80 



appears to join the ampulla, and is a short arm ; sacculus 

 extends into a long squamous arm, curled at the tip ; 

 uncus short ; vesica with a short baud of teeth. 



Myptilli. 



Harpe asymmetrical, battledore, similar to mclaiiopa ; left 

 clasper a rough tapered arm ; right clasper much larger' 

 produced into a peaked flattened plate ; the left sacculus 

 extends to the base of the cucullus, the upper half being 

 squamous, the apex is bifurcate, forming two sharp 

 prongs; the right sacculus extends just above the centre of 

 the harpe, into a squamous peak ; uncus cygnated ; 

 vesica with a large bulbed cornutus. 



Heliaca arbuti ; tenebrata. 



Harpe simple, the armature being only indicated by a 

 thickening of the skin ; uncus sickle form, stouter in the 

 middle ; the vesica thickly clothed with long teeth. 



AgTophila sulphur»alisi trabealis. 



Harpe almost square above, with corona of fine spines, 

 asymmetrical ; the right clasper pointed, broader at the base 

 than the left ; the right ampulla fairly stout, clubbed, and 

 clothed with numerous short spines ; that on the left side 

 is slender, not clubbed, and set with two or three short 

 spines ; uncus sickle form : vesica with a few short 

 cornuti ; juxta asymmetrical, right side peaked, left side not 

 peaked ; there are pencils of hair on the eighth segment. 



Aeontia luetuosa. 



Harpe roundly peaked, asymmetrical, without corona ; the 

 right clasper is an elbowed cone, the left side being a 

 round flattened plate with a few spines scattered over it; 

 uncus simple ; aedceagus is strongly curved ; vesica has an 

 oval scobinated plate. 



Epastpia venustula. 



Harpe peaked, spinose ; the clasper near the base of the 

 harpe is slender, elbowed above, with a curled tip ; ampulla 

 a small papilla at the base of the cucullus ; uncus simple 

 vesica with large bulbed cornutus. 



