. Transactions of the Royal Society of New Zealand . ir*ra*a#m» ^m fsnlani $n*titutet Vol. xxv., plxviil. COCCI PL Q/E deUaduat. lith. Maskell.— On Coccididse. 241 Subdivision MONOPHLEBIME. Hitherto a distinctive character of this subdivision hasbeen a ten- or eleven-jointed antenna in the adult female. Oneof the insects about to be described shows only seven joints,and yet is certainly adult. It will therefore be necessary tomodify the foregoing character, and to say antennae of usuallyeleven joints. Genus Ccelostoma, Maskell. It has been pointed out to me that the name Colostomaw
. Transactions of the Royal Society of New Zealand . ir*ra*a#m» ^m fsnlani $n*titutet Vol. xxv., plxviil. COCCI PL Q/E deUaduat. lith. Maskell.— On Coccididse. 241 Subdivision MONOPHLEBIME. Hitherto a distinctive character of this subdivision hasbeen a ten- or eleven-jointed antenna in the adult female. Oneof the insects about to be described shows only seven joints,and yet is certainly adult. It will therefore be necessary tomodify the foregoing character, and to say antennae of usuallyeleven joints. Genus Ccelostoma, Maskell. It has been pointed out to me that the name Colostomawas appropriated by others before I used it for a Coccid genusin 1879 — first, by McLeay, in Annulosa Javanica, 1825,and again by Brulle in 1835. The number of names requirednowadays for genera and species is so great that no little in-genuity is necessary to invent one which nobody has ever usedbefore. Duplication is, of course, to be avoided as much aspossible. Still, when one considers that not much confusionis likely to result supposing that the same name were taken,say, for a genus of fishes
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