TYPE SPECIMENS OF PALEOZOIC FOSSILS 327 



Spirifera cyrtinaeformis see Cyrtia cyrtini- 



formis 



Spirifera medialis see Spirifer audaculus 

 Spirifera medialis var. e a t o n i see Spirifer 



audaculus var. eatoni 



Spirifera unica see Spirifer arenosus 

 Spirifera? waldronensis see Mimulus waldron- 



ensis 



STENOSCHISMA Conrad 



Stenoschisma formosa Hall 



20 35 -^^r- HYPOTYPE Rhynchonella formosa Hall. loth 



annual report of the New York state cabinet of natural 

 history. 1857. p. 76. 



Stenoschisma formosa Hall & Clarke. Paleon- 

 tology of New York. 1894. v. 8, pt 2, pi. 56, fig. 45. 



Helderbergian The Helderberg, N. Y. 



Streptis waldronensis see Mimulus waldron- 

 ensis 



Streptorhynchus chemungensis see Ortho- 

 thetes chemungensis 



Streptorhynchus chemungensis var. a r c t o- 

 striata see Orthothetes chemungensis var. arctostriatus 



Streptorhynchus chemungensis var. pan- 

 dora see Orthothetes pandora 



Streptorhynchus chemungensis var. p e r - 

 v e r s u s see Orthothetes perversus 



Streptorhynchus hydraulicus.f<?<? Orthothetes 

 hydraulicus 



Streptorhynchus pandora see Orthothetes 

 pandora 



Streptorhynchus subplanum see Orthothetes 

 subplana 



Streptorhynchus woolworthana see Ortho- 

 thetes woolworthanus 



STROPHALOSIA King 



Strophalosia hystricula Hall 



2036 ^f^ TYPE Productella hystricula Hall. Paleontology 



of New York. 1867. 4: 178, pi. 26, fig. i. 



Chemung beds Leon, Cattaraugus co. N. Y. 



C. Van Deloo, coll. 1863 



