The Vo yage of H M S “Challenger’.’ 
Hydroida, Part II , Pi . XV 
A T tfolHck Kth 
West., 1 fswrnan Sc. Q'i imp 
I, V LAFOEA DUMOSA. 2, 2 A HALECIUM FASTI GIATUM 
3. 3 A H EBELLA ST R I ATA 
