CYNTHILIA. 
147 
Franklin on the voyage of the ‘ Erebus 9 and ‘ Terror/ He 
and his companions must have long ago perished in the incle- 
ment regions where their ships have been so long frozen in ; 
but it is hoped that the journals may yet be recovered. 
Goodsir, by a letter received from one of the party, had 
been busily engaged dredging in the Arctic seas, and many 
a valuable observation on Crustacea (his favourite subject) 
has been lost to science. 
Gen. 50. CYNTHILIA.* 
Subabdominal fins composed of two joints ; four last fins 
with the terminal plume double, with an opaque, bifurcate, 
and convolute organ rising between each. 
Cynthilia Flemingii, Goodsir. (Plate IX. fig. 5.) — 
Whole body of an opaque straw-colour, with the netted 
portion of the eyes black. Lower antennal scale nearly 
twice as long as the peduncle. Beak slender and finely 
pointed ; edges of middle plate of the tail spined. Length, 
eight lines. 
Firth of Forth. This was found and described by the 
* Cynthia, J. V. Thompson . Name preoccupied and changed to Cyn- 
thilia. 
