104 Proceedings of the Royal Society of Victoria. 



from Muddy Creek. From the above there can be no doubt that 

 this is the largest of our Australian Older Tertiary volutes as yet 

 discovered. 



39. MitPa dictua, T. Woods. 



M. dictua, T. AVoods, P.L.S.X.S.AV., 1879, p. 8, pi. iii., fig. 7. 

 M. dictua, Tate, Gast. II., 1889, p. 137, pi. iv., fig. 9. 



10. Mitra anticoponata, Johnston. 

 Id., Johnston, P.R 8.Tas., 1879, p. 34. 



41. Ancillaria pseudaustpalis, Tate. 



A. australis, T. Woods (non. Sowerby), fide Tate, P.R.S.Tas., 

 1884, p. 209. 



A. mucronata, T. Woods (non. Sowerby), P.R.S.Tas., 1874, p. 17. 



A. mucronata, Johnston (non. Sowerby), Geo. Tas., 1888, 

 pi. xxxi., fig. 12. 



A. psendaustralis, Tate, Gast. II., 1889, pp. 148, 149, pi. vi., 

 fig. 13, and pi. vii., fig. 1. 



Observations. — Not uncommon at Table Cape, but the abundant 

 form which occurs is not the typical slender spired form so 

 common in the lower lieds at Muddy Creek and figured by 

 Professor Tate on plate vii., fig. 1, in the work above referred 

 to, but the very broad apically obtuse form recorded from a 

 well-sinking in the Murray desert and from the River Murray 

 cliffs, and figured by Professor Tate on plate vi., tig. 13. 



42. Tepebpa additoides, T. Woods. 



T. additoides, T. AVoods, P.R.S.Tas., 1876, p. 95. 

 T. additoides, Tate, Gast. II., 1889, p. 163. 



43. Tepebpa ppaegpacilicostata, sp. nov. Plate II., fig. 9. 



Shell small, narnjvvly elongate and very acute spiral, with 

 small and convex embryonic whorls and raoher flat and very 

 .slenderly costate spire-whorls, terminating with a narrow aper- 

 ture and very short canal. 



Apical angle about fifteen degrees. Embryo consists of al)Out 

 three smootli, regular!}' convex, gradually increasing whorls, the 

 tip of which is central but not prominently exsert so far as the 



