TYPE SPECIMENS OF PALEOZOIC FOSSILS 95 



Acanthoclema hamiltonense Nicholson (sp.) 

 581 &Q3- HYPOTYPE CerioporaPhamiltonensis Nicholson. 

 Geological magazine. 1874. 1:161. 



Acanthoclema hamiltonense Hall & Simp- 

 son, Paleontology of New York. 1887. v. 6, pi. 55, 

 fig. 18, 19. 



Hamilton beds West Williams Ont. 



John De Cew, coll. 1865 



On slab witb Rhombopora carinata, Pal. N. Y. v. 6, 

 pi. 55, fig. 2 ; pi. 56, fig. 3. 



582 3^3- HYPOTYPE Hall & Simpson. Paleontology of New York. 



1887. v. 6, pi. 55, fig. 20. 



Hamilton beds West Williams Ont. 



John De Cew, coll. 1865 



583 -H HYPOTYPE Hall & Simpson. Paleontology of New York. 



1887. v. 6, pi. 55, fig. 21. 



Hamilton beds Hamburg-on-the-Lake N. Y. 



C. A. White, coll. 1860 



584 ^ HYPOTYPE Hall & Simpson. Paleontology of New York. 



1887. v. 6, pi. 55, fig. 22. 



Hamilton beds Hamburg-on-the-Lake N. Y. 



585 ^f^- HYPOTYPE Hall & Simpson. Paleontology of New York. 



1887. v. 6, pi. 55, fig. 23, 25. 



Hamilton beds West Williams Ont. 



John De Cew, coll. 1865 



586 - Q <- HYPOTYPE Hall & Simpson. Paleontology of New York. 



1887. v. 6, pi. 55, fig. 24. 



Hamilton beds West Williams Ont. 



On slab with type of Rhombopora carinata, Pal. 

 N. Y. v. 6, pi. 55, fig. 2. 



John De Cew, coll. 1865 



587 &&&S. HYPOTYPE Hall & Simpson. Paleontology of New York 



1887. v. 6, pi. 55, fig. 26. 



Hamilton beds West Williams Ont. 



John De Cew, coll. 1865 



Acanthoclema scutulatum Hall 



^88 A-^OA TYPE Trematopora scutulata Hall. Transac- 

 tions of the Albany institute. 1881. 10: 180. 



Acanthoclema scutulatum Hall and Simpson. 

 Paleontology of New York. 1887. v. 6, pi. 55, fig. 16. 

 Hamilton beds York, Livingston co. N. Y. 



