216 ZOOLOGISCHE MEDEDEELINGEN — DEEL III. 
1900. Sesarma (Sarmatium) curvatum Rathbun. Proc. U. S. Nat. Mus., 
v. 22 p. 281 — enumeration of West African localities. 
Specimens in the Museum: 
4 {, 3 Q (type-specimens of Herklots).- 
Though this species at first sight resembles Sarm. punctatum, it is 
distinguished by an occasional third epibranchial tooth, by the last 
segment of the abdomen of the © being much elongated, much longer 
than broad at the base, and by some characters of the chelipeds; parallel 
with the upper border of the palm, but at considerable distance from the 
border itself, there runs a longitudinal granulated row, from the carpal 
joint to the base of the movable finger, somewhat curved inward in its 
distal fourth part; here, over a greater or lesser distance, the row is 
modified into a pectinated crest, consisting of erect, horny-coloured teeth, 
of the same appearance as is generally met with in the subgenera Para- 
sesarma and Chiromantes of the genus Sesarma. The upper border of the 
mobile finger is provided with a longitudinal row of 9—10 low spines, 
turned forward, and outside of this row the border is transversely milled, 
in adult ©, along nearly its whole course. | 
4. Sarmatium fryatti n. sp. 
Specimens in the Museum: 
1 G', Nias, E. B. W. Schröder coll. 1908. 
1 ©, Obi, Bernstein coll. 
1 ©, Java, Kuhl & v. Hasselt coll. (placed in the collection s. n. Chas- 
magnathus gibbosus de Haan). 
Besides the fine from Nias I have examined a Q, likewise from 
Nias, and belonging to the Amsterdam Zoological Museum; the two Q 
of the Museum were found by me among the dried material of Crus- 
tacea and are much damaged. 
The species is nearest related to Sarmatium birói Nobili aud Sarma- 
tium punctatum (A. Milne-Edwards). It resembles the former species by 
the width of the front, by the superior border of the arm of the cheli- 
peds not being armed with a subdistal tooth, by the comparative slen- 
derness of the walking legs, and by the upper border of the movable 
finger being armed with 4—5 spines; the general shape of the carapace, 
and especially that of external orbital angles and epibranchial teeth, is, 
on the contrary, much more like what is found in Sam. punctatum. 
As usual, the carapace is much inflated, strongly curved in longitu- 
dinal direction, but scarcely so transversely, and the branchial regions 
