96 INVERTEBRATE ANIMALS. 



Group 222.— Genus ORNITHOPTERA, and allies. o>v.j, a 

 bird; Trrepov, a wing. 



These royal insects are found chiefly in the Molucca 

 Islands and in New Guinea. Observe the 

 difference between the male and female in O. 

 Croesus and 0. Aomana ; also the extended 

 palpi in Teinopalpus, a native of the higher 

 ranges of the Himalayas, on the borders of 

 Assam. Estimated number of species, 20. 



Order NEUROPTERA. vsvpov, a nerve; Trrspov, a wing. 



Group 223.— NEUROPTERA in part. 



H May-flies, EpltemeridcB ; Ant-lions, Myrmeleoni- 

 d(B ; Lace-wings, Golden-eyes, Hemerobiidcs ; 

 two examples of the exquisitely fantastic forms 

 characteristic of the genus Nemoptera, N. Coa 

 and N. Lusitanica ; Corydalis, the most savage 

 looking of all insects ; Winged, worker, and 

 soldier forms of Termitidcs, the so-called White 

 Ants. The group also includes the order Tri- 

 CHOPTERA (Kirby), = the Caddice-flies, Pliry- 

 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 Nothoclirysa. 



