REPOET ON THE BRACHYURA. 
161 
Adult $ . 
Lines. 
Millims. 
Length of carapace, nearly 
4 
8 
Breadth of carapace, about 
11-5 
In this specimen the pubescence of the carapace is not so dense as in adult males in 
the British Museum (H.M.S. “Alert”). 
Pilumnus jpulcher, Miers. 
Pilumnus pulcher, Miers, Crust, in Rep. Zool. Coll. H.M.S. “Alert,” p. 219, pi. xxii. 
fig. A, 1884. 
Torres Strait, August 1874; a fine adult male. Off Cape York, 8 fathoms, lat. 
10° 30' 0" S., long. 142° 18' 0" E. (Station 186) a very small male. 
Adult $ . Lines. Millims. 
Length of carapace, nearly . . . . . . 13J 28 - 5 
Breadth of carapace, . . . . . . 15 J 33 
The pubescence in the small male is whitish, not yellow as in the adult. 
Pilumnus seminudus, Miers. 
Pilumnus seminudus, Miers, Crust, in Rep. Zool. Coll. H.M.S. “Alert,” p. 222. pi. xxi. 
fig. C, 1884. 
An adult male was obtained in Torres Strait with the preceding species. 
Adult $ . Lines. Millims. 
Length of carapace, about ...... 4J 9 
Breadth of carapace. . . . . . . . 6 13 
Pilumnus Idbyrinthicus, Miers. 
Pilumnus Idbyrinthicus , Miers, Crust, in Rep. Zool. Coll. H.M.S. “Alert,” p. 224, pi. xxii. fig. C, 
1884. 
Near Cape York, lat. 10° 30' 0 " S., long. 142° 18' 0" E., in 8 fathoms (Station 186). 
A small male. 
The vermicular ridges of the carapace in their number and disposition closely resemble 
those of the larger example, which is the type of my figure and description. The 
coloration is similar except as regards the fingers, which are white. 
$ . Lines. Millims. 
Length of carapace, . . , . . . . 3 6’5 
Breadth of carapace, nearly ...... 4 8 
(zool. chall. exp. — part xlix. — 1886.) 
Ccc 21 
