308 CRUSTACEA. 
the same size, and the fingers of both legs are 
distinctly longer than the paim. In the three other 
specimens, that have all only one leg, the palm is also 
shorter than the fingers. It appears to me very pro- 
bable that in the fullgrown females of this 
species the fingers are always a little longer 
than the palm, but that they are shorter than 
it at a younger age. 
The single specimen from Timor must ora be, ze * 
ferred to Pal. placidulus, but it is a pity that now again, 
as during the voyage of Prof. Weber, only a single spe- 
cimen of this species has been collected on that island. 
The rostrum is armed above with 11 teeth, of which the 
eighth stands above the anterior margin of the cephalo- 
thorax, below with 2 teeth. 
26. Palaemon (Macrobrachium) lepidactyloides de Man. 
Plate 7, fig. 8. 
Confer: de Man, in: Max Weber, Zoologische Ergeb- 
nisse etc., Bd. II, 1892, p. 497, Taf. XXIX, fig. 51. 
A single fine male from the hill-streamlets of the island 
of Great-Bastaard. 
This specimen is interesting, because it completes our 
knowledge of this rare species. Itis considerably larger 
than the typical specimen, that was collected by Weber, 
and that had a length of 46 millim. from the apex of 
the rostrum to the tip of the telson, the example of Great- 
Bastaard measuring 74 millim. The rostrum agrees with 
the first specimen, reaches until the distal end of the 
second joint of the antennal peduncle and is armed above 
with eleven, below with two teeth: the six first teeth are 
placed on the cephalothorax, and the rostrum is narrow 
and directed downwards. The extremity of the telson is 
hurted and the right rami of the uropoda are deficient; the 
still present left rami have exactly the same length, 
the external being not longer than the internal. The 
INotes from the Leyden Museum, Vol. XV. 
