TYPE SPECIMENS OF PALEOZOIC FOSSILS 13 



47 -^f TYPE Hall & Clarke. New York state museum memoir 2 



1898. pi. 61, fig. 3. 



Keokuk beds Crawfordsville Ind. 



A. S. Tiffany purchase 



48 ^P 1 - TYPE Hall & Clarke. New York state museum memoir 2. 



1898. pi. 68, fig. 7. 



Keokuk beds Indian Creek Ind. 



, A. S. Tiffany purchase 



49 2J # i 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 



^o 2JL2.9 TYPE Actinodictya placenta Hall. gth 

 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 



^ ! 2.0.40. TYPE Aglithodictya numulina Hall & Clarke. 

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

 % 6, 7, 8, 9. 



Chemung beds ] Near Lawrenceville Pa. 



Andrew Sherwood, coll. 1871 



ARCHAEOCYATHELLUS Ford 



Archaeocyathellus rarus Ford (sp.) 



ij 2 S-Q&o. TYPE Protocyathus rarus Ford. American 

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

 fig. xa, ib. 



Ethmophyllum rarum Walcott. U. S. geologi- 

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



Archaeocyathus (Archaeocyathellus) 

 rarus Walcott. loth 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 



