876 O. Harger—Isopoda from New England. 
podus subequal in all, armed, in the second pair only, with 
spines. Swimming legs (last three pairs) robust, carpus sub- 
circular, dactylus usually about half as long as the propodus. 
Pleon broader than long. Uropoda short, rami cylindrical, 
spiny at the tip; the outer more slender but not shorter than 
the inner. Length of body 45mm. Carpus of first pair 1mm. ; 
propodus 0°6mm.; of second pair, carpus 1‘5mm., propodus 
‘6mm.; of fourth pair, carpus 15mm., propodus 1‘7mm. 
Color, in alcohol, pale honey-yellow. 
This species was dredged in 220 fathoms, in the Gulf of St. 
Lawrence, by Mr. J. F. Whiteaves. 
Aigathoa loliginea, sp. nov. 
Body elongate oval, not suddenly narrower at the base of 
the pleon, which is slightly dilated at the last segment. Head 
passi1 2 
nearly alike throughout, first pair a little more robust, last pair 
slightly the longest, all with strongly curved dactyli. Pleon 
longer than the thorax, tapering to the fifth segment. First 
pair of pleopoda with the basal segment large, nearly square; 
last pair, or uropoda, surpassing the telson; basal segment tri- 
angular with the inner angle acute but scarcely produced ; ram 
flat, the outer with slightly divergent sides, chiiansl y rounded 
at the end; the inner broader, triangular, with the outer side 
longest ; cilia very short almost rudimentary. Length 13mm., 
breadth 86mm. Color in alcohol yellowish with minute black 
specks, most abundant on the pleon. ac 
The only specimen in the collection was obtained by Mr. 
S. F. Clark, at Savin Rock, near New Haven, from the mouth 
of a squid (Leligo Pealit), whence the specific name. 
Ptilanthura, gen. nov.* 
Antennul with the flagellum remarkably developed, multi- 
articulate, second and Slow segments provided with a 
incomplete, dense whorl of fine slender hairs. This whorl is 
interrupted in each segment upon its internal or anterior side, 
* From rriAév a plume, and Anthura. : 
