8lO NEW YORK STATE MUSEUM 



Manticoceras oxy Clarke 

 5 , 2 6 i2|QB TYPE Qarke. 16th annual report of the New York state 

 geologist. 1898. p. 78, fig. 61. 



Portage (Naples) beds Naples N. Y. 



J. M. Clarke, donor 

 orthoceras Breyn 

 Orthoceras (Dawsonoceras) annulatum Sowerby 

 rar. americanum Foord 

 j I2 y iiiii hypotype Orthoceras annulatum var. ameri- 

 canum Foord. Cat. Fossil Ceph. British Museum. 

 1888. p. 56,57. 



Dawsonoceras annulatum var. americanum 

 Clarke & Ruedemann. New York state museum memoir 5. 

 1902. pi. n, fig. 1. 



Lower Shelby dolomite Near Shelby N. Y. 



R. Ruedemann and D. D. Luther, coll. 1902 



Orthoceras crebescens Hall 

 e ! 2 g i2.A^o hypotype Orthoceras crebescens Hall. 20th 

 annual report of the New York state cabinet of natural 

 history. 1867. p. 354. 



Clarke & Ruedemann. New York state museum 

 memoir 5. 1902. pi. 10, fig. 24. 



Lower Shelby dolomite Near Shelby, Orleans co. N. Y. 

 R. Ruedemann and D. D. Luther, coll. 1902 

 c l2 g ,*2|2Q hypotype Clarke & Ruedemann. New York state museum 

 memoir 5. 1902. pi. 10, fig. 27; pi. 11, fig. 2, 5. 



Lower Shelby dolomite Near Shelby N. Y. 



R. Ruedemann and D. D. Luther, coll 1902 

 5I3 o 1 2 1 2 ° hypotype Clarke & Ruedemann. New York state museum 

 memoir 5. 1902. pi. 10, fig. 28; pi. 11, fig. 3. 



Lower Shelby dolomite Near Shelby N. Y. 



R. Ruedemann and D. D. Luther, coll. 1902 

 s , 3 i i2A2£ hypotype Clarke & Ruedemann. New York state museum 

 memoir 5. 1902. pi. 11, fig. 4- 



Lower Shelby dolomite Near Shelby N. Y. 



R. Ruedemann and D. D. Luther, coll. 1902 



Orthoceras darwini see Orthoceras (Kion- 

 oceras) darwini 



