TYPE SPECIMENS OF PALEOZOIC FOSSILS 13 



47 *V * TYPE Hall & Clarke. New York state museum memoir 2 



1898. pi. 61, fig. 3. 



Keokuk beds Crawfordsville Ind. 



A. S. Tiffany purchase 



48 M 6 5i type Hall & Clarke. New York state museum memoir 2. 



1898. pi. 68, fig. 7. 



Keokuk beds Indian Creek Ind. 



A. S. Tiffany purchase 



49 20 6 ° y type Hall & Clarke. New York state museum memoir 2. 



1898. pi. 68, fig. 8. 



Keokuk beds Indian Creek Ind. 



A. S. Tiffany purchase 



ACTINODICTYA Hall 



Actinodictya placenta Hall 



50 -^--9 type Actinodictya placenta Hall. 9th 



annual report of the New York state geologist. 1890. 

 p. 60. 



Hall & Clarke. New York state museum memoir 2. 

 1898. pi. 31, fig. 2. 

 Chemung beds Brown hill, near Cohocton N. Y. 



aglithodictya Hall & Clarke 

 Aglithodictya numulina Hall & Clarke 



5 1 type Aglithodictya numulina Hall & Clarke. 



New York state museum memoir 2. 1898. p. 145, pi. 25, 

 fig. 6, 7, 8, 9. 



Chemung beds j Near Lawrenceville Pa. 



Andrew Sherwood, coll. 187 1 



ARCHAEOCYATHELLUS Ford 



Archaeocyathellus rarus Ford (sp.) 

 ^2 type Protocyathus rarus Ford. American 



journal of science and arts, 3d ser. 1878. 15:124, 125, 

 fig. ia, ib. 



Ethmophyllum rarum Walcott. U. S. geologi- 

 cal survey bulletin 30. 1886. pi. 5, fig. 2b. 



Archaeocyathus (Archaeocyathellus) 

 rarus Walcott. 10th annual report of the director of 

 the U. S. geological survey. 1890. pi. 54, fig. 2b. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



