FlG. 23. NESTS OF THE REPUBLICAN. 



INSTINCT AND INTELLIGENCE. 



CHAPTER III. 



73. Habitations for the young provided more frequently than for 

 the adults. 74. Birds 1 nests. 75. Nest of the baya. 76. Nest 

 of the sylvia sutoria. 77. Anti-social instinct of carnivorous animals. 

 78. Their occasional association for predaceous excursions. 79. 

 Assemblies of migratory animals. 80. Example of the migratory 

 pigeons of America. 81. The beaver. 82. Their habitations. 83. 

 Process of building their villages. 84. These acts all instinctive. 

 85. Low degree of intelligence of the beaver. 86. Method of catching 

 the animal. 87. Social instinct of birds The republican. 88. 

 Habitation of wasps. 89. Formation of the colony Birth of neuters. 

 90. Males and females. 91. Structure of the nest. 92. Form and 

 structure of the comb. 93. Process of building the nest and con- 

 structing the combs. 94. Division of labour among the society. 95. 

 Number and appropriation of the cells. 96. Doors of exit and 

 entrance. 97. Avenue to the entrance. 98. Inferior animals not 

 devoid of intelligence. 99. Examples of memory. 100. Memory of 

 the elephant Anecdote. 101. Memory of fishes. 102. Examples 

 of reasoning in the dog. 103. Singular anecdote of a watch-dog. 

 104. Low degree of intelligence of rodents and ruminants proved by 

 Cuvier's observations. 105. Intelligence of the pachydermata the 

 elephant the horse the pig the pecari the wild boar. 106. The 

 quadrumana. 107. Cuvier's observations on the ourang-outang 

 marks of his great intelligence. 



LARDNER'S MUSEUM OP SCIENCE. L 145 



No. 100. 



