83 



Bell. 



Bsllerophon crassus. (Meek & Worthen, Froc. Acad. Sc. 



m 



k 







:;>^'' 











V r'~,i:.-:,.'.J-fy.::; 





■•:^"...rv:-^^--5%:.:/^-v:- 

 b-^-r^v-W:/^--' ■ 



g^'-->^.- <-<:$-; iTr^^Av^ 







I860; Illinois Rt. of 1866, Vol. 2, page 385, plate 31, fig. 16.) 

 Collett's Indiana Et. of 1883, page 157, plate 33, fig. 1, 2, natu- 

 ral size. XIII-XV ; Lower and Upper Coal measures, from 

 Indiana to Nevada; in Indiana, Upper Coal measures. — 

 In Eastern Pennsylvania, doubtfully identified by Heilprin as 

 a spec, in collect, of Wyoming Hist. Soc. at Wilkes Barre, from 

 Mill Creek limestone, 1000 feet up in anthracite measures 

 above Conglomerate No. XII ; therefore Monongahela series. 

 An. Rt. Geol Sur. Pa. 1885, page 457. In West Pennsylvania, 

 Stevenson found it in the gaps of Westmoreland and Fayette 

 Cos., in Subcarboniferous strata. Rt. KKK, p. 311. XI io XV. 



Bellerophon crenistriatus. (Hall, 1876, Ilk Dev. Foss. 



Pal. N. Y. Vol. 5, part 2, page 116, plate 

 25, fig. 17.) Olaypole, preface to Re- 

 port F2 ; list of fossils in Perry Co., Pa., 

 in Hamilton Upper shale. See 000, cat- 

 alogue, Claypole's specimen 5-102, from 

 Barnett's mill. VIII c.— Note by J. 

 Hall, 1879. Thus far rarely found, but at 

 distant places in New York: Schoharie 

 Co., one specimen; Chenango Co., one; 

 Otisco lake, one; Cayuga lake, one; Liv- 

 ingston Co., one. It is different from any other Hamilton form. 



JBellerophon expansus. See Bucania expansa, VIII f. 







