139 



1914. 



May 14tli 1st ootheca Hatched Aug. 30th. 108 days. Ootheca very 



dry. 



20th 2nd 



23rd 3rd 



28th 4th " 

 June 1st 5th 



8th 6th " 



16th 7th " 



24th 8th " 

 30th 9th 



July 3rd 10 th 



6th 11th " 



10th 12th " 



12th 13th " 



15th 14th " Male died. 



17th 15th " 



19th 16th " 



22nd 17th " 



25th' 18th " 



Aug. 1st 19th " 



6th 20th 



13th 21st 



17th 22nd " 



23rd 23rd " 



28th 24th " 



Sept. 2nd 25th 



7th 26th " 



15th 27th " Hatched Oct. 20th, time 35 days. 20 young. 



20th 28th " Hatched Oct. 26th, time 36 days. 20 young. 



25th 29th " Dried up. Open vials. 



30th 30th 



Oct. 8th 31st " 



14th 32nd " 



20th 33rd " Hatched Dec. 4th, time 45 days. 18 young. 



28th 34th " Hatched Dec. 10th, time 43 days. 20 young. 



Nov. 14th 35th " Dried up — cotton plugs in vials. 



21st 36th " Dried up — cotton plugs in vials. 



Dec. 1st 37th " V2 size. Dried up — cotton plugs in vials. 



10th 38th " 1/2 size. Dried up — cotton plugs in vials. 



1915 

 Apr. 12th No more oothecas produced. 



The egg cases were at first kept in open vials, after removing 

 tlieni from the jar, hnt the eggs dried ont too nmeh, so that 

 many of them did not emerge at all. Later, in order to deter- 

 mine how long she could produce fertile eggs, after the death of 

 the male, T placed each ootheca in a corked vial on the day tliat 

 it was laid, and left these in the tahle drawer. Those that I 

 treated in this way — the 27th, 28th, 3;3rd, and 34th casos — 



