580 ON SOME AUSTRALIAN ANISOPTERA, 



Thorax : dorsal bands scarcely Thorax : dorsal bands more 



more than mere lines, short, conspicuous, longer, waved, pale 



curved, whitish, each followed bluish-green, each followed by a 



by three spots behind, one each single spot just above interalar 



side of interalar ridge, close up ridge; humero-lateral band with 



to dorsal ridge; and one, larger the first two waved spots en- 



and more rounded, above inter- larged to form curved bands of 



alar ridge and lying further pale bluish-green; third spot as 



away from dorsal ridge. Hu- in A. parvistigma but bluish- 



mei'O-lateral band consisting of green; lower lateral surface with 



three separate creamy white four creamy spots touched with 



spots, the fii'st two waved, the blue or green, 

 third round; lower lateral sur- 

 face with four creamy spots. 



^.Abdomenverj much spotted ^ .Abdomen miich less spotted 



— 1, a large spot low down on (the name viidtipunctata is un- 



each side : 2, two basal spots, fortunate, from this point of 



two central transverse lines, view) — \, &,s m A. parinstiyma: 



two apical spots, a large spot 2, a ci-oss formed of four sepa- 



on each auricle, a large creamy rate bluish dorsal lines; on each 



band on each side of genitalia : side, a curved apical spot; a 



3-4, two basal, two central, and creamy spot on auricles, and 



two apical spots : 5, ditto, cen- large band bordering genitalia : 



tral spots placed one-third from 3, more pointed than in A. par- 



base, apical spots very small : vistigma ; basal, central, and 



4-7, a conspicuous comma-shaped apical spots bluish, much smaller 



spot low down on each side : than in A. parvistigma : 4-5, a 



6-7, apical spots absent or ob- pair of central bluish spots very 



solescent, central spots close up close together; on each side a 



to basal spots, isolating a black lateral apical spot : 4-7, with 



cross-mark: 8, basal and central comma spot as in A. pai-vistigma: 



spots conjoined with two large 6-7, a pair of small slanting 



basal spots; a suspicion of two spots close together one-third 



lateral apical spots; two small from base : 8, two large bluish 



basal lateral spots : 9-10, two basal spots : 9-10, with lateral 



lateral apical spots: 10 only apical spots: 10, raised dorsally 



slightly raised dorsally into an into a large, sharply-pointed 



obtuse tubercle. tubercle. 



