76 THOS. H. MONTGOMERY, JR. 



very large its diameter considerably greater than the length 

 of the spider. Nine cocoons were made in these vials, by as 

 many females, and all at some time between 10:30 P.M. and 

 7 A.M., the time of cocooning would then seem to be nearly 

 morning. On previous occasions I have indicated how regular 

 this time is in spiders, and how it varies with different species. 

 Males are abundant through the summer months, but the 

 mating was seen only in part although many of both sexes were 

 kept in observation cages. A male and female were seen to 

 move directly towards each other, and on meeting each elevated 

 its head region so that the line of the body made an angle of 

 about 45 with the floor, when the male extended his cephalo- 

 thorax somewhat beneath and to one side of that of the female. 

 This attitude is similar to that of Dictyna. 



UNIVERSITY OF PENNSYLVANIA. 



