426 CONTRIBUTIONS TO CANADIAN PALEONTOLOGY. 



Page 273. 



For "Pachypora or Alveolites. (Sp. Undet.)" — read: 



CCENITES CKYPTODENS, BillingS (Sp.) 



Mr. Lambe is of the opinion that all the specimens referred to under 

 the first of these headings, are referable to Alveolites cryptodens, 

 Billings, which he thinks is a Cwnites. 



Page 290. 



For " Pentamerus comis, Owen" — read . 

 Gypidula comis, Owen (Sp.) 



And, add to the list of synonyms and references : , 



UiipUhdu nmu's, Hall .and CLarke. 180:^. Pal. N. York, vol. VIII., pt. 2, p. 247, fig. 177, 

 pi. 72, figs. 1.5-24. 



Page 291. 



For "Terebratula Sullivanti, Hall," — read: 



EuNELLA Sullivanti, Hall. 



And, add the following reference: 



Emicl/a Sullivanti, Hall and Clarke. 189.5. Pal. N. York, vol. VIII., pt. 2, pt. 290, 

 fig. 210, pi. 80, fig.s. 23-2(;. 



Page 331. 



For "Pl.wyostoma tumidum. (N. Sp.)" — read: 



Platyostoha Whiteavesi, Miller. 



Piatiimlmim tvmirliniL, Whiteaves. 1892. This volume, jjt. 4, p. 331, pi. 43, fig. 12. But 



not Phitjinxtohiii tnmklum, Meek & Worthen, 1860. 

 Pliitffo.itmm Whitnmxi, S. A. Miller. 1897. .Second Suppl. N. Amer. Geol. and 

 PalcBont., p. 769. 



