396 CONTRIBUTIONS TO CANADIAN PALAEONTOLOGY. 



Athitris vittata. Hall. 18G7, Pal. N. York, vol. IV., \>. 289, v\. 4G, Hgs. 1-4. 



II II White. 1880. Seootiil Ann. Rep. Indiana Bur. Statist, and Geol., p. 



502, pi. 4, figs, .s and 0. 

 White. 1881. Tenth Rep. St. (ieol. Indiana, ]>. 134, pi. 4, figs. Sand 9. 

 II II Nettelruth. l.S8!l. Kentncky Fossil Shells, Mem. Kent. (jeol. Surv., 



,.. 87, 1>1. 16, fig.'s. 2ri-32. 

 „ II Whiteaves. 1.S92. This voUnne, pt. 4, ]i. 22H. 



Hall and Clarke. 18!W. Pal. N. York, vol, VIII., pt. 2, p. 90, figs. 

 02 and 63 ; pi. 45, figs. 1-5. 

 II II Keyes. 1895. (Ieol. Surv. Mis.souri, vol. V., p. 90, pjl. 41, fig. 1. 



See the remark.s on the preceding species. 



Meristella Barrisii, Hall. 



Mcrhtdla Barrisi, Hall. 18G0. Tliirteenth Rej). N. Y(.rk St. Cab. Nat. Hist., p. 84. 

 1867. Pal. N. York. vol. IV., d. .304, pi. 49, figs. 5-22. 

 Hall and Clarke. 1S!)5. 7/„tZ., voh VIII., pt. 2, [il. 43, figs. 25 and 

 I, 26; and pi. 44, figs. 27-30. 



Theflford, O. Kernahan, 1S94-97 ; an unusually lart;e but somewhat 

 imperfect specimen which has been identified with this species by Mr. 

 iSchuchert. 



Pentaoonia dnisqlcata, Conrad, ("^p-) 



Atriipii imixiilrul,,, Connid. 1S41. Fift.li Ann. Hep. (ieol. Surv. N. York, p. .56. 

 Peatn(/oiu'a A r /-.s//, Cozzens. 1S46. .Vn)!. Lye. iS'at. Hist. X. Yor);, vol. IV., p. 1.58, 



pl- 10, fig. 3. 

 RhiiiirlKnirnn iinhiilaila. Hall. IS57. Tenth Rep. N.Y. St. rj^il,. Nat. T-list., ].. 125. 

 Atbiinxf iiins,ilcii1ii, IVilings. ISDO. fjanad. .loni'n., vol. \'., p. 2T:i, figs. 39-42. 

 (joHioai'lia mijiiiiynlnio, Hall. 1.S6I. l''ourLeeiitli l;e|,. N. Y. St. <Jal>. Nat. Hist., p. 



lo;. 



Alri/rxi -luiisHlr.iJi,, Hall. 1862. Fifteenlli do., |>h 11, fig. 10. 



Mcrixirllu : ain::ul<;il,i, Hall. 1862. Jhiil., ]A. 2, figs. 17-25. 



Athiiri^ imi.yiilrilhi, Billings. 1X63. (ieol. Caiiail.i, ]i. 37.;, fig. :!96. 



Meriarlla (Pcii.hnimiui) iiiiixnlrnl.i, vayyi. I,i /i/ ,'r,i:,i and e»/>/;r,(/,(, Hall. 1X67. Pah N. 



York, vol. IV., ].. .309, pl. 50, tigs. 1S-.35. 

 Mrrii^lilhi vjuaii/nilii. White;! ves. 1 ,S,S7. This \olunie, part 2, ),. 115. 



„ niii.^n/,;,t,,, Netli-lroth. 18S0. Kentucky I'ossil Shells, Mem. Kent. Geol. 



S\irv., p. 99, pl. 15, tigs. 9-16. 

 FcaUlijouHt iiiiisiilcata, Hall and CHarke. 1S1)5. I'al. N. York, vol. \'lll., [it. 2, |>. .^11, 

 1.1. 12, tigs. 22-3,2. 

 II II Sehncheit. 1X97. Synojis. Anier. Foss. l'.raehiii|i., jj. 302. (From 



which this list of syuouj-nis and ri'fi^ri'uees is (pioti'd.) 



This species appears to be of rather nue occiii'ronco in tlio IbiTnilton 

 and Corniferous formations of (4ntai'iu. One specimen of the var. bijJicaia 

 in the .\[useum of tlie Survey, is from the (Joi-niferous limestone of 

 Haldimand Co., Out., where it was collected by Mr. De Cew in 1S07. 



