EXPLANATION OF PLATE A. 



*,* In all cases throiuiliout tlie plates, both the jilain aiul colotired, the figures Diat have 

 titc mitial H attached to them liave been draien from life by Dr. Hudson, aiul those with the 

 initial G, also from life, btj Mr. Gosse. 



I'.iiAcmoxus i:ui!ENS (ind the details of its structure. 



1. Dorsal view .... 



•2. Ventral view; upper lialf . 



(i. Loriea and luu.scles; ilorsal view 



4. „ „ \-cntnil view 



5. Side view ..... 

 C. Mastax and trophi ; dorsal view . 



7. Tropin; ventral view . 



8. Malleus expanded by pressure . 



Malleus, as in natun 

 Incus, side view 

 Ganglion and eye 

 Extremity of foot 



G 

 G 

 H 

 H 



Male ; penis witlnbawn (after Dr. Colm) 

 Male; penis extruded (after Dr. Colm) 

 Dorsal antenna . . . .11 



Ephippial egg (after Dr. Colm) 



In all the above figiu'es the letters signify as follows ; 



