42 ROYAL SOCIETY OF CANADA 



SUBCLASS HOLOCEPHALI. 



ORDER CHIM^ROIDEI. 



Pttctodontid^. 



80. Ptyctodus calceolus, Newberry and Wortheu. 1866. Upper 



Devonian. Manitoba and Ontario. 

 80. Rhynchodus sp. undt. 1892. Upper Devonian, Manitoba. 



I CIITH YODOr.TTLITES. 



Macha?racantlins peracutus, Newberry. 1857. Devonian 

 (Corniferous). Ontario. 



yO. Machseracaiitlius sulcatns, Newberry. 18.57. Devonian 



(Corniferous), Ontario; and Lower Devonian, Gaspé, 

 Quebec. 



20. . Gyracanthus duplicatus, Dawsou. 1868. Carboniferous, 



Coal Measures. Nova Scotia. 



66. Gyracanthus incurvns, Traquair. 1890. Lower Devonian. 



New -Brunswick. 



20. Gyracanthus magnificus, Dawson. 1868. Lower Carbon- 



iferous. Cape Breton island. 



SUBCLASS DIPNOL 



ORDER SIRENOIDEL 



DlPTEKID^. 



20. Conchodus plicatus, Dawson. 1868. Carboniferous, Coal 



Measures. Nova Scotia. 



Phaneeopleurid^. 



71. 68. Scaumenacia curta (Whiteaves). 1881. Upper Devonian. 



Scaumenac bay, Quebec. 



ORDER ARTHRODIRA. 



86. 68. Coccosteus canadensis, A. S. Woodward. 1892. Upper 



Devonian. Scaumenac bay, Quebec. 



73. 66. Phlyctsenaspis acadica (Wh'teaves). 1881. Lower Devo- 



nian. New Brunswick. 



80. Aspidicthys ? notabilis, Whiteaves. 1892. Upper Devo- 



nian. Manitoba and Ontario. 



80. Dinichthys canadensis, Whiteaves. 1892. Upper Devonian. 



Manitoba. 

 78. Ï Macropetalichthys sullivanti, Newberry. 1857. Devo- 



nian (Corniferous). Ontario. 



SUBCLASS TELEOSTOIII. 



ORDER CROSSOPTERYGII. 

 SUBORDER RIIiriDISTIA. 



HOLOPT YCIII ID^E . 



77. 68. 88. Holoptychius quebecensis (Whiteaves). 1889. Upper De- 



vonian. Scaumenac bay, Quebec. 



81. Dendrodus arisaigensis, Whiteaves. 1898. Silurian. Nova 



Scotia. 



