328 



Morgan. 



The analysis follows: 



Rudimentary 9 

 Long (5 . . . 



RmX — RmX 



RMX — nn 



Fl 



RmX — RMX Long $ 

 RmX — rm Rudimentary cj 



Text-Figs. i6 — 23. Four unusual types of rudimentary wings more intermediate 

 in character. Figs. 16 and 17: a pair of rudimentary wings somewhat intermediate 

 in type. Figs. 18 and 19: a similar pair, one (19) more nearly like the rudimentary, 

 the other (18) more intermediate. Figs. 20 and 21: a pair of wings, one typically 

 rudimentary (21), the other (20) intermediate. Figs. 22 and 23: a pair of wings, one 

 rudimentary (23), the other (22) intermediate but more nearly normal than (20). 



