, 
CONTENTS. 
GENERAL STATEMENT, 
EE: 
Trawling Investigations, : 
The Hatching and Rearing of Food- Fishes, 
The Growth and Age of Fishes, 
The Life-History of the Lobster, 
The Parasites of Fishes, . 
The Marine Crustacea, 
The Tay Sprat Fishery, 
The Young of the Conger, : 
The Spawning of the Cod in Autumn in the North Sea, 
Investigations on the Herring in the Firth of Clyde, 
General Index to the Scientific Reports, 
SCIENTIFIC REPORTS. 
. Trawling Investigations. By Dr. T. Wemyes Fulton, F.R.S.E., 
Scientific Superintendent, ; ; 
A Contribution to the Life-History of the Lobster (Homarus 
vulgaris). By H. Chas. Williamson, M.A., D.Sc., Marine 
Laboratory, Aberdeen (Plates I.-IV. i): : 
Experiments in Lobster-Culture, 
The Rearing of Lobsters, 
The Larval Stages, , 
History of the Adult Lobster after “the Eggs had 
Hatched, 
Proportion of Berried Hens in the Catch of Lubsters, . 
The Casting of the Lobster, é 
The Rate of Growth, : as 
The Behaviour of the Lobster, é :* 
Examination of the Ovary, : : 
Spawning, 
Hatching, 
Literature, 
Description of Plates, 
III. Observations on some Parasites of Fishes New or Rare in 
Scottish Waters. By Thomas Scott, LL.D., F.LS., ete. 
(Plates V. and VI.), ; 
Preliminary Note, 
Part I. Copepoda Parasita, 
Part II. Trematoda, 
TV. Report on the Operations at the Marine Hatchery, Bay of Nigg, 
Aberdeen, in 1904. By Dr. T. meus Fulton, F.R.S.E., 
Scientific Superintendent, . 
V. Zones of Growth in the Skeletal Structures of Gadidze and 
Pleuronectide. By J. T. ey MeAG. HEZS: 
(Plates VII.-IX.), : : : 
1. Previous Investigations, : 
2. General Description of Lines of Growth, 
Literature, : 
Description of Plates, 
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