256 



Part III. — Twenty -third Annual Report 



Faeroe, cod spawning at, 33. 



grounds, small percentage of 



unmarketable fish at, 33. 

 trawling investigations at, 31-33, 



58-64. 



Fishes, parasites of, 108. 



young, destruction of, by sprat and 



sparling fishermen, 156. 

 Fletcher, John, 168. 



Flounder (Pleuronectes flesus), parasite of, 

 108. 



Flounders, spawning of, in Dornoch 



Firth, 20. 

 Food of young lobsters, 69, 70. 

 Formaline, decalcifying action of, 133. 

 Fry from hatchery, liberation of, 124. 

 Fryer, C. E., 168. 

 Fullarton, Dr J. H., 168. 

 Fulton, Dr T. Wemyss, 168, 169, 171. 



Gadid^e, zones of growth in the skeletal 



structures of, 125. 

 Gadus luscus. See Bib. 

 General Index to the Scientific Reports, 



166. 



Gibson, Dr John, 171. 



Gray, David, 171. 



Greenfield, Professor W. 8., 171. 



Grounds of Tay sprat fishery, 163. 



Growth of lobster, 85, 95. 



zones of, in the skeletal structures of 



fishes, 125. 



Gurnard, grey {Trigla gurnardus), para- 

 sites of, 115, 116. 



streaked {Trigla lineata), parasite 



of, 115. 



Haddock (Gadus ceglefinus), parasite of, 

 108. 



Halliburton, Dr W. D., 171. 

 Hard lobsters, 100. 

 Hardening of the shell in lobster, 93. 

 Harpacticus nniremis, 147. 

 Hatchery at Bay of Nigg, operations at, 

 120. 



scarcity of adult plaice for, 121. 



Hatching of crabs, 154. 



of lobster, 65. 



operations, expense of, 121. 



Heincke, Professor Friedrich, 129, 171. 

 Herbertson, Dr Andrew J., 171. 

 Herring, lines of growth in otoliths of, 

 127. 



Herrings, proportion of young, taken in 



sprat fishing, 157. 

 Homarus vulgaris. See Lobster. 

 Hoyle, Dr William E., 171. 



ICHTHYOLOGICAL Notes, 251. 



Index to Scientific Reports, 166. 



Jenkins, Dr J. T., 127. 



Kyle, Dr Harry M., 171. 



Labrax lupus. See Basse. 



Labrus bergylta. See Wrasse, ballan. 



Lamna cornubica. See Shark, porbeagle. 



Laophonte longiremis, 145. 



Larval stages of lobster, 69. 



Lawrence, George, 172. 



Lepeophtheirus sturionis, 110. 



Leptocephal us morrisii, 251. 



— — punctatux, 251. 



Lemcea lusci, 113. 



Lcsteira lumpi, 113. 



Liberation of fry from hatchery, 124. 



Lines of growth in opercular bones, 129. 



in otoliths, 126, 128. 



in pectoral girdle, 131. 



in scales of cod, 130. 



in scales of fishes, 125, 129. 



— = in scales of plaice, 125, 129. 



in skeletal structures of fishes, 



125. 



in vertebra? of fishes, 130. 



Ling (Molua molca), parasite of , 108. 

 Lobster (Homarus vulgaris), appendages 

 of the first zoea, 74. 



behaviour of, 95. 



body fluid of, 98. 



cast, shell of, 94. 



casting of, 89. 



contribution to life-history of, 65. 



conveyance of, 65, 68. 



description of larvae of, 71. 



effect of cold on, 72, 98. 



effect of the exposure of, to strong 



light, 98. 



eggs of, 101, 102. 



external eggs of, 102. 



food of the zoea, 78. 



forms resulting from the casting of 



zoea, 83. 



fry, stages in life of, 68, 69. 



growth of, 85, 95. 



hard, 100. 



hardening of the shell in, 93. 



hatching of, 65. 



increase in size of, on casting, 95. 



indications of approaching moulting 



in, 93. 



larval, description of, 67. 



male, description of, 89. 



measurements of, 103. 



megalops stage of, 68. 



" mysis " stage of, 69. 



— — ovaries of, 98. 



protozoea stage of, 68. 



ripe egg of, 102. 



senses of the, 97. 



size of, before and after casting, 92. 



soft, characters of, 94. 



spawning of, 100, 101. 



variation of the megalops of, 83. 



young, copepoda as food of, 67. 



food of, 69, 70. 



A T itality of, 67. 



zoea stage of, 67. 



Longipedia coronala, 143. 



Lossiemouth, trawling investigations off. 

 20, 24, 41, 46. 



Lumpsucker (Cydopterus lumpus), para- 

 site of, 108. 



Lybster, trawling investigations off, 15, 

 24, 34, 35, 36, 47. 



Lythe. See Pollack. 



M'Intosh, Professor W. C, 172. 



Maclagan, Nellie, 172. 



Maitland, Sir J. R. G., Bart., 168, 172. 



