248 Cinciwiali Society of Natural History. 



1 . H. DuniA lA, Owen. 



Scypkia dii:^itaia, Owen. Second Re|)ort on Geolog)- f)f Ken 

 tucky, [). III. 



Bf)dy hollow, cu]) shaped, with from eighf to eleven tubes or 

 arms: arms extending horizontally one inch, and then rising verti 

 cally ; body six to tvvelve inches in diameter. 



Locality : Frankfort, Ky. 



This is probably a Trenton s])ecies, and is not likely to be 

 found in this locality. it is inserted here because it has been 

 included in catalogues of the fossils of this grou)). 



3. B. TUKERcuLAi'A, U. P. James. 1879. The Paleon- 

 tologist, p. 25. 



Body sub-circular, with pronunent tubercles irregularly dis- 

 tribtued over the surface: amis, nine, straight; one, to three and a 

 halt inches long: specimens between five and six inches in 

 diameter. 



Locality: Todd's Fork, near Wilmington, Ohio. 



Two other s])ecies. viz., B. Ivoiii. .Vhirsh, and />. loiiiiri iaiia. 

 Marsh, though given in catalogues, seem never to have l)een 

 descril)ed. These names can not, therefore, hold. 



(Jenus 4. PASCEOLUS, Billings. Report of Progress o* 

 (ieological Survey of Canada, 1853-56, p. 342. Palaeozoic Fossils 

 of Canada. 1861. p. 392. S. A. Miller, 1874, Cin. ()uar. Join-. 

 Sci., vol. L. p. 4. 



Ovate or sul)-globular. Exterior surface marked by pentag- 

 onal or hexagonal plates : base with or without point of attach- 

 ment. 



1. P. GLoHoSLs, Billings. Loc.iit., p. 343. Pahtozoic Fos- 

 sils, p. 392, figure. 



Hemispherical or sub-globular : two or three inches in diam- 

 eter; base flattened; ])late impressions |)olygonal or hexagonal, 

 without external orifices, and about two lines in diameter. 



Locality: Cincinnati; Ottawa, Canada. 



This is mainly a Trenton species. It has been found m this 

 vicinity in a few localities. 



2. P. DARWiNii, S. A. Miller. 1874. Cin. Quar. jour. Sci., 

 1., p. 5, fig. 



P. claiidii, S. A. M. Ibid., p. 6, fig. 



Body spherical or hemispherical ; some sj^ec imens with a cir 

 cular central depression ; surface marked with crowded i)entag- 



