Gatty Murine Lahoratory ^ St. AnJrews. 



119 



(c) Structural. 



In British Seas Filograna implexa has been at intervals 

 under examination since 1803, and it was its structure that 

 year in St. Andrews Bay wliich showed how closely it 

 approached Prof. Huxley's Protula di/steri. Indeed, two years 

 at'ttT, the Kn^^iish author ailmitted to the writer that there was 

 no real distinction between them. Since that time numerous 

 specimens from the east and west, north and south, from 

 shore and from deep water, and from such localities as 

 Norway, Shetlaiul, the Hebrides, several stations (7) in tlie 

 North Sea, Plymouth, the Channel Islands, the trawling- 

 {rrounds of 1881, the deep water off St. Andrews Bay, the 

 Moray Frith, the stations of the 'Porcupine,' Naples, the 

 stations of the 'Triton' and 'Knight Errant' from the 

 ited Sea, India, Africa, Australia, and the French coast, &c., 

 have given a fair field for observation, especially when 

 supplemented by living specimens. 



Fresh examples from IMymouth in sea water, as Huxley 

 and others truly said, resemble corals in so far as the 

 branchial fans of the annelids project from the tips of the 

 tubes as miniature flowers, the distal parts (branchia?) of 



