tJie British Neuroptera-Planipennia. 223 



Explanation of the Plates. 



PLATE VIII. 



Fig. 1. — SialislitiaHa, neuratiou of anterior wing; la, extremity of abdo- 

 men of <J , from above ; 1 6, ditto, from side ; 1 c, ventral valve ; 

 1 d, maxilla and palpus ; 1 e, labium and palpus ; If, mandible ; 

 1 g, labrum of J' ; Ih, ditto of $ ; 1 i, tarsus. 



2. — Sialis fiiUginosa, neuration of anterior wing; 2 a, extremity of 

 abdomen of ^ , from above ; 2 b, ditto, from side ; 2 c, ventral 

 valve. 



3. — Raphidia notata, neiiration of anterior wing ; 3 a, extremity of 

 abdomen of <J , from side ; 3 6, ditto, from beneath; 3c, ditto 

 of $ , from above ; 3 d, ditto, from side ; 3 e, maxilla and 

 palpus. 



4. — Raphidia xantho stigma, neuration of anterior wing; 4 a, ex- 

 tremity of abdomen, from above ; 4 b, ditto, from beneath ; 

 4 c, ditto, from side, after death. 



PLATE IX. 



Fig. 1. — Raphidia, cognata, neuration of anterior wing. 



2. — R. macuHcollis, ,, ,, 



3. — Sisyra terminalis, neuration of anterior and posterior wings. 



4. — Micromus variegatus, ,, ,, ,, 



4 a, extremity of abdomen of M. paganus, from side ; 4 b, ditto, 

 from beneath. 



5. — Psectra diptera. 



PLATE X. 



Fig. 1. — Heynerohius pelluciduf, neuration of anterior wing. 

 2. — H. inconspicuus, appendices of ^ , from side. 

 3. — H. nitidulus, ,, ,, 



4. — H. micanx, ,, ,, 



5. — H. humuli, neuration of wings ; 5 a, appendices of ^ , from side. 



