130 PALEONTOLOGY OF ONTARIO. 



identical with. them. The greater number, however, are peculiar to 

 the American continent. The only two forms which I have felt 

 myself justified in describing as new are Productella Eriensis and 

 Leiorhynchus Huron&nsis. 



List of Devonian BRAcniopoDA. 



YS. Strophomena psrplana, Conrad (C.) 



79. " demissa, Conrad (0. & H.) 



80. " inequistriata, Conrad (C. & H.) 



81. " Patersoni, Hall (C.) 

 _82. " . ampla, Hall (C.) 



83. " nacrea, Hall (C.) 



84. " rhoroboidalis, Wahlenberg (0.) 



85. Sti-eptorhynchus Pandora, Billings (C.) 



86. Orthis Livia, Billings (C.) 



87. " Vanuxemi, Hall (H.) 



88. Chonetes lineata, Vanuxem (C. & H.) 



89. " scitula, /:/«/; (H.) 



90. " lepida, ^a/^(H.) 



91. " mueronata, Hall (C.) 



92. " hemispherica, Hall (C.) 



93. " arcuata, Hall (C.) 



94. " acuti-radiata, Hall (C.) 



95. Productella Eriensis, Nick. (C.) 



96. Atrypa reticularis, Linn. (C. & H.) 



97. " spinoaa, Hall (0.) 



98. Spirlfera mueronata, Conrad (C. & H.) 



99. " varicosa. Hall (C.) 



100. " duodenaria, Hall (C.) 



101. " varicosa,- Conrad (C) 



102. " fimbriata, Conrad (C.) 



103. " (Ambocoelia) umbonata, Hall (C.) 



104. Cyrtina Hamiltonensis, Hall (H.) 

 106. Spirigera spiriferoides, Haton (C &. H.) 



106. ". rostrata, Hall (H.) 



107. " scitula, Hall (C.) 



108. Athyris nasuta, Conrad (C.) 



109. " (?) Maia, Billings (C.) 



110. Retzia (?) Eugenia, Billings (C.) 



111. Leiorhynchus multicosta, Hall (H.) 



112. " Huronensis, Nich. (H.) 



118. Amphigenia (Stricklandinia) elongata, Billings (C.) 



114. Lingula squamiformis, Phillips? (C.) 



115. " Maida, Hall? (C.) 



116. Pholidops ovatus, Hall (C.) . ; 



