436 
NEUEOPTEBA. 
Spagnolini gives a list of 20 species occurring in Modena ; Bull. Ent. ^ 
Ital. V. pp. 166-169. 
Tacchetti records 23 species from Padua, I. c. pp. 257-263. 
Gerstacker (Festschr. nat. Fr., 1873, pp. 39-59, figs. 1-16) gives an 
exhaustive analysis of the composition of the parts of the mouth in the 
Odo7iata, detailing the variations in different groups, and comparing his 
own ideas with the varied and often antagonistic theories propounded by- 
previous authors. 
Notes on the destruction of Dragon-flies by birds : Canad. Ent. v. 
pp. 159 & 160. 
Gerstacker, in Von der Decken's Reisen in Ost-Af rika, iii. pt. 2 (ante 
p. 216), describes in full the species previously diagnosed by him {cf. 
Zool. Rec. vi. pp. 455 & 456). 
Lihellulina. 
Lihellula quadrimaculata. Notes concerning a great migratory swarm 
observed in Prussia in May, 1872, by A. Kuwert, S. E. Z. xxxiv. pp. 374 
& 375. 
Mesothemis composita, sp. n., Hagen, Hayden's 6th Report, p. 728, 
Yellowstone River. 
Lihellula julia^ Uhler, = L. exusta, Say ; Hagen, P. Bost. Soc. xv. 
p. 265. 
jEschnina. 
j^schna brevistyla, Ramb., occurs in New Zealand ; McLachlan, Ann. 
N. H. (4) xii. p. 34. 
Gomphina. 
Selys-Longchamps, E. de. Troisiemes additions au Synopsis 
des Gomphines, pp. 1-46, et appendices, pp. 47-87. Also 
published subsequently in Bull. Ac. Belg. (2) xxxv. 
pp. 732-774y & xxxvi. pp. 492-531. 
The number of species is stated to be 188 (raised in the appendix to 
200) ; and descriptions are completed of many species of which only one 
sex was previously known, or of which the types were before imperfect. 
In the appendices the ' sub-genera ' of the great group Gom.plms are 
remodelled, and there is a general index to the Synopsis and all the 
' additions.' Three new ' sub-genera ' are noticed : — 
Cyanogomphus (s. g. of Gomphus), p. 26. Allied to Epigomphus and 
Agriogomphus. The internal nervule of the pterostigma prolonged 
direct to the principal sector ; the sectors of the arculus much separated. 
In the $ the 10th segment truncate above ; the superior appendages 
straight and conical, the inferior with the branches not divaricate. C. 
waltheri, sp. n., p. 27, Rio Janeiro. 
Octogomphus (s. g. of GompJws), p. 32. Branches of the inferior 
appendages of the $ divaricate, and, with the superior appendages, 
furcate at the apex. Type, Ncogomphus specularis, Hagen. 
A llopetalia (s. g. of Petalia), p. 65 (appendix). $ Discoidal triangles 
of 3 or 4 cellules, oblong in the superior wings, nearly equilateral in 
the inferior ; internal triangle small and simple in the superior wings, 
