32 NEW YORK STATE MUSEUM 



Prismodictya telum Hall (sp.) 



172 ^P plastotype Dictyophton telum Hall. 35th 



annual report of the New York state museum of natural' 

 history. 1884. p. 470. 



Prismodictya telum Hall & Clarke. New York 

 state museum memoir 2. pi. 17, fig. 3. 

 Chemung beds Wellsville N. Y_ 



Protocyathus rarusw Archaeocyathellus rarus. 



rhabdosispongia Hall & Clarke 

 Rhabdosispongia amalthea Hall (sp.) 



1 73 25 i 00 plastotype Dictyophyton amalthea Hall. 



9th annual report of the New York state geologist. 1890. 

 p. 58. 



Rhabdosispongia amalthea Hall & Clarke. 

 New York state museum memoir 2. 1898. pi. 16, fig. 1. 



Chemung beds Great Bend Pa. 



sphaerodictya Hall & Clarke 

 Sphaerodictya subsphaerica Walcott (sp,) 



1 74 25 1 20 h ypotype Cyathophycus subsphaericus Wal- 



cott. Transactions of the Albany institute. 1879. 10:19* 



Sphaerodictya subsphaerica Hall & Clarke. 



New York state museum memoir 2. 1898. pi. 1, fig. 16, 17* 



Utica slate Holland Patent N. Y. 



W. P. Rust purchase. 1890 

 T 75 • 2 -^- Q - hypotype Hall & Clarke. New York state museum 

 memoir 2. 1898. pi. 1, fig. 18, 22. 



Utica slate Holland Patent N. Y. 



W. P. Rust purchase. 1890 



176 25 3 20 hypotype Hall & Clarke. New York state museum 



memoir 2. 1898. pi. 1, fig. 19. 



Utica slate Holland Patent N. Y. 



W. P. Rust purchase. 1890 



177 %£££- hypotype Hall & Clarke. New York state museum 



memoir 2. 1898. pi. 1, fig. 20. 



Utica slate Holland Patent N. Y. 



W. P. Rust purchase. 1890 



178 2.L2-Q- hpyotype Hall & Clarke. New York state museum 



memoir 2. 1898. pi. i,fig. 21. 



Utica slate Holland Patent N. Y. 



