AN EXPEDITION TO MOUNT KINA BALU, 
85 
one is' allied to a form fcmnd in the island by the Dutch Central 
Borneo expedition.” 
Suborder MACRURA 
Tribe Caeidea. 
Family Fal.EMONIDAE. 
Genus Ral^EMON. 
1. “ PAL.EMON (Maceobeachium) PILIMANUS de Man. 
PaUemon pilimanus, de Man, Notes Leyd. Mus. i. p. 181 
(1879); Veth’s ‘Midden Sumatra,’ Crust, p. 4, pi. ii, fig. 2 (1882), 
Palcemon (Macrobrac/nuni) Ortmanii, Zool. Jahrb. 
X. Syst. p. 735, pi. xlvii. fig 9 (1891) ; de Man, Notes Leyd. Mus. 
XX. p. 158 (1898). 
The single specimen, which is from the Innuman River, be- 
tween Kalawat and Bimgol, British North Borneo, differs from 
Ortmann’s figure in having the submedian spines of the telson 
considerably shorter ; it is very possible, however, that the ends 
of these have been worn or broken off.” 
Suborder BRACK YURA. 
Tribe Cyclometopa. 
Family POTAMONIDiE. 
Genus Potamon. 
2. “ PoTAMuN (Paeathelphusa) convexum (de Man), 
Paratelphvsa convexa de Ilaau, de Man, Notes Leyd. Mus. i. 
p. 63 (1879) ; Max Weber’s ‘Reise Ned. 0. Ind.’ ii. p. 302 (1892), 
Potamon {Parathelphusa) convexa^ de Man, Notes Leyd. Mus. 
xxi. p. 142 (1899). 
The single specimen seems, by the following characters, to 
belong to this species. 
i. There are two epibranchial teeth on each side. 
ii. There is a spine near the end of the merus in the walk- 
ing legs. 
iii. The distance between the tip of the postorbital tooth and 
that of the first epibranchial tooth does not exceed the 
distance between the first and second epibranchial teeth. 
iv. The outer edge of the first epibranchial tooth is strongly 
convex. 
V. ’rhere are no spots on the carapace or limbs. 
