614 



THE AMERICAN NATURALIST 



[Vol. XLV 



Tt is now evident that all the blossoms serve equally 

 well to invite inspection. It is plainly indicated that the 

 artificial cloth petals could have possessed little or no 

 repellent odor, although they received very few inspec- 

 tions in the experiment just preceding. It is not improb- 

 able that the different texture of the material revealed 

 the artificial nature of the cloth petals to the bees. 



E.i l>i r intent No. 6. — July 27. Day cloudy, showery in 

 forenoon, thus greatly interfering with frequency of 

 yisits. Blossoms in the triangular arrangement. 



At (a) control. A normal blossom pinned in position. 



At (b) control. A normal blossom growing in situ. 



At (c) a single petal pinned to a stem. 



Observations were begun at 9:00 a.m., but rain inter- 

 vened at 9:15. A single inspection was recorded for (c). 



Observations were again begun at 10:25, lasting for 

 one half hour until 11 :05. The blossoms were arranged 

 in the triangle as follows : 



At (<t) control. A normal cotton blossom pinned in 



At (b) control. A normal cotton blossom growing in 

 situ. 



At (c) a half opened bud simulated by pinning normal 

 petals together, the calyx being represented by a por- 

 tion of a green cotton leaf carefully wrapped around 

 the base. In this way it was absolutely certain that no 

 unaccustomed odors were introduced. This bud-like ar- 

 rangement prevented all chances of examination of the 



