32 



NEW YORK STATE MUSEUM 



Prismodictya telum Hall (sp.) 



172 *4p* plastotype DictyophtoD telum Hall. 35th 



annual report of the New York state museum of natural 

 history. 1884. P-47°« 



Prismodictya t e 1 u m Hall & Clarke. New York 

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



Chemung beds Wellsville N. Y. 



Protocyathus rarusi^ Archaeocyathellus rarus. 

 rhabdosispongia Hall & Clarke 

 Rhabdosispongia amalthea Hall (sp.) 



173 —1— 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 — 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 zzjlo hypotype Hall & Clarke. New York state museum 



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



Utica slate Holland Patent N. Y. 



W. P. Rust purchase. 1890 



177 8 & /; Q 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 -^ 5 2 -^ hpyotype Hall & Clarke. New York state museum 



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



Utica slate Holland Patent N. Y. 



