EXPLANATION OF PLATE LIX. 



Fni. 1. — Adelocephala bicolor, $ , genital armature, from beneatli; ct, cUiJ-per; la, siile view of the same. 



Fig. 2. — Adelocephala fiisecln, $ , tergal view; •s-', end of suranal plate. 



Fifi. 2(1. — Adelocephala hlsecta, $ , tergal view, end of body removed to .show entire suranal plate (.<), with its tip («'). 



Fi<;. 2h. — Adelocephala bisecta, $ , clasper (.<<ide view); s, suranal plate. 



FKi.,3. — Si/fsphinx moliiia, J', from beneath; 2n, clasper. 



Fig. 3c/. — Si/ssphinx molirm, $ , from above; s, basal piece of suranal plate; cl, clasper, with its solid black tij) (2). 



Fig. 4. — Artisota i-iryiuieimin, $ , seen from end; s', ends of the forked suranal plate: cl. clasper, from the outside; 



cl', the same, seen froni the inside. 

 Fig. 4«. — Ankota rirgmicnm, $, the genital armature, from beneath. 



Fig. ih. — Aiiisota rirf/inienttls, $ , the genital armature, under side ol suranal plate, witli the terminal fork {.'•■' i. 

 Fig. -5. — Anlmla sliffma, $ , end of alj<loinen, from aljove. 

 Fig. 5«. — Anisota stifjma, $ , sternal view of claspers and forked tiji of suranal jilate: '/, r. rigid clasper; cl, I, left 



clasper; st, sternum. 

 Fig. oIj. — Anisnta slir/»ia, $ , a portion itergite) removed to sliow the forked end nf the suranal plate (;-■'). 

 Fig. he. — An'mola slUjma, $, end of abdomen, lateral view. 



Fig. 6. — Anisota senaloria, $ , tergal view of_genital armature, the tergite of segment ninr liuving been removed. 

 Fig. 6n. — .ln'o^nln srnaloria, g . The same, from beneath. 



Fig. 7. — Aiii-^"i,i nil.H-mida, <J , end of abdomen; p, penis; pJ, penis slicath; cl, claspcr-tip not sliown. 

 Fig. 7a. — Anixnl'i nihicnnda, $ , sternal view; .«, suranal plate bent down. 

 Fig. S. — Cilheronia regalis, $, segment nine (IX) and clasper intact, dorsal view. 

 Fig. 8«. — Cilheronia regalis, $, sternal view of clasper (cl), harpe (/i), with sternite of .segment eight (VIII), and 



the suranal i)late between the harpes. 

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