98 INVERTEBKATE ANIMALS. 



and N. Lusitanica ; Corydalis, the most savage 

 looking of all insects ; Winged, worker, and 

 soldier forms of Termitidce, the so-called White 

 Ants. The group also includes the order Tri- 

 CHOPTERA (Kirby), = the Caddis-flies, Phry- 

 ganeidce, and the Order Thysanoptera 

 (Haliday) = Thrips. Series of British repre- 

 sentatives of the group, presented by Benjamin 

 Cooke. Wing of a large insect, beautifully 

 preserved in a nodule of ironstone, from the 

 middle coal-measures, Ravenhead ; collected 

 by the writer, and referred to the genus Cory- 

 dalis. Mr. B. Cooke, after a careful examina- 

 tion of the fossil, believed it to represent 

 the basal portion, about one-third only, of 

 the fore-wing of a Noihochrysa. 



Upper Compartment. 



Larva of Ant-lion ; female of White Ant. 



Group 224.— NEUROPTERA ODONATA. Dragon-flies, 

 Libellulidce. 



Note the extraordinary length of body in Lestes 

 Lucretia, from the Cape of Good Hope ; also 

 the species from Borneo. British series, B. 

 Cooke and F. Brockholes. 



Order ORTHOPTERA. opSo^, straight ; Trrepov, a wing. 



Group 225.— Family PHASMIDiE. (^u(Tfxa, a spectre. 



Walking-stick and Spectre insects, vegetable feeders, 

 chiefly found in India, China, South America, 

 and Australia. Observe Londiodes virgeiis, 

 which has the longest span of any known 



