406 Transactions. — Zoology. 



I have been unable to attach this insect to any known- 

 species. In the absence of an ovisac and the consequent vivi- 

 parous propagation it approaches I. rosce, Eiley and Howard, 

 1890 ; but both adult and larva differ from that species, of 

 which I have reported a variety aiistralis in 1893. There is 

 an insect, /. pahieri, Eiley and Howard, 1890, of which the- 

 adult female is not yet known, and I at first thought that it 

 might be this Sydney one ; but the larva of /. j^cdmeri has the- 

 last joint of the antenna conspicuously swoUeii at the base 

 and constricted in the middle ; and the larval marginal hairs- 

 also differ. 



Since 1892, when I inserted in my paper (Trans. N.Z. 

 Inst., vol. XXV., p. 246) a list of all known Icerycs, the follow- 

 ing have been found : — 



I. rosce, var. aiistralis, Maskell, 1893, Australia ; 



/. crocea, Green, MS., Ceylon; 



I. sp., Cockerell, MS., New Mexico; 



I. nndato, Maskell, Australia. 



The outline of this insect is much like that of Ccelostoma 

 iramane, Mask., the gigantic Coccid from central Australia ;. 

 but, apart from size and colour, the antenna) of the two show 

 that they belong to different genera. 



The figures 1 and 2 of my Plate XXIII. are taken from 

 tracings of sketches sent to me by Mr. Olliff. Since the fore- 

 going description was written intelligence has come of the 

 lamented death of my friend, an event which all who are 

 interested in science, especially in this quarter of the globe, 

 must very deeply deplore. An earnest and energetic worker on 

 the natural history of Australasia, his removal while still in 

 the prime of life leaves a gap which may not be easily filled. 

 Personally I have many recollections of pleasant and useful 

 correspondence with him, although we never actually met ; 

 and I have been frequently indebted to him for hints, informa- 

 tion, and other kinds of help, always promptly and generously 

 given. Whilst, therefore, I mourn his loss as a co-operator in 

 our branch of science, I must also regret the untimely loss of 

 a friend. 



Icerya rosse, var. australis, Mask., 1893. Plate XXIII.,- 



figs. 7-11. 



Specimens of this insect received lately from Mr. Froggatt 

 do not show the rows of yellow spots noted in my description 

 (Trans. N.Z. Inst., vol. xxvi., p. 101). In other respects the 

 specimens agree with my former ones. It is possible that the- 

 spots may be noticeable only at certain seasons. But I find 

 also that in the specimens in my cabinet the spots have dis- 

 appeared, although when alive they were quite conspicuous. 

 It may therefore be also possible that the type of /. rosa in 



