EISCLADUS LONGICAUDATUS. 
413 
as the flagellum is strongly setose along the under surface. 
The second pair of hands are a little larger than the first, 
of an oval form, with the palm deeply excavated and 
slightly ciliated. The walking legs are nearly equal in 
length. The ultimate pair of caudal appendages have 
the peduncle robust, and as long again as the middle 
tail-piece ; the branches are very unequal, the inner 
being rudimentary, and the outer longer than the ped- 
uncle, and terminating in a small second joint, re- 
sembling a short stout spine. The central tail plate is 
lanceolate. 
This species forms a curious link between the genera 
Amphithoe and Melita ; in fact, it is only separated from 
the nest-building group by the form of the caudal ap- 
pendages. 
It was dredged during the last summer for the first 
time by the Rev. A. M. Norman and Mr. Gwyn Jeffreys, 
in Outer Skerries Harbour, Shetland, in from two to 
five fathoms of water. 
