392 CONTRIBUTIONS TO CANADIAN PALAEONTOLOGY. 



explanation of Plate 55 of the second part of the eighth volume of the 

 Pahvontology of New York, retain the name Atrypa sjnnosa for speci- 

 mens from the Hamilton formation of that state, though, on page 172 of 

 the same volume they expressly state that " the^. svinosa of the Hamil- 

 ton shales is but an A. aspera with the lamelhe enfolded into tubular 

 spines." 



Spirifera pennata, Atwater. (Sp.) 



Tcrebratula pcnnata, Atwater. 1820. Am. -Tourn. Sc. and Arts, vol. II., p. 244, pi. 1, 



fig.s, 2 and 3. 

 Ddthiiris fnHeronata, Cunrad. 1841. Fifth Ann. Rejj. Oeol. Surv. N. York, p. 54. 



Vanuxem. 1842. (ieol. N. York, Rejx Third Distr., p. 150, fig. 3. 



Hall. 1843. Geol. N. York, Rej.. Fourth Distr., p. 198, figs. 2, 3; 



p. 205, fig. 3, (non p. 270, fig. 3). 



Hall. 1862. Fifteenth Rep. N. Y. St. Cab. Nat. Hist., pi. 11, 



fig. 18. 

 Spin'fcf riiucronata, Billings. 1856. Canad. Nat. and (jeol., vol. I., p. 474, pi. 7, figs. 



and 10. 

 Spirifera riiucronata, Billings. 1861. Canad. -Journ., N.S., vol. VI., p. 254, figs. 59-62. 

 1863. Geol. Canada, p. 386, figs. 424, a-d. 



Hall. 1867. Pal. N. York, vol. IV., p. 216, pi. 34, figs. 1-32; and 



of nume- ms subsequent American paheuntologists. 



The law of priority w ^uld seem to require the adoption of the specific 

 name proposed by Atwater for this well-known fossil, in 1820, as sug- 

 gested by Dr. S. A. Miller. 



Spirifera euryteines, Owen. 



Delthi/ris curuttincs, Owen. 1844. Rep. Geol. Expl. Iowa, Wiscons. and 111., p. 69, pi. 



12, %. 9. 

 Spirifcr curateines, Owen. 1852. Geol. Surv. Wiseons., Iowa and Minn., p. 586, pi. 3, 



figs. 2 and 6. 

 Spirifcr parryana, Hall. 1858. Geol. Surv. Iowa, vol. I., [it. 2, p. 509, pi. 4. fig. 8. 

 Spirifer capax. Hall. 18.58. Jbid., p. .520, pi. 7, fig. 7. 

 Spirifera Parryana, Billings. 1861. Canad. .Journ., vol. VI, p. 261, figs. 77 and 78. 



1, 1863. Geol. Canada, p. ,386, fig. 422. 



Spirifera fornaeula. Meek and Worthen (non Hall), 1868. Geol. Surv. 111., vol. III., p. 



433, pi. 13, fig. 8. 

 Spirifera Parryana, Hall. 1883. Second Ann. Rep. N. Y. St. Geologist, pi. 53, figs. 8 



and 9. 

 Spirifera caiMx, Hall. 1883. Hid., pi. 52, figs. 15-17. 

 ? Spirifera Parryana, Walcott. 1884. Pala^ont. Eureka Distr. Nevada, p. 137, pi. 14, fig. 



10. 

 Spirifera Parryana., Calvin. 1888. Bull. Lab. St. Univ. Iowa, p. 19. 

 Spirifcr Parryaaus, Hall and Clarke. 1893. Pal. N. York, vol. VIII., pt. 2, pp. 29, 31, 



39, pi. 22, figs. 8, 9, 15-17. 

 Spirifer euryteines, Schuchert. 1397. Synops. Amer. Foss. Brachiop., p. 389. 



E. Billings says (op. cit., 1861 ) that a single .specimen of S. Parryana was 

 collected by Mr. C. Robb in the Hamilton shales at Lowe's Mill, Town- 

 ship of Bosanquet, but no other specimens of that species have been 



