334 Explanation of Plates. 



PLATE XCV. 



I. Internal genitalia of normal male Amorpha populi. x 2. 

 II. Internal genitalia of intersex of Amorpha populi. X 2. 

 III. Internal genitalia of gynandromorphous A. populi (No. 1). 

 X 2. 



PLATE XCVI. 



I. Internal genitalia of normal female of Amorpha populi. x 2. 

 II. Internal genitalia of gynandromorphous Amorpha populi 



(No. 2). 



PLATE XCVII. 



External genitalia of gynandromorphous Amorpha hybridus. X 12. 

 Cement gland and bursa copulatrix and cement gland of gynandro- 

 morphous A. hybridus. 



PLATE XCVIII. 



External genitalia of gynandromorphous A. populi (No. 1). 



Upper figure ventral view. X 13. 



Lower figure dorsal view. 

 Both drawn as partial transparencies. 



PLATE XCIX. 



Upper figure : Dorsal view of external genitalia of gynandro- 

 morphous A. populi (No. 2), viewed as opaque object. 



Lower figure : Ventral view of external genitalia of gynandro- 

 morphous A. populi (No. 2). 



PLATE C. 



Upper figure : Dorsal view of external genitalia of gynandro- 

 morphous Amorpha populi (No. 2). X 12. 



Lower figure : Dorsal view of portion of external genitalia of 

 gynandromorphous Amorpha hybridus. 



PLATE CI. 



I. Ventral view of external genitalia of normal male Amorpha 

 populi. 

 II. Lateral view of external genitalia of normal male A. populi 

 with valves and harpes removed. 

 III. Ventral view of uncus and gnathus of intersex of A. populi. 



