601 



Para. 



Paradoxides harlani, on page 599 above. 



over-develop special features; one individual will develop 

 the different features unequally; and peculiarities of youth 

 only become in other species permanent specific characteristics. 

 (See Walcott's four propositions, pp. 178, 179.) 



Paradoxides lamellatus. Hartt. (Acad. Geol. 2d, Ed. p. 

 2« 1 3 ^^^*^ Walcott, Bulletin 10, U. 8. G. S. 



L.C * ^<7:r:::>^ pl.'iJ p^ge 25, plate 3, fig. 2 a, type specimen, 



enlarged twice. — Saint John formation, 

 Portland, N. Brunswick. — (P. loricatus^ 

 Matt, is a variety. Trans. R. S. Can., 1882, 

 105, pi. 9, f. Id,)— Middle Caminan, M. 



Pai'adoxides maGrocephalus. See Olenellus thompsoni. 



