Contents, 



III. The Rate of Growth of Fishes. By Dr. T. Wemyss Fulton, 



F.R.S.E., Superintendent of Scientific Investigations 



(Plates VI. -XII.), 141 



1. Introductory, ..... 141 



2. The Relation of Length to Weight, . . 142 



3. The Average Size at Maturity, . . . 150 



4. The Influence of Temperature on Growth, . . 159 



5. The Sprat, 171 



6. The Witch, . ..... 186 



7. The Norway Pout, ..... 195 



8. The Sharp-tailed Lumpenus, . . . 202 



9. Tables showing the Relation of Length to Weight, 205 



IV. Notes on some rare and interesting Marine Crustacea. By 



Thomas Scott, LL.D., F.L.S. (Plates XIII.^XV.), . 242 



Preliminary Remarks, ..... 242 

 Copepoda : — 



Fam. Monstrillidse, .... 243 



Fam. Choniostomatidce, .... 250 



Amphipoda, ...... 257 



Sympoda, ...... 258 



Description of the Plates, .... 259 



V. Report on the Operations at the Marine Hatchery, Bay of Nigg, 

 Aberdeen. By Dr. T. Wemyss Fulton, ERS E., Super- 

 intendent of Scientific Investigations, . . . 262 



VI. On the Post-Larval and Early Young Stages of the Witch 

 (Pleuronectes cynoglossus, Linn.). By H. Chas. Williamson, 



M.A., D.Sc, Marine Laboratory, Aberdeen (Plate XVI.), . 270 



VII. On some Parasites of Fishes new to the Scottish Marine Fauna. 



By Thomas Scott, LL.D., F.L.S. (Plate XVII.), . . 275 



Preliminary Note, ..... 275 

 Part I. Copepoda Parasita — 



Fam. Dichelestidae, . . . .275 



Part II. Trematoda — 



Fam. Tristomatidse, .... 278 

 Part III. Note on a Post-larval Fish attacked by 



Podon Leuckarti, . . ... . 279 



Description of the Plates, .... 280 



VIII. Ichthyological Notes. By Dr. T. Wemyss Fulton, £.R.S.E., 

 Superintendent of Scientific Investigations ( Plate V X VIII. ). 



The Young of the Conger, . . . .281 



A Larval Fierasfer, ..... 283 



The Sting Ray, . . . . .283 



The Pilchard, ...... 284 



The Fecundity of the Sprat, . . . .285 



An Albino Plaice, . . . . .286 



The Thickback (Solea variegata), . . . 286 



Reversed action of the Gill-cover in Plaice, . . 287 



