ANIMAL REASOX. 33 



6. Huber (Frai^ois) : on bees ; changes in the mode of 

 building their combs, the result of unforeseen physical ob- 

 stacles ; their mode of dealing with pieces of loose comb ; 

 the effects of killing the queen. 



7. Latreille, Nemour, and other authors : on ants. 



8. The celebrated American author Dr. Franklin : on 

 ants with the treacle pot. 



9. Pasley : on scorpions ; their power of self-stinging 

 and suicide. 



10. Boyer : on crickets ; the effects of sound. 



11. Spalding : on birds; the nature of instinct in new- 

 born chicks. 



12. Houzeau : on horses and dogs; their understanding 

 of man's words and conversation, on speaking to or address- 

 ing them as he would have spoken to or addressed children ; 

 their knowledge of time. 



13. Nichols : on dogs and horses ; railway travel in 

 relation to knowledge of time, the succession of events or 

 eventuality, the calculation of the number of stoppages ; 

 their use of natural tools. 



14. Menault: on dogs, testing their power of under- 

 standing man's conversation. 



15. Leroy : on omnibus mules, and on crows; their ideas 

 of number and time, of duty and relaxation therefrom. 



16. Burnett, Jebb, and others : on the dog, horse, and 

 cat ; their power of way-finding. 



17. Fleming : on the pig ; the effect of white colours. 



18. Ferrier: on monkeys and other animals; the local- 

 isation of the functions of the brain. 



19. Romanes : on rats ; use of their tails in the extrac- 

 tion of jelly from narrow-necked jars ; on the intoxication 

 of the Medusce. 



20. Gillies : on trap-door spiders in New Zealand. 



21. Gudden: on various animals; effects of removal of 

 the brain. 



22. CzermaJc : on birds ; the artificial production of hyp- 

 notism and catalepsy. 



23. Flourens : on pigeons ; results of removal of the 

 cerebral hemispheres. 



VOL. i. E 



