288 NEW YORK STATE MUSEUM 



Productella hallana Walcott 



17 6 7 &ojll hypotype Productus dissimilis Hall. Geological' 



survey of Iowa. 1858. v. 1, pt2,p. 497. 



Productus (Productella) hallanus Walcott. 

 Monograph of the United States geological survey. 1884. 

 8:130. 



Productus (Marginifera??) dissimilis 

 Hall (^Productella hallana Walcott) Hall & 

 Clarke. Paleontology of New York. 1892. v. 8, pt 1, 

 pi. 17A, fig. n. 



Upper Devonic Lime creek, la. 



Productella hirsuta var. rectispina Hall 



1768 &$£*■ type Productella hirsuta var. rectispina 



Hall. Paleontology of New York. 1867. v. 4, p. i68> 

 pi. 24, fig. 30. 



Chemung beds Meadville Pa. 



C. Van Deloo, coll. 1863 



Productella hystricula see Strophalosia hys- 

 tricula 



Productella lachrymosa Conrad (sp.) 



1769 £^£ hypotype Strophomena lachrymosa Conrad. 



Journal of the Academy of natural sciences of Philadelphia. 

 1839. 8 : 2 5 6 - 



Productella lachrymosa Hall. Paleontology 

 of New York. 1867. v. 4, pi. 25, fig, 23. 



Chemung beds Ellington, Chautauqua co. N. Y. 



C. Van Deloo, coll. 1863 

 177° ^i 3 - hypotype Hall. Paleontology of New York. 1867. 

 v. 4, pi. 25, fig. 24. 



Chemung beds Cold Spring, Cattaraugus co. N. Y. 



C. Van Deloo, coll. 1863 



1771 -S^ hypotype Hall. Paleontology of New York. 1867. 



v. 4, pi. 25, fig. 26. 



Chemung beds Cherry Creek, Chautauqua co. N. Y. 



C. Van Deloo, coll. 1863 



1772 ^s- hypotype Hall. Paleontology of New York. 1867. 



v. 4, pi. 25, fig. 27. 



Chemung beds Randolph, Cattaraugus co. N. Y. 



C. Van Deloo, coll. 1863 



