No. 399.] MORTH-AMERICAN INVERTEBRATES. 217 
é. Second pair of antenne short, reaching to the 
middle of the first thoracic segment. 
Cirolana folita Harger, JV, 17—190 fms. 
c. Frontal lamina broad, short, scarcely twice as long as wide. 
d. Terminal segment with the posterier margin armed 
with many (twenty-six) robust spines. Branches of 
uropoda with apex rounded. 
Cirolana harfordi (Lockington), APD, surface to 40 fms. 
d'. Terminal segment with the posterior margin armed 
with a few slender spines. Branches of uropoda 
with apex acute. 
Cirolana parva Hansen, G, 25-27 fms. 
Genus Conilera Leach. 
Conilera cylindracea (Montague), SG, 111—159 fms. 
Genus Cirolanides Benedict. 
Cirolanides texensis Benedict, Texas, fresh-water 
Genus Eurydice Leach. 
a. Second pair of antennz in male extend to the posterior margin of fourth 
abdominal segment; flagellum consists of twenty-five joints. Termi- 
nal segment truncate between the post-lateral teeth. 
Eurydice caudata Richardson, D 
a’. Second pair of antenne in male extend the entire length of the body ; 
flagellum consists of eighteen joints. Terminal segment rounded 
between the post-lateral teeth. . Eurydice convexa Richardson, G 
FAMILY VI. CORALLANID#. 
Genus Corallana Dana. . . . . . Corallana truncata Richardson, D 
FAMiLY VII. ALCIRONID4E. 
Genus Alcirona Hansen. . . . Alcirona krebsit Hansen, G, 25-28 fms. 
FAMILY VIII. ÆGIDÆ. 
a. Body rather compact. Superior antenna short, with first two pedun- 
cular joints more or less expanded. Epistome large, linguiform, pro- 
jecting between the bases of inferior antennz. axilli with 
palp composed of five joints. Front separating the whole or a great 
part of the first article of the first pair of antenna. Flagellum of 
the first pair of antenne composed of many joints. Abdomen com- 
peek. ee ee er Aga Leach 
a’. Body depressed. Superior antennz short, with basal joints not ex 
panded. Epistome very small and narrow. Maxillipeds with palp 
composed of only two joints. Front covering more or less the 
