38 STALK- AND SESSILE-EYED CRUSTACEA 
39. Heterograpsus crenulatus. 
Cyclograpsus crenulatus, M. Edw. Hist. Nat. Crust. ii, p. 80, (1837). 
Hemigrapsus crenulatus, Dana, U.S. Explor. Exped. xi, Crust. 
part 1, p. 349, pl. xxii, fig. 3, (1852). 
Heterograpsus crenulatus, M. Edw. Ann. Sci. Nat. xx, p. 193, (1853). 
Heterograpsus barbimanus, Heller, Voy. Novara. Crust. p. 53, pl. iv, 
fig. 5, (1865). 
: 
Gastric region scarcely uneven. Front nearly straight. Three 
teeth on each side of the carapace. Legs with long hairs above and 
below. (M. E.). 
New Zealand (Coll. Brit. Mus.) ; Bay of Islands (Dana). 
There is a specimen from Chili, in the British Museum Collection, of 
this species. I unite with H. crenulatus, H. barbimanus, Heller, from 
New Zealand, the hairs on the immer surface of the hand, which he 
considered a specific distinction, bemg, as the large series in the British 
Museum Collection shows, characteristic of the males of H. crenulatus. 
Length 1 in. ; breadth 1} in. 
40. Heterograpsus sanguineus. 
Grapsus sanguineus, De Haan, Faun, Japon. Crust. p. 58, pl. xvi, 
fig. 3, (1835). 
Heterograpsus sanguineus, M. Edw, Ann. Sci. Nat. (ser. 3) Xx, 
p- 198, (1853) ; Heller, Voy. Novara, Crust. p. 52, (1865). 
4 
Carapace punctate, not traversely lmeolate im front. Lateral 
margins three toothed, the teeth acute. Sides below the middle 
oblique, with the upper margin carinate. Front truncate, half as wide 
as the carapace, and as well as the lateral margins very finely granulate, 
Arm trigonal, dilated at the apex, with the upper and inner keels acute. 
entire, the outer obtuse. Wrist quadrate, convex above, with a single 
spine at the inner angle. Hands equal (in the female), with the upper 
margin obtuse, entire, and, as well jas the mobile finger, smooth. 
Legs glabrous, the middle ones the longest, thighs carinate in front, 
the carina unidentate at the apex ; tarsi of the second pair fasciculate 
in front, the fasciculi minute, black, and’ placed in longitudinal series, 
tarsi of the following legs subglabrous. Nails of the second pair 
convex, acute at the apex, of the following pairs compressed, all six- 
suleate, sulci fasciculate, fascicule as above. Sixth joint of the 
abdomen sub-emarginate at apex, seventh dilated, short, trigonal, half 
as wide as the penultimate joint. Colour blood-red, yellow banded, 
