Hawaiian Crangonidae — Banner 
22f, 1921 . [Same description as original, but 
with figures.] 
description: Rostrum acute, reaching to 
end of first article of antennular peduncle; 
posteriorly continued as broad base between 
eyes; lateral margins almost straight, over- 
hanging orbitorostral furrow; base with low, 
indistinct dorsal carina. Orbitorostral furrows 
deep and narrow, flattening anteriorly, with 
anterior margin somewhat sinuate. Orbital 
hoods hemispherical anteriorly, high and of 
clear chitin; merging with carapace posterior- 
ly. Anterior region of carapace, seen in pro- 
file, depressed; beginning of depressed region 
with small medial protuberance. 
First and second articles of antennular pe- 
duncle subequal; third article somewhat 
shorter. Stylocerite strong, slightly exceeding 
first article. Lateral spine of basicerite some- 
what shorter than stylocerite. Scaphocerite 
with strong lateral spine, squamous area re- 
duced; lateral margins strongly concave. Ba- 
sicerite as long as antennular peduncle, both 
exceeded slightly by scaphocerite. 
Large chela rounded, subcylindrical with 
maximum diameter 1.2 times minimum diam- 
eter, chela 2.7 times as long as maximum di- 
ameter. Palm with deep transverse groove 
proximal to dactylus but without other sculp- 
turing. Dactylus about 0.3 length of entire 
chela, arcuate, high and narrow. Chela with 
only scattered setae except for tufts about fin- 
gers. Merus over twice as long as broad, su- 
perior and inferior internal margins with 
strong acute teeth; all margins with series of 
small indentations from which fine setae arise. 
Small chela subcylindrical with tapering fin- 
gers, 2 poorly developed teeth flanking articu- 
lation of dactylus; fingers in female conical, 
in male balaeniceps-shaped, or bearing a dense 
fringe of setae over broadened dactylus (ac- 
cording to Coutiere; no males collected from 
Hawaii) . Merus similar to that of large chela 
except more slender and superior and inferior- 
internal teeth more poorly developed. 
Carpal articles of second legs with ratio 
10 : 10 : 4 : 5 : 6. 
125 
Ischium of third legs with moderately 
strong movable spine. Merus 5 times as long 
as broad, with strong tooth distally on inferior 
margin. Carpus 0.5 as long as merus, with 
usual inferior distal tooth. Propodus almost 
0.8 as long as merus, with 11 relatively long 
spines on inferior and distal margins. Dactylus 
0.2 as long as merus, somewhat curved, acute, 
simple. 
Telson of usual form, similar to that of C. 
pseudopugnax, with series of small spinules on 
posterior margin. Distolateral margin of inner 
uropod with about 12 small spinules. 
Specimens in collection 3 females, one 25 
mm., others about 20 mm. long. 
DISCUSSION: The other specimens agreed 
with the one described and illustrated on most 
characteristics. The points of difference be- 
tween one or the other of the two undescribed 
specimens and the one described above were: 
First, the "break,” or angle, the anterior cara- 
pace and rostrum made to the dorsal surface 
of the carapace was less pronounced, and the 
tubercle was less noticeable. Second, the ros- 
trum was shorter, reaching only 0.7 of the 
length of the visible portion of the first anten- 
nular article. Third, the second antennular ar- 
ticle was relatively longer, being 1.3 times the 
length of the visible portion of the first article. 
Finally, on the large chela there was a poorly 
marked shallow depression that ran from the 
transverse groove toward the articulation of 
the dactylus. These differences probably are 
individual variations. 
The specimens of this species, which has 
not previously been reported from the Ha- 
waiian Islands, differ in only a few details 
from the original description and figures by 
Coutiere. It is uncertain from Coutiere’ s draw- 
ings whether the configuration of the base of 
the rostrum and the orbitorostral furrows are 
exactly the same in the two forms, but in any 
case they are very similar. Coutiere does not 
show as much depression of the anterior mar- 
gin of the carapace as is shown in these speci- 
mens, nor does he show the median tubercle. 
The carpocerite may be somewhat shorter in 
