Orthoc. 



544 



23^pE^. 



Orthoceras caelamen (in part equal 0, nuntium^ and 0, 



crotahcm^ which see.) 

 Hall, Pal. N. Y. 1879, 

 page 298. pi. 113, f. 

 23, pi. 43, f. 15; dif- 

 fering from the other 

 two species in orna- 

 mentation, frequency 

 of rings, etc. Mutton- 

 ville and Moravia, N. Y. Hamilton. — In Pennsylvania, GO? 

 p. 235, Marshall's Creek, Monroe Co. F. & G. collections, 

 Spec. 804-52, 804-63, in Hamilton leds, VIII c 



Orthoceras capitolinum, SnfFord Geol. Tenn. 1869, page 





290, plate 4, (G3.) figs. 1 a^io \ c\ intermediate in character 

 between 0. Mgslyi and 0. conceps. Found in the Middle 

 Enoxville {Lower Hudson river) formation of Central Tennes- 

 see, nil) {a?) 



Orthoceras carleyi, H. & W. Pal. Ohio, Vol. 2, 1875, page 

 98, plate 4, fig. 19, an interesting imperfect specn » :i of a tube 

 of separate chambers enclosed in two other tiibeb*; the spaces 

 between the inner and middle tubes filled with finely ground- 

 up organic remains; that between the middle and outer, with 

 fine silt, and in places with crystalline matter; the chambers 

 either empty, or filled with crystalline matter; possibly the 



