PATTERN-VISION OF THE HONEY BEE. 251 



white longitudinal stipes, mottled red and green. With the ex- 

 ception of the red of some of the plain red artifacts, the red and 

 green used on all of the artifacts was of the same hue. The 

 strip'-- were about five millimeters wide; the spots on the mottled 

 artifact-, varied from two to five millimeter* in length; they were 

 irregular in shape and arranger 1 in a haphazard manner. 



Fl'.. -'. A IfV. -I ill' : 



;i"ttlr'l ; rii'linally ?iriprl oitimoipia. 



i-iid v i.-u ..| ,i loi 



In order to h.i\ c tin- bet - \\orking under normal field ci UK lit ion-, 

 an abandoned in, ,1 !.,\\ was -elected as the -ite of tin- e\| lerimeiit 

 plot. M..-I ol 'in- t'n-ld \\a- rank with Melilolns ulna Lam.; but 

 hen- .nid then- were patches of almo-l barren ground. The 

 maioriiN D| tin experiment^ \\ere performed in one of ii 

 partb. barn n spots, in \\iiieh .1 feu scattered mint plaiil> and a 

 le\s | ilaiil - ol t he \\ hite 5WI 



i i'\ in i in l-.xi'i K[\II \ rs. 



\ I . I July I } 17.] 



The purpose of thi- preliminar\ series of i-xperimeiit - ua- to 

 permit the l-ee- to Irani that IKMU \ < mild In- ol.tained much 

 mole ca-il\ I rom artilael- marked \\it!i alternate red and -n-en 

 lon-itudinal line- than it could lie fnnn the llo\\t-r> of the nieliloi 

 or the mint from \\hich the\ \\ere fora^ii 



I \ri ICIMI \i i. l:<:rly in the tiftcnioou of July 14, tico ili^ . 

 nnirkci! icitlt ffiirallcl red ami and .ell supplied icifli 



honey, were attached to the brand. lilotns bush from ichich 



're collect in^ honey. 



Although the di-c- remained on that plant all of the alternoon, 

 no response was made to them \<\~ any of the be 



I \ri ivi\ii \i J. Three discs, marked icith parallel red and 

 n stripes. .ttaehed to melilotns lici^s and a lar^e drop of 



