CROSSING EUSCHISTUS VARIOLARIUS AND EUSCHISTUS SERYUS. 367 



August 

 16th. 10.00 A.M. 28 eggs, all hatched : 17 reared to winged stage— (10 cj & 7 $ ). 

 16th. 9.00 P.M. mating : continued to mate 6| hours. 

 17th, 8.4o P.M. ditto ditto 5f hours. 



ISth. 2.00 P.M. ditto ditto 7^ hours. 



19th. 6.00 P.M. ditto ditto 3^ hours. 



20th. 14 eggs. Killed 7 for cytological study ; the remaining 7 hatched. Added 



6 that survived the 2nd moult to nymphs from eggs deposited 



August 27th. Reared the 6 to winged stage. 

 20th. 7.30 P.M. mating : continued to mate 3 hours. 

 21st. 1.80 P.M. ditto ditto 8 hours. 



22nd. 3.30 p.m. ditto ditto 8 hours. 



24th. 5.45 P.M. ditto ditto 4| hours. 



25th. 6.30 P.M. ditto ditto 4 hours. 



26th. 17 eggs, 16 hatched : 6 reared to winged stage— (4 J & 2 $ ). 

 26th. 5.30 P.M. mating : continued to mate 4 hours.. 

 27th. 10 eggs, all hatched : 9 reared to winged stage ; 15 in this cage including the 



6 added from eggs deposited August 20th — (8 c? & 7 5). 

 27th. 3.30 P.M. mating : continued to mate 6A hours. 

 28th. 7.30 P.M. ditto ditto 5f hours. 



29th. 5.15 P.M. ditto ditto 4^ hours. 



30th. 13 eggs, 12 hatcned : 8 that survived were later caged with nymphs from eggs 



deposited September 7th. 

 30th. 4.00 P.M. mating: continued to mate 7 hours. 



Septembeb 



2nd. 15 eggs, all hatched: 10 reared to winged stage— (6 c? & 4 5 ). 



2nd. 4.45 p.m. mating: continued to mate 3| hours. 



3rd. 8.00 P.M. ditto ditto 1 hour. 



4th. The male died, and was preserved in glycerine (tube 38). This male is shown 



on Plate 28, photo 10. 

 7th. 12 eggs, 11 hutched, and after the 2nd moult 8 nymphs were added from the 



eggs deposited August 30th. 17 reared to winged stage— (4 J & 13 cJ )• 

 7th. Killed ^he female and preserved in glycerine (tube 38). We were forced to 



kill this female, as at this period we had as many nymphs as we could 



properly care for. 



Record Vll. Cage 41.— 1912. 



Fourth Pair of F, Hybrids. 



July 

 28th. 6.00 P.M. mating: continued to mate 12^ hours. 



AUGLTST 



8th. 20 eggs, 15 hatched: 8 reared to winged stage— (4 c5' & 4 $). 



ISth. 5.00 A.M. mating : continued to mate 31 hours. 



17th. 25 eggs, 22 hatched: 13 reared to winged stage~(7 c? and 6 2). 



22nd. 18 eggs, 15 hatched : 5 reared to winged stage— (1 cT & 4 $ ). 



23rd. 3.30 p.m. mating : continued to mate 40 hours. 



25th. 6.30 P.M. ditto ditto 17 hours. 



27th. 26 eggs, 21 hatched : 9 reared to winged stage — (2 J & 7 $ ). 



27th. 5,30 P.M. mating : continued to mate 18. i hours. 



