ANATo:Nnr of a butteefly. 



385 



the wings are those which are denoted by letters, and which 

 should therefore be learned first ; the knowledge of the other 



f 



I. Front view of head. 

 in. Fore tting. 1- 



n. Side view. 

 5. Subcostal nervnles. 



6, 7. Discoidal nervules. 8—10. Median 

 nervules. 11. Submedian nermre. 12. Internal nervnre. 13—1.5. Disco-cellular nerviiles. 

 16. Interno-median nervule. 17. Median nervure. 18. Subcostal nervnre. a. Costal ner- 

 Yiu-e. b. Costa or anterior margin, c. Apex or anterior angle. d. Posterior or hind margin. 

 e. Posterior or anal angle. /. Interior or inner margin. g. Base. h. Discoidal cell. 



IV. Hind icing. 1, 2. Sulxjostal nervules. .3. Discoidal nervule. 4 — 6. Median nei'vnles. 

 7. Submedian nciTure. 8. Precostal nervure. 9. Subcostal nervure. 10. Median 

 nervure. 11,12. Disco-cellular nervules. a. Costal nervm-e. 6. Costa or anterior 

 margin. c. Apex or anterior angle. d. Hind margin. e. Tail or caudal appendage. 

 /. Anal angle. g. Abdominal or inner margin. h. Base. 



V. Underside of body. 1 — 7. Abdominal segments. 8. Caudal or anal extremity. 

 a. Antennae. 6. Tarsus. c. Tibia. d. Femur. e. Palpi. /. The head. g. The 

 thorax. h. Abdomen. 



portions being gained by degrees. Here I may mention that 

 Mr. E. Newman repudiates the word nervure, and substitutes 



c c 



