Enallai:iiia. 



303 



Nymph. 



Colour bri<j;ht L;rccn in general. Length, including 

 caudal lamellae, about 20mm. ; greatest i^'idth about 

 2'5mm. Head pentagonal ; rather narrow from front to 

 back ; width 4min. ; a few darker and lighter markings 

 on the top. Eyes dark ; somewhat elliptical ; major 

 axis almost transverse. Aufcfiuw se\en-jointed ; basal 



Fig. 54. — Caudal lamella of Nvmph of Enallagma cyathigerim. 



(Much magnified.) 



two swollen ; rest more slender ; second long ; sixth and 

 seventh intimately united. Mas/c of the usual Agrio- 

 nine shape (Fig. 53;, extending to the insertion of the 

 first pair of legs ; a row of six long hairs on each 

 palpus near the margin, and two rows of four or five 

 forming a disconnected line on the body of the mask ; 



