129 Chon. 



Chonetes smithii. See Appendix, 



Chonetes syrtalis (Chonetes carinata, Conrad, which 

 see) identified by Jas. Hall, 1888, in specimen 803-11, 803-25 

 (00, p. 235) Saddleback, Orbisonia, Hamilton shale,, VIII c, 

 Chonetes verneuiliana. (Norwood & Pratton, Jour. Acad. 

 Nat.Sci., Phil., 1854, Vol. 3, plate 2, fig. 6). 

 Collett's Indiana Kt. of 1883, page 128, plate 25, 

 X^p^^i^smf- fig- '^j central view of common specimen; fig. 8 

 of another with mucronate sides. — Coal meas- 

 ures. Every county in Indiana with coal has 

 '''^^^ furnished specimens of this species, which can 

 be distinguished from other Chonetes by its middle groove, and 

 the bilobed appearance of its ventral valve. (Collett). — XIIL 

 Chonetes ? Very small; found by I. 0. White in Mon- 

 roe Co., Pa., in abundance in Lower Held, Decker's Ferry 

 sandstone, G6, p. 140, 222, 246.— VL 



Chonetes ? Centre Co. Marcellus^ T4, 434. — YIIIl, 



Chonetes ? large species in Bedford Co. Middle Ham- 

 ilton shales, bed 48 of Saxton section, T2, 231.— F/7/^. 



Chonetes ? more transverse in form than usual ; speci- 

 men 881-1, (00, p. 339) in Hicks' collections at Bradford, 

 McKean Co., from Chemung,, VIII g, 



Chonetes ? In Huntingdon Co., Juniata south shore 



section, bed 6, 50' below Chemung upper (Lackawaxen) con- 

 glomerate, T3, 193. In Bedford Co., Yellow Cr. section, sand 

 bed 30, 2957' below CatskiU. T2, 226.— F///^. 



Chonetes ? Bedford Co., Ickes' gun shop, St. Clair t. 



Chemung clay beds, T2, 127 ; W. Providence T2, 216.— VIII g, 



Chonetes ? Centre Co. Chemung, T4, \ZZ,— VIIIg, 



Chonetes ? Warren Co., numerous in Randall sect. F. 



G, H. Carll's IIII, p. 305. See Rt. I, p. 53.— VIII-IX, 



Chonetes and Streptorhynchus in Warren Co. i m. N. W. 

 Sugar Grove, Oil group. Rt. O, 3366.— VIII-IX, 



Chonetes and fucoids in Venango Co. on flags, Millers' 

 farm, Oil creek, in Bedford shale, Rt. O, 3307.— IX ? Also in 

 brown SS. in Drift, Pine creek, near Oil creek. O 3061. 



Chonetes, Palaeoneilo, Sphenotus, and others, in Sp. 1000-18, 

 White's coll. at Brookfield tunnel, S. W., of Sharon, Pa.— X.^ 

 9 



