464 



MISSES K. FOOT AND E. C. STROBELL 



Table 8. — F2 males from the sixth pair o£ Fi hybrids. (6 specimens.) 



Photos. 

 49 



50 



Photos 49-50, Plate 45. 



Genital spot. 

 1st (upper) bug intermediate. 

 2nd ,, E, servus. 



1st (upper) bug intermediate. 

 2nd ,, ditto. 



3rd „ ditto. 



4tli „ ditto. 



Intromittent organ, x20 diams. 



Intermediate 113^ mm. 



ditto 129| „ 



Intermediate 128 mm. 



ditto 128 ., 



ditto 125 „ 



ditto 134 .. 



Mean length of intromittent oroan, 126*33 mm. 



Table 9. — Fg males from the seventh pair of Fi hybrids. 



(32 specimens.) 



Photos. 

 51 . 



S2 



53 



64 



65 . 



66 .. 



Genital spot. 

 1st (upper) bug intermediate. 



2nd 

 3rd 

 4th 

 5tli 

 6tb 

 7th 

 8th 

 9th 



E. servus. 



ditto. 



intermediate. 



E. servus. 



ditto. 



ditto. 



ditto. 



intermediate. 



57 



1st (upper) bug E. semis. 

 2ud ,, intermediate. 



3rd „ ditto. 



4th „ E. servus. 



5th ,, ditto. 



6th „ ditto. 



1st (upper) bug intermediate. 

 2nd „ ditto. 



3rd „ ditto. 



4th „ E. servtis. 



1st (upper) bug intermediate. 

 2nd „ ditto. 



3rd ,, E. servus. 



4th „ intermediate. 



1st (upper) bug E. variolarius. 

 2nd ,, intermediate. 



3rd ,, ditto. 



4th „ E. servus. 



1st (upper) bug E. variolarius. 

 2nd „ intermediate. 



Srd „ E. servus. 



1st (upper) bug intermediate. 

 2nd „ ' ditto. 



Intromittent organ. 



Intermediate - 



ditto 



ditto 

 ditto 

 ditto 

 ditto 

 ditto 

 ditto 

 ditto 



Plate 46. 



20 diams. 

 110 mm. 

 120 „ 

 131 „ 

 119 „ 

 1361 „ 

 121i „ 

 138 „ 

 115 „ 

 122 



Intermediate 127 



ditto 

 ditto 

 ditto 

 ditto 

 ditto 



123J 

 112' 



128 

 120 

 136 



Intermediate 115^ mm. 



ditto 112^ „ 



ditto 115 „ 



ditto 1431" „ 



Intermediate 130 mm. 



ditto 120 „ 



ditto 135 „ 



ditto 112 „ 



Intermediate 116^ mm. 



ditto 118 „ 



ditto 1]8 „ 



ditto 131 „ 



Intermediate 112^ mm. 



ditto 119 „ 



ditto 129i „ 



Intermediate 106^ mm. 



ditto 120 



Mean length of intromittent organ, 122*29 mm. 



