NOTES AND EXHIBITS. 477 



Mr. R. Greig Smith, Macleay Bacteriologist, called atten- 

 tion to the recent experiments of Emmerich and Loew upon 

 the digestive action of the enzyme of Bacillus pyocyaneus upon 

 various pathogenic bacteria, and upon the production of artificial 

 immunity against various diseases b}'^ the use of the one enzyme. 



Mr. S. J. Johnston exhibited s[)ecimens of the marine annelid, 

 Palolo viridis, Gray, known to the Samoans and Tongans as 

 Palolo, and to the Fijians as Mbalolo; and he gave a resume of 

 what is known of this celebrated animal. 



Mr. Maiden exhibited herbarium specimens of Eucalypts in 

 illustration of the paper by Mr. Deane and himself. 



Mr. Baker exhibited herbarium specimens and dried fungi in 

 illustration of his paper. 



Mx*. R. Etheridge, Junr., exhibited a series of the wooden fish- 

 ing hooks used in the Ellice group and elsewhere in the Pacific 

 for catching the Palu or "Oil Fish" (Buvettus j^retiostis, Cocco); a 

 mounted specimen of the Palu; and an example of the Tanna 

 Spear-becket. 



Mr. E. R. Waite reported that he had recently had the oppor- 

 tunity of visiting the Government hatchery at Prospect; and by the 

 courtesy of Chief Inspector Brodie and Inspector G. Glading he 

 exhibited specimens of the fry of the Rainbow Trout (^Salmo 

 irideus), some of them showing curious deformities or abnormal 

 developments. 



Dr. Cox showed specimens of the land mollusc described in his 

 paper. It is allied to Liparus brazieri, Angas, and occurs 

 abundantly about 50 miles east of Israelite Bay, W.A. 



Mr. Palmer showed two aboriginal skinning knives found in a 

 cave; a seedling apple tree illustrating the ravages of the woolly 

 aphis upon the roots, without sign of the attack above ground; a 

 specimen of the underground fungus Mylitta mistralis less 

 indurated than usual; and a spider, Amaiirobius sp., — all from 

 Lawson, Blue Mts. 



