437 



Myti. 



coll. in Sullivan and Olymer townships, Tioga Co., Pa., and 872- 

 45b, Tioga Co., N. Y. VIII g.— See Appendix. 



Mytilarca damnoniensis {Lwceramus damnoniensis) ; 

 characteristic of the Chemung; found in Blair Co. Pa. Report 

 T, 29. Ylllg. — See Appendix. 



Mytilarca occidentalis {Mytilus occidentalis, White vV 

 Whitfield, Proc. Bost. S. N. H. Vol. 8, 1862, Kinderliook lime- 

 stone of the West.) Recognized by C. E. Hall in Carll's Collect, 

 of 1875, in N. W. Penna. in Chemung upper strata. VIII— 

 /X— See Hall, Pal. N. Y. Vol. 4, pi. 33, fig. 3.— See Cat. 00 p. 

 236; Spec. 852-4 (fair example); 855-36 (doubtful); 8.5-39 

 (possibly a new species) ; 856-11 (doubtful species) ; all from 

 Sherwood's collections in Tioga Co. Pa. — Spec. 869-14, from 

 LeBoeufF's quarry in Panama Conglomerate, Erie Co. Pa. — 

 Spec. 872.39 a (doubtful species) Howell's coll. at Nichols, 

 Tioga Co. N. Y.~ Vlll-IXf—See Appendix. 



Mytilarca sigilla, Hall. 28th Report N. Y. Museum, 1876, 

 Doc. Ed. pi. 28, fig. 10. Copied into Collett's Indiana 

 report of 1881, p. 316, plate 28, f. 10, cast of the in- 

 terior of a small right valve ; Surface markings un- 

 known. — Niagara formation., Vb. — {Mytilarca 

 •5. Sigillum., Hall.) 



Mytilops metella. See Modiola metella. InthePenn. Geol. 

 Sur. Coll. specimens 850-19 in Sherwood's coll. at Lawrence- 

 ville, Tioga Co., Pa. and 9622 in Randall's coll. at Warren, Pa. 

 both in Chemung, or Chemung- Catskill, VIII~IX. 



Mytilops prsecedens, recognized by G. B. Simpson in 

 specimens 9498, 9570, 9622 of Randall's collections at Warren. 

 Chemung- Catskill.^ VIII-IX. — See Appendix. 



Mytilus edulis, Linn. Dawson's Acadian Geology, 1868, p 



477^4, fig. 13, 

 over boulder 

 clay at St. 

 John, and in 

 leda clay 



oav/ ^^-^ - CeaJ c^n^^^^SBS^^ /S63 & Saxicava 



sand. Canada, Geol. Can., 1863, page 963, fig. 477. — PP. 



End of Vol. h 



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