Hawaiian Crangonidae — BANNER 
75 
Fig. 24. Crangon paradentipes (Coutiere). a, Normal 
second leg from specimen from "Albatross” Station 
4063; b, second leg with a carpus of six articles from 
specimen from an undesignated "Albatross” Station 
(U.S.N.M. 63600). 
DISTRIBUTION: This species is one of the 
few that have been found in sponges in 
Hawaii, a common habitat for some species 
in other parts of the world. However, of the 
four separate collections of the individuals 
noted below, only one was noted as coming 
from a sponge; whether the others did or not 
is not known. 
All records of the species probably are from 
deep water beyond the reefs; two were from 
Oahu, off Kaena Point, 180 feet (in sponge), 
and off Diamond Head, 100-200 feet; one 
taken by the "Albatross” was from north- 
east of Hawaii in 61-63 fathoms (Station 
4063, U.S.N.M. 63601) ; the fourth, also taken 
by the "Albatross,” merely states "Hawaiian 
Islands” (U.S.N.M. 63600). 
The species is also known from the Lacca- 
dive Archipelago, its type locality, from other 
localities in the Indian Ocean, and from the 
Netherlands Indies. 
Macrochirus Group 
Crangon gracilis (Heller) var. simplex 
var. nov. 
Fig. 25 a-k 
Alpheus gracilis Heller, K. Akad. Wiss., Wien, 
Sitzungber. 44: 271, Taf. 3, figs. 19-20, 
1861. 
TYPE specimen: a male 12 mm. long, col- 
lected on Waikiki Reef, Oahu (U.S.N.M. 
93456). 
DESCRIPTION: Rostrum acute, rounded dor- 
sally, without Carina; tip reaching from slight- 
ly past middle of visible portion to end of 
first antennular article. Rostrum separated 
from orbital hoods by rounded shallow de- 
pression. Orbital hoods rounded, with small 
acute orbital teeth, well demarked from curva- 
ture of hoods; tips reaching almost to end of 
rostrum. 
Antennular peduncles with second article 
somewhat longer than broad and shorter than 
visible portion of first or third. Stylocerite 
large, lateral spine reaching past middle of 
second antennular article. Lateral spine of 
basicerite from shorter to longer than ros- 
trum. Scaphocerite with strong lateral spine 
slightly longer than antennular peduncle and 
shorter than carpocerite. 
Large chela strongly compressed, slightly 
over 0.5 as thick as high, 2.5 times as long as 
high, without lobes or grooves. Shallow 
rounded depression on superior internal face 
proximal to articulation of dactylus, similar 
concavity on inferior internal face inferior to 
point of articulation. Fingers 0.3 length of 
chela. Chela almost glabrous except for usual 
bristles near tip of fingers and few scattered 
setae along superior and inferior margins. 
Merus without teeth, with 4-6 short spines 
along inferior internal margin. Small chela 
with fingers longer than palm, with tooth at 
point of articulation of dactylus; merus with 
armature similar to that of large chela. 
