928 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
The first two pairs of feet extend beyond acicle by about length of fingers; merus of first pair 
armed with one spine or none below; merus of second pair many-spined. 
Fingers of first pair subequal to palm; of second pair one and a half to one and 
two-thirds times as long as palm. 
Dimensions. — Ovigerous female, length of carapace 25.7, length of abdomen 
74 mm. 
Kaiwi Channel, 343 to 337 fathoms, stations 3470 (type locality) and 3471; 8 
specimens. Cat. No. of type, 30557. 
This species is strongly like P. americana Faxon, but differs most notably 
Fig. 76 . — Pasiphsea kai- 
wiensis, station 3470, 
telson, x 2§. 
in its longer acicle, longer fingers, and less deeply cut telson. , 
Pasiphsea truneata, sp. nov. 
(PI. xxiii, fig. 5.) 
Differs from P. kaiwiensis in having the sixth abdominal segment sharply carinate, the carina 
terminating in a short, pointed tooth; in having the telson more deeply grooved and its tip truncate; 
in having the acicle just half as long as carapace; the merus of first pair of feet armed below with 
many spines; fingers about two-thirds as long as palm, those of second pair 
a little longer than palm. 
There are also minor differences, such as the greater prominence of the 
median frontal lobe, the greater obliquity of the angle of the branchiostegal 
slnus - Fig. 77 —Pasiphsea truneata, 
Dimensions. — Male (station 4166), length of carapace 24.5, length of ab- station 3474 , telson, x 2f. 
domen 66 mm. 
Distribution. — Kaiwi Channel, 351 to 375 fathoms, stations 3474 and 3475; vicinity of Modu Manu, 
293 to 800 fathoms, station 4166 (type locality); 4 specimens. Cat. No. of type, 30558. 
Pasiphsea flagellata, sp. nov. 
(PI. xxiii, fig. 2. 1 
Length of carapace contained little more than twice in length of abdomen. Carapace similar to 
that of P. kaiwiensis; median tooth farther back. 
Abdomen with sixth segment bluntly carinate, and very slightly exceeding the telson, which is 
deeply grooved, and has the tip truncate aside from the movable spines. 
Acicle less than half as long as carapace. Antennal flagellum very 
long (twice as long as body) and very fine in distal half. The two pairs of 
chelipeds exceed the acicle by the fingers and about one-fourth the palm. 
Fig. 78 .— Pasiphsea flagellata, Fin " ers of first P air three-fourths as long as palm, of second pair a little 
station 4108, telson, x 2g. longer than palm. Merus of first pair armed below with three or four, of 
second pair with many spines. 
Dimensions. — Female (station 4108), length of carapace 24.6, of abdomen 53.2 mm. 
Distribution. — North coast of Molokai Island, 295 fathoms, station 3904; vicinity of Kauai Island, 
362 to 399 fathoms, stations 4014 and 4022; Kaiwi Channel, 411 to 442 fathoms, station 4108 (type 
locality); 6 specimens. Cat. No. of type, 30559. 
P. flagellata, like the two preceding species, belongs to the same group as P. americana Faxon and 
P. affinis Rathbun, in which the Carapace is not carinated, the gastric spine does not overreach the 
frontal margin, and the branchiostegal spine is anteriorly placed. It differs, however, in its truncate 
telson, from all of the group except P. truneata; from P. americana in its longer carapace and chelae 
with proportionally longer fingers and its longer telson; from P. affinis in its ntfncarinated abdomen, 
except the sixth segment; from P. kaiwiensis and P. truneata in longer carapace, shorter acicle, etc. 
Psathyrocaris hawaiiensis, sp. nov. 
In the vicinity of Modu Manu in 876 fathoms, station 3977, was found a specimen of a species dif- 
fering from any yet described. The specimen is much damaged and devoid of a large share of its 
appendages. 
