STRUCTURE OF BUTTERFLIES AND MOTHS, AS SHOWN ON 



PLATE 1, FIGS. I-X. 



I. BODY, UNDER SIDE, (of Papilio Turnus). 



A. HEAD. 



a, a. Antennne, or feelers. 

 6, 6. Eyes. 



c, c. Palpi. 



d, Tongue, or Haustellum. 



B. THORAX. 



e, e. Pedes antici, fore legs. 



/, /. Pedes medii, middle legs. 

 g, g. Pedes postici, hind legs. 



C. ABDOMEN. 



h, h, h, h. Segments, of which there are six or seven. 

 i. Anal extremity. 



II. BODY, ABOVE. 



a. Collar. 



fj, b. Scapulae, Tegulte or Pterygodes, shoulder covers. 



c. c, c, o. Abdominal segments. 



III. PRIMARY, OR FORE WING. 



a, a. Costal nervure. 



6. Sub-costal nervure. 



6 1, b 3, b 3, b 4, b 5. Sub-costal nervules. 



c 1, c 2. Discoidal nervules. 



d. Median nervure. 



d 1, d 2, d 3. Median nervules. 



e. Sub-median nervure. 



/. Internal nervure, confined almost solely to the Papilionidse. 



g 1. Upper disco-cellular nervule. 



g 3. Middle disco-cellular nervule. 



g 3. Lower disco-cellular nervule. 



h. Interno median nervule, found only in Papilionidse and Morphidae. 



IV. SECONDARY, POSTERIOR OR HIND WING. 



a. Costal nervure. 



6. Sub-costal nervure. 



b 1, b 2. Sub-costal nervules. 



c. Discoidal nervule. 



d. Median nervure. 



d /, d 2, d 3. Median nervules. 



e. Sub-median nervure. 



g 1, g 2. Disco-cellular nervules. 

 k. Pre-costal nervure. 33 



