^'EscJnia. 199 



green. Anal appendages of onl\' moderate length, 

 lanceolate, with a black carina along upper surface. 

 Ovipositor long, curved inwards, reaching be^^ond the 

 ninth segment. 



Immature Colouring. 



At first the ground-colour is rather light brown, and 

 the spots are yellow. The latter change through green 

 to blue, while the former becomes darker. The ptero- 

 stigma is at first yellow. 



Egg. 



" Pale }-ellow, oval-cylindrical. x-\ specimen measured 

 rVin. in length and -^Vrin. in breadth. Under the micro- 



lb o 



scope the surface is seen to be finely marked with 

 uniform delicate reticulations, not unlike the facets of 

 the creature's A\'onderful eyes. Each &^^^ has a ver\" 

 short pedicel at one end." (C. J. Watkins, " Nat. Journal," 

 1896, p. 145.; 



Nymph. 



Body without hairs, but granulated, elongated, con- 

 stricted somewhat behind thorax, general ground-color 

 dark sepia ; length about 46mm., breadth 9mm. Head 

 flat, pentagonal, 8'75mm. wide. \^ertex but little raised ; 

 on front edge o{ frons a pale line. Anteiuuc seven-jointed, 

 basal two short and swollen, distal five slender ; third 

 joint long, fourth short, seventh pointed. Jl/as/: ex- 

 tending quite to the insertion of the mid-legs, at base 

 half the width of the front margin ; middle lobe cleft 

 and produced in a very obtuse angle ; palpi cut 

 straight at ends, which internall}- arc produced ver}- 



