52 SOME SOUTH INDIAN INSECTS. ETC. [CHAP. V. 



them. Apparently an order had gone forth, <>r a general under- 

 standing been ( ome in. that the rails were not to be crossed." 



h is difficult to resist conceding a certain degree of reasoning 

 faculties to animals displaying such intelligent methods of dealing 

 with quite extraordinary circumstances, and such cases maj 

 perhaps be taken as bridging to some extent anj gap existing 

 between reason and instinct. The subject cannot be discussed 

 more fullj lute but is certain that the majority ot even the most 

 complex of the actions of insects are regulated by instinct and that 

 cases of reasoning an- very rare and confined solely to the most 

 highly-organized of the Social Insects. 



