406 
PACIFIC SCIENCE, Vol. VII, October, 1953 
with three pairs of large immovable teeth, 
submedian, intermediate, and lateral; three to 
five submedian denticles, seven to nine inter- 
mediate denticles, and a single lateral denticle, 
also a pair of prelateral denticles. Exopod of 
uropods with nine movable spines on outer 
margin. Basal portion of uropod elongated 
into two spines, inner longer than outer, a 
small lobe near the outer edge of the inner 
spine (Fig. 3/). Accessory reproductive organ 
of male shown in Figure 'bk. The dorsal sur- 
face of the specimens is somewhat pitted and 
a dull mottled tan in color, the ventral surface 
is highly polished and somewhat lighter in 
color. Specimens vary from 145 to 200 mm. 
in length from the anterior end of the rostrum 
to the extremity of the submedian spines of 
the telson. 
DISCUSSION: Several varieties of this species 
are recognized, but the Hawaiian specimens 
seem to fit the characteristics given by Kemp 
(1913) for those specimens which he had ex- 
amined from this region. He found that spec- 
imens from Hawaii did not seem to fit any of 
the described varieties and did not attempt to 
place them in any definite variety. 
Three males and three females collected at 
Oahu were examined. All were collected in 
regions with a muddy bottom suitable for 
burrowing. The Bishop Museum has eight 
specimens, two females collected at Guam, 
and two males and four females bought at a 
Honolulu market. All were very similar in 
appearance, except for small variations in col- 
or and size; characteristics which do not seem 
to be of systematic importance. There seems 
to be no apparent sexual dimorphism. The 
only positive means found for distinguishing 
males from females was the penis at the base 
of the eighth thoracic appendage, and the ac- 
cessory reproductive organ of the male found 
on the first abdominal appendage (Fig. 3^). 
This species is commonly taken in crab nets 
by fishermen at the Ala Wai Canal, Honolulu. 
Occasionally they appear in the Honolulu fish 
markets, their large size making them desir- 
able for food. 
DISTRIBUTION: This species appears to be 
somewhat more restricted in distribution than 
are other stomatopods, being reported only 
from the Hawaiian Islands, Guam, Philip- 
pine Islands, inland waters of Japan, and the 
China Sea. 
Squilla boops Kemp 
Figs. 4, 5rf-/ 
Squilla boops Kemp, 191I [May]: 97. 
Squilla quadraticauda Fukuda, 19 H [August]: 
287, pi. 11, figs. 3-5. 
DESCRIPTION: Carapace broad anteriorly, 
breadth behind anterolateral spines exceeds || 
0.5 the total length including the rostrum; ij 
conspicuous gastric and cervical grooves, the ! 
latter continuous across the middorsal region; | 
seven distinct longitudinal carinae, median j 
discontinuous anterior to cervical groove, end- |j 
ing in a small pit, marginal produced anterior- || 
ly into a short spine and posteriorly rounded j 
and reflexed toward gastric grooves. Rostrum li 
broader than long, lateral margins upturned, || 
rounded and slightly convergent anteriorly, i! 
a small median carina. Ophthalmic somite 
exposed, anterior margin truncate between 
eyestalks. Eyes large; cornea distinctly bi- 
lobed, set obliquely on stalks, considerably | 
more than 0.3 length of carapace; prominent j 
lobe on external aspect of eyestalk. Ischio- | 
meral articulation of raptorial claw terminal; j 
ventral surface of merus longitudinally j 
grooved throughout its length for reception | 
of propodus; carpus with three carinae; pro- Ij 
podus finely pectinate along upper margin | 
and with two movable spines proximally; j 
dactylus not inflated at base, with a small 
ventral tubercle, five teeth on inner margin j 
(Fig. 5^). Propodus of third and fourth thor- ij 
acic appendages rounded posteriorly, those ! 
of first and fifth nearly straight and parallel || 
to anterior margin (Fig. '^a.c-e). Mandibular j| 
palp composed of three segments, similar to j 
that of 5. oratoria (Fig. 3^) . Free thoracic and i| 
abdominal somites dorsoventrally depressed, |{ 
increasing in breadth posteriorly; all possess- || 
