TYPE SPECIMENS OF PALEOZOIC FOSSILS 1 33 



Hederella canadensis Nicholson (sp.) 



773 65 i° 2 hypotype Alecto? canadensis Nicholson. Can- 



adian naturalist, ser. 2. 1874. 7:146. 



Hederella canadensis Hall & Simpson. Pal- 

 eontology of New York. 1887. v. 6, pi. 65, fig. 1, 14. 



Hamilton beds York N. Y. 



C. Van Deloo, coll. 1878 



774 6 5 2 ° 2 hypotype Hall & Simpson. Paleontology of New York. 



1887. v. 6, pi. 65, fig. 2, 5, 7. 



Hamilton beds York N. Y. 



775 ~~-r- hypotype Hall & Simpson. Paleontology of New York. 



1887. v. 6, pi. 65, fig. 3, 4. 



Hamilton beds York N. Y. 



776 ^ 4 ~ 2 - hypotype Hall & Simpson. Paleontology of New York. 



1887. v. 6, pi. 65, fig. 6. 



Hamilton beds York N. Y. 



777 hypotype Hall & Simpson. Paleontology of New York. 



1887. v. 6, pi. 65, fig. 8. 



Hamilton beds. York N. Y. 



C. Van Deloo, coll. 1878 



Hederella cirrhosa Hall 



778 ^-f- 2 - type Hederella cirrhosa Hall. Transactions of 



the Albany institute. 1881. 10:194. 



, Hall & Simpson. Paleontology of New York. 1887. 

 v. 6, pi. 65, fig. 12, 13. 



Hamilton beds West Bloomfield, Ontario co. N. Y. 



C. A. White and C. Van Deloo, coll. i860 



Hederella filiformis Billings (sp.) 



779 ^y-- hypotype Aulopora filiformis Billings. Cana- 



dian journal of science, industry and arts, new ser. 1859. 

 4: 119. 



Hederella filiformis Hall & Simpson. Pale- 

 ontology of New York. 1887. v. 6, pi. 65, fig. 9. 

 Hamilton beds York N. Y. 



C. Van Deloo, coll. 1878 



780 4 ^- t hypotype Hall & Simpson. Paleontology of New York. 



1887. v. 6, pi. 65, fig. 10. 



Hamilton beds Near Leroy N. Y. 



C. D. Walcott, coll. 1878 



