ANATOMY 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 



I. Front view of head. II. Side view. 



III. Fore wing. 1— .5. Subcostal nervnles, 6, 7. Discoidal nervules. 8 — 10. Median 

 nervules. 11. Submedian nervure. 12. Internal nervure. 13—15. Disco-cellular nervules. 

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

 vure. 6. Costa or anterior margin, c. Apex or anterior angle. c?. Posterior or hind margin. 

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



IV. Hind wing. 1, 2. Subcostal nervules. 3. Discoidal nervule. 4 — 6. Median nervules. 

 7. Submedian nei-vure. 8. Precostal nervure. 9. Sulacostal nervure. 10. Median 

 ner\-ure. 11,12. Disco-cellular nervules. a. Costal nervui-e. b. 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 



