112) A. S. Packard—New North American Phyllopoda. 
joints. Telson with 16 fine teeth, not including the terminal — 
acute spine. Caudal lamelle long and slender, cultriform; 
under edge slightly curved, fringed with long hairs, those at the — 
base slightly plumose; the upper edge straight; end blunt 
Carapace valves rounded oval, pure white; 5 lines of growth; 
shells minutely dotted, the markings being coarser at the pos 
terior end of the shell, and about the region of the adductor — 
o 
me 
5 
ie) 
> 
| 
@ 
= 
o 
Ler } 
S 
. 
3 
S 
= 
=, 
5, 
e 3) 
5 
rE 
: 
(=) 
0g 
o 
> 
® 
4 
= 
ma 
_ One specimen, Waco, Texas. ‘Quite common in many places 
in western Texas in the early spring. It occurs in mudd 
s are redu 
. single row on the edge. Length 30; breadth -23; thicknes 
15 ine 
It differs from E. Mexicana Claus (Grube’s figure) from Zima 
pan, Mexico, in the umbones being much more prominent; 
