176 



INDEX 



Portunus puber, 16 

 Protective coloration of sub- 

 aquatic life, 10 



Raoworms as food for gulls, 



119 

 Rainbow trout, a fight for a 

 mate, 153 

 how a bully was suppressed, 

 162-3 

 Razorbill, the, 38 

 Reflection as a concealing factor 

 under water, 9, 10, 12, 

 15 

 how white forms of animal 

 life deal with reflection 

 of top light, 11 

 perfect, and how obtained, 

 6 

 Ribble, the, otters as frequenters 



of waters of, 51 

 Ribble Fishing Association, the, 

 and its water bailiff, 

 51, 74 

 Ridley, Mr., observations of, 

 on a kingfisher's nest, 

 132 

 Roach, and where they lay their 



eggs, 164 

 Rona, a visit to, 84 



an enforced stay at, 86 

 observations on the feeding 

 habits of gulls on island 

 of, 84, 117 

 " the wild beast " of, 

 87 

 Rose, Mr., Master of Essex Otter 



Hounds, 52 

 Rudd the, and how it takes the 

 worm, 158 



Salmo fario, 160 



(See also Brown trout) 

 Salmon, the goosander as enemy 



of, 164 

 Salmon flies experiments with, 



138 

 Salmon fly, the, " flash " of, 



147 

 Sea-birds, and the question of 

 fish life, 102 

 diet of, 25 



havoc wrought by, on food 

 fishes, 118 

 Sea-lions, performing, 88 



(Cf. Seal) 

 Sea urchins, the herring gull's 

 good work among, 119 

 Seal, the, 84 



agility of, under water, 89 



and a dog, 90 



its extraordinary powers of 



endurance, 87 

 voraciousness of, 88 

 Seals, large number of, at Rona, 



86, 87 

 Seaweeds and their power of 



mimicry, 16 

 Shag (Green cormorant), habitat 



of, 26 

 Shrimps, average number of, 

 taken by gulls, 120 

 devoured by gulls, 116, 119, 

 120 

 Skuas as robber birds, 100 



plumage of, 98 

 Smith, Mr. Seth, on the feeding 



of grebes, 41 

 Spawning, a description of, 



154 

 Spoon bait, the " flash " of, 

 146 



