.')<S lìnllctin ile Id Sociric lùìl(Hiì()l()(/i(iiir (l'iùjiiplr 



i\t'ly. I now replaced Ihc loj) cork ìi. ils oriniiial |)()si- 

 lioii as a iiinrc coiixciiiciil oiic Ibi' ohsci'x alioii aiid kept 

 a supply of grasshojip'Ts Olì il inlciMiiillciilly Ibr some 

 days iiidil 1 sliouid have a IVee moniini; for ohserx alioii. 



Tlie aids lìecaiiie accuslonied lo (ind Ibod in Ihis 

 |)osilioii and when Ihev iiad carried il ali away disap- 

 peared l)id wilhiii an hour of |)ullini4 a IVesh hail Uiey 

 Nvere Ihere. I haxc (d)ser\ed single anls wandei'ing 

 ahoul aimlessly on Ihe lai)le se\cial limes, |)resnmal)lv 

 in search of food, il will he seen IVom whal Ibllows 

 Ihal Illese piohahly acd as seekers l'or food, Ihe acliial 

 Ibragers remaining in lln' nesl nnlil Wì m\ has heen Ibnnd 

 and localed. 



On Ihe l'.lth of August 1912, I pinned a huge Try \- 

 alis and a smaller grasshopper on Ihe cork hi'l'ore going 

 lo hed. Al (S a. m. on Ihe 20lh Ihe anls were husijy 

 car\ing oui Ihe inlerior of Ihese insecls and carrying 

 awa\ the pieces lo liieir nesl in Ihe lloor. 



I now look up Ihe coi'k hoard and placed anolher 

 exactly where il lay; ahoNc Ihis hoaid and pai'allel lo il 

 1 placed a Ihird hoaid hy means ol long pins al Ihe 

 cornel's and in Ihe middle; Ihe original hoard was pla- 

 ced ahoNC Ulis and |)erpendicular lo il hy means ol' lour 

 pins ari'anged symmelrically along its edges. Thus Ihis 

 jjoard was lurned through a right angle and raised I'lom 

 its first position so that to l'cacli the tahle an ant had 

 to l'I imi) to the und ei" side, down one of Ihe four |)ins. go 

 along Ihe middle hoard to the edge, climi) to Ihe under 

 side ol' that, down one ol' Ihe lixc pins to Ihe lower 

 board and Ihence to the tahle. 



Till' cork hoards used wert' 11 :4 1 2 ■:.'{ K) inidies. 

 llu' |)ins were 1 1 2 ine lies long, so llial the original 



