sud., 1877, pt. 3, pp. 261-265, t. 16 and 17. 

 + Pholadomya, Geol. U.S. Explor. Exped. Atlas, t. 2, f. 11, a and b. 

 t Foss. Pal. Nouv-Galles du Sud., 1877, pt. 3, t. 16, f. 3. 

 § Loc. cit., t. 3, f. 6, a-f. \\ Ibid., t, 4, f. 1, a-g. 



