Ento. 



218 



Entolium aviculatum. {Pecten aviculatus^ Swallow, 



Xin-i5Sfe*rf^ /^^S^ fi' Trans. Acad. Sc. St. Louis, 



1858 ;— Meek, Nebraska U. S. 

 Survey, 1872, plate 9.) Col- 

 lett's Indiana Rt. of 1882, 

 page 142, plate 28, fig. 7, 



s- vw^ieeaxa-jj^/ natural size^loii valve; fig. 



Ij^^^^^^i^lg^p -^is^^^jjjg[^^^i^j| g^ inside of left valve, show- 

 ing hinge, etc., many parts of Indiana and elsewhere, Goal 

 measures^ XIII-XV. 

 Eocystites primsevus. (Billings, 1868. Dawson's Acad. 



t C PI I. ^^^^* ^^* ^^"> ^^^-^ Walcott, Bulletin, U. S. G. 

 S.,No. 10, page 15, plate l,fig. 2, a single plate 

 of the coralline, enlarged fourfold. Evidently 

 similar in general type to Hicks's Welsh Mene- 

 vian fossil Protocystites menevensis. — New 

 Brunswick. Saint John formation.^ M, (7. 

 Eodon bellistriatum. {Microdon hellistriatum. Conrad.) 

 Vlfl.c. - ym^S^^^^i^s^ Hall, 1843, page 196, 



fig. 78, 2; also Pal. 

 N. Y. Vol. 5, part 1, 

 1877,plate73, fig. 10. 

 f^7 HiiMi ^^^0 — Kogers, page 827, 

 fig. 660. (See Conrad, Journ. Acad. N. 

 S Philada. Vol. VIII, page 247, xiii, fig. 

 12, 1842.) Hamilton formation. — Clay- 

 pole's lists in Perry Co. F2. (Speci- 

 mens collected : 2-1 (five), W. Comp's 

 mill, Perry Co., 2^ m. S. E. of N. Bloom. ; 

 5-147, 159, Barnett's mill ; 68-3 to 7, 

 737 Bloomsburg. Montour Co., Pa.; 92-4, 9, 

 11, 13, 14, 15, 25, Vanderslice's quarry, Montour Co., Pa.; 94- 

 17, Crawley hill. Perry Co.; 99-l,Drumgold's tannery; 144-9, 

 Montebello narrows; 197-11, three, Mapleton, Huntingdon 

 Co ) 100' and 250' below top of Hamilton (G7, 76, 229) Rupert 

 (p. 69) ; Catawissa (p. 287), Bloomsburg (p. 290.)— ZTam. U. 

 shales, Mapleton (T3, p. 109) ; also Chemung olive shales, Pa. 

 E. R. section below Huntingdon (T3, 264.) — Also found in the 

 Hamilton dags, at Muncy, Lycoming Co., Pa. (T,p. 32) — VIII 



HM.5 



