INTRODUCTION. 



Vll 



wings and six legs attached to the thorax are always present. 

 Figs. 2-11 represent the chief external parts of the imago. 

 These are shown more or less in outline, and full details with 

 explanation are given under the figures. 



Fig. 2. 



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Fig. 2. — I. Head (Argynms). a, proboscis ; b, b, labial palpi ; c, clypeus ; 

 d,d, compound eyes; e, e, antennas. — II. Single antenna, a, shaft; b, club. 

 — III. Side view of bead, thorax, and abdomen, without the wings 

 (Ckaraxes). a, proboscis; b, labial palpi (the maxillary palpi, much 

 aborted and rudimentary, are not shown) ; c, compound eye ; d, antenna ; 

 e, pronotuin ; /, patella ; g, mesonotum ; h, episternum ; i, i, i, coxa? ■ 

 Jc, fc, Jc, femora ; I, I, I, tibiae ; m, m, m, tarsi ; n, scutellum of mesothorax ; 

 o, post- scutellum ; p, metathorax ; 1-9, segments of the abdomen. 



Fig. 3. — Labial palpi (much enlarged), a. Hestia; b. Orsotricena; c. Hypo- 

 limnas ; d. Pareba ; e. Libythea ; /. Abisara ; g. Papilio ; h. Lampides ; 

 j. Colias ; Jc. Tagiades. 



