810 



NOTES AND EXHIBITS. 



[N.B. — The October and November Notes and Exhibits have 

 inadvertently been transposed.] 



Mr. Brazier, on behalf of Mrs. Kenyon, exhibited specimens of 

 the following Mollusca (Fam. Vetieridce) found on the Victorian 

 coasts, and contributed a Note on the same : — Venus galiinula, 

 Lam., V. australis, Sowb., V. scalarina, Lam., V. Peronii, Lam., 

 V. aphrodina, Lam., V. spurca, Sowb., and Tapes flammiculata, 

 Lam., originally described under Venus. 



Mr. Brazier exhibited, and contril:)uted a Note descriptive of, 

 a new Volute from the Lakes Entrance, Victoria. The only 

 specimen available at present is unfortunately somewhat broken. 



Mr. A. H. Lucas exhibited examples of extreme fasciation in 

 the Flannel Flower(^ .^c^uio^us helianthi) and Calycothrix tetragona; 

 also specimens of Casuarina glauca infested with Eriococcus 

 turgijjes, Maskell (determined by Mr. Froggatt). Wherever the 

 parasite had attached itself the shoot had made a simple bend 

 round it, growth of the shoot being hindered on the side next the 

 scale. This arrangement gives a simple means of covering and 

 protection to the parasite. A whole avenue of the Casuarina was 

 so affected. 



Mr. Froggatt exhibited a number of scale insects (Eriococcus 

 coriaceus, Mask.), upon a twig of Eucalyptus, among which had 

 been placed a gi'eat number of the eggs of the scale-eating moth 

 Thalpochares coccophaga, Meyr. The eggs are pale pink, circular, 

 and beautifully ribbed. The scales were infested with the larvae 

 of CryptolcBmus montrouzieri, Muls., one of the useful small black 

 ladybird beetles. Both these enemies of Eriococcus ai^e of great 

 economic value, as the moth larvae have now taken to eating the 

 olive scale (Lecanium olece, Sign.); and the ladybird beetle is 

 systematically bred both in New Zealand and America. Also 

 living specimens of the largest Australian white ant, Calotermes 

 longiceps, Froggatt, which were taken out of a log of fire-wood, 

 and had already been in captivity for over two months. 



