fiAMBB] PKOGRESS OF VERTEBRATE PALEONTOLOGY 41 



73. 77. 85. Climatius latispiuosus (Whiteaves). 1881. Lower Devo- 



nian, New Brunswick. 



73. 77. 88. Spine of ? Aoanthodian fish ( tlomacanthus gracilis, White- 



avcs. 18SU). Liower Devonian. New Brunswick. 



AcANTIIGDID^. 



76. Acanthodes afEnis, Whiteaves. 1887. Upper Devonian. 



Scaumenac bay, Quebec. 



76. Acanthodes concinnus, Whiteaves. 1887. Upper Devonian. 



Scaumenac bay. Quebec. 



85. Acanthodes semistriatus, A. S. Woodward. 1892. Lower 



Devonian. New Brunswick. 

 Cheiracanthus costellatus (Traquair). 1884. Lower Devo- 

 nian. New Brunswick. 



ORDER SELACHII. 

 SUBORDER ASTEROSPONDYLI. 



LAMNIDiE. 



S3. Lamua appendicuhita (Agassiz). 1843. Cretaceous. Na- 



naimo group. Vancouver island. 



79. Lamna manitobensis, Whiteaves. 1889. Cretaceous. Nio- 



brara-Benton. Manitoba. 



S3. Asterospondylic vertebrœ, of which one is thought to belong 



to the Carchariidœ. 1903. Cretaceous, Nanaimo group. 

 Vancouver island. 



79. Selachian tooth. 1889. Cretaceous, Fort Pierre group. 



Saskatchewan. 



79. Pectoral fin of a largo Selachian. 1889. Cretaceous, Fort 



Pierre group. Assiniboia. 



SUBORDER TECTOSPONDYLI. 



Petalodontid^. 



20. Ctenoptychins cristatus, Dawson. 1868. Carboniferous, 



Coal Measures. Nova Scotia. 



FSAMMODONTID^. 



20. Psammodus sp. ? 18G8. Carboniferous, Coal Measures. 



Nova Scotia. 



INlYLIOnATID.E. 



79. Ptychodus parvulus, Whiteaves. 1889. Cretaceous, Nio- 



brara-Benton. Manitoba. 



3(k Myledaphus bipartitus, Cope. 1876. (The position of 



this genus, doubtfully referred by Cope to thp Rays, is 



uncertain.) Cretaceous, Belly River .«eries, Alberta. 



