Para. 



598 



VIIR. 



Paracyclas tenuis, Hall, Pal. N. Y. Vol. 4, page 172, figs. 



20, 21. The figures here given, 

 ZL y^'^^..^ 22 are copies, by Van Iterson, of 



HalPs figs. 2i, 22, (20 omitted,) 

 in Pal. N. Y. Vol. V i, p. 443, 

 plate 72. On plate 95, fig. 25 

 represents the same species. 

 V/. L^XtQ^^:^^^^ Hamilton, VIII (?.— Doubt- 

 fully identified in Pa. in Sherwood's Mansfield Coll., Tioga Co. 

 Spec. 860-18, Upper Chemung, VIII g- 



Paracyclas venusta. Title to Spec. 9547 of EandalPs 

 collection at Warren, Pa. {? Pararca venusta, Hall.) VIII g, 

 Paracyclas new species ? Spec. 801-37 from Mar- 

 shall's Creek, Monroe Co., Pa. Hamilton, VIII c. 



Paradoxides. Genus discussed by Walcott, Bull, 30, p. 

 165. The Paradoxides faima of ML Stevens in Western Can- 

 ada by Rominger, Proc. Acad. Nat. Sc. Phila., 1887, January, 

 p. 19, is discussed by Walcott as Middle Cambrian in Am. 

 Jour. Sci. Sep. 1888. 

 Paradoxid'^s acadicus. Matthew, (1882, Trans. Eoy. Soc. 



Canada, p. 103, plate 9, figs. 16 

 to 18.) Walcott, Bulletin No. 

 30, U. S. G. S. page 25, plate 3, 

 fig. 3, a distorted specimen of the 

 trilobite, enlarged to twice its 

 size^ — Saint John formation. Port- 

 land? New Brunswick. Middle 

 Cambrian, M, C. 



P. acadicus, var. suricus, 

 Matthew, Trans. R. S. Can. 1885, 

 page 77. St, John group. 



Paradoxides arcuatus^ Harlan, Trans. Geol. Soc. 1835. See 

 Triarthrus beckii. (S. A. Miller.) 



Paradoxides asaphoides. See Olenellus asaphoides^ 

 Ford. Page 489 above. Lower Cambrian. Z. C. 



