401 Meson. 



(Mesonachis vermontana, continued from page 409.) 



XVIII, pi. 5, fig. 8 ; Oleiiellus vermontana^ Hall, 15th An. Et. 

 1862; etc.)— Walcott, Bulletin U. S. G. S. No. 30, page 158, 

 plate 24, fig. 1, copy of original figure of type specimen in Am. 

 Mus. N. H., New York city. Fig. 1 a, Mr. Hurlburt's specimen ; 

 fig. 1 &, enlargement of its tail end, to show the spine project- 

 ing from its 15th segment. — Lower Gamlrian ( Georgian) for- 

 mation, at Parker's quarry, Vt. Heads have been found in 

 Labrador. — Z. C. 



Metoptoma alta, Whitfield. II a. See Appendix. 

 26 



