APPENDIX. 517 
AMPHIPODA. PODOCERIDES. 
DOMICOLA. (Pol. I. p 491.*) 
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Genus—UNCIOLA. 
OUnciola, Say, Journal Acad. Nat. Sci. Philad. i. p. 389. Epwanps, 
Ann. des Sc. Nat. t. xx. p. 383. Hist. des Crust. iii, 
p. 69. 
Glauconome. Kroyer, Nat. Tidsk.i. p. 501. Spence Bare, Cat. Amph. 
B. M. p. 278. 
Generic character. Long and slender, not much compressed. 
Segments subequally long, increasing in length a little posteriorly 
to the third segment of the pleon. Eyes small and round. Superior 
antenne furnished with a slender flagellum and a small secondary 
appendage. Inferior antenne subequal with the superior. Gnatho- 
poda robust: first pair subchelate ; second pair not subchelate. 
Pereiopoda long and slender; cox small, subequal; basos of the 
three posterior pairs but slightly, if at all, enlarged. Posterior pair 
of pleopoda having but a single branch, and that almost rudimentary. 
Telson single, flat. 
