[1152] Dr Scott points out to me that recent observations, which have not yet been published, both by Dr Kidston and himself show that Bertrand’s terminology requires modification. There are many points to be cleared up before we can hope to obtain a satisfactory classification of the Zygoptereae.
[1153] Stenzel (89) p. 31, Pls. VI. VII.
[1154] Williamson (89) A. p. 158.
[1155] Ibid.; see also Scott (08).
[1156] Scott (07) p. 180.
[1157] Renault (69); Williamson (74) A. p. 697.
[1158] Williamson (77) Pls. V.–VII.
[1159] Williamson (89) A. Pl. VIII. fig. 28.
[1160] Scott (08) p. 322.
[1161] No. 245.