( vi ) 



2. The genus Scudderia is proposed for an insect whose 

 neuration is different from that of Eugereon, and which is of 

 larger size, the wing measuring 9 centimetres in length. 



3. Brongniart names Megaptilus BlanchanU that large wing that 

 he previously supposed to have belonged to Titanophasma Fayoli. 

 Its neuration recalls that of Eugereon and of Scudderia. It must 

 have measured 18 to "^0 centimetres in length, and 5 centimetres 

 in breadth. 



4. Haplophlebium Barnesii and H. longipennis of Scudder are 

 placed here. 



5. Then come the genera Goldenbergia (Scudder) and Dicty- 

 oneura (Goldenberg), 



The genus Dictyoneura comprehends D. Goldenhergi (Brong.), 

 D. Uhelluloides (Gold.), and D.juciDida (Scudder). 



The abdomen measures 45 millimetres in length, and is termi- 

 nated by two long filaments and by two recurved hooks. The 

 wings are about "^5 mm. wide, and have a very distinct neuration. 

 The reticulation resembles that of the preceding genera. 



The second family, that of the Hadrobrachypoda, comprises 

 two genera, Miamia (Scudder) (M. Bronsoni), and Leptoneura 

 (L. Oustaleti, L. delicatula, L. rohusta, and L. elongata). 



x\ll these insects have a very distinctive /ac/es. They resemble 

 slightly the living Termes ; but they cannot be placed in the 

 same group, though they may have been the ancestral type of 

 Termes. 



The third family of these Paleeodictyoptera includes some new 

 insects ; Brongniart designates them by the name of Platypterida. 



The wings are broad, generally rounded at their extremity, 

 resembling, morphologically speaking, the wings of the Proto- 

 phasmida, but differing from them by the neuration. 



This family comprises three genera : — 



1. LcunproptiUa ; L. Grand' Euryi, L. priscotincta, h.elegans. 



2. Zeilleria; Z.fusca, Z.formosa, Z. carbunaria. 



3. Spilaptera ; S. Packardi, S. venusta, S. Ubellidoides. 



(3) Pseiido-Neurojnern . 



lirongniart makes this a separate order, and places in it six 

 families : — 



1. The family of the Megasecopterida, in which he has esta- 

 l)lished eight genera, viz., Protocapnia, Brodia (Br. priscotincta), 



