686 NOTES AND EXHIBITS. 



recorded occiun-ence in Australian waters. (3) Two photographs^ 

 taken at Layson Island (Hawaiian Islands) ; one exhibits an 

 immense concourse of Albatrosses (identified by Mr. A. J. North 

 as Diomedea immutabilis, Rothschild) incubating their eggs, and 

 the other the method of collecting and transporting the eggs. 

 This photograph shows, in addition to wheelbarrows and boxes, 

 two railway trains, the wagons of which are literally piled up 

 with eggs. (4) A block of limestone from the Jenolan Caves 

 polished by the action of Rock Wallabies {Petrogale pe7iicillata, 

 Gray). 



Mr. Fred. Turner sent for exhibition a series of specimens of 

 the grass Danthonia piJosa^ R.Br., from near Finley, Riverina, 

 with the inflorescence affected with a parasitic fungus. Fifteen 

 other species of Australian grasses were known to him as subject 

 to similar attacks, namely : — Andropogon intermediits, R.Br. ; 

 Aristida ramosa, R.Br. ; Chloris truncata, R.Br. ; Eragroatis 

 leptostachya, Steud. ; Eriochloa piuiclata, Hamilt. ; Heynartliria 

 compressa, R.Br.; Ilierocliloa rariflora. Hook.; Isc/KPiwiim tiiti- 

 ceum, R.Br.; Leersia hexandra, Swartz; Patdcum ejfusam, R.Br.; 

 Panicum indicain, Linn.; Panicum mitchellii, Benth.; Paspabnn 

 scrohiculatum, Linn. ; Sporoholus indiciis, R.Br. ; SporohoJns 

 indicus, R.Br., var. elongatus. The subject of the effects pro- 

 duced upon stock by feeding on diseased grasses was one well 

 worth investigation. 



^o"^ 



Mr. Palmer showed a specimen illustrating what he thought 

 might be considered an undoubted case of root- grafting. Also a 

 clump of the galls of Brachyscelis duplex, Schrader, from the 

 Blue Mountains; and a quartz crystal or sacred stone presented 

 to his father by an aboriginal of the Port Stephens Tribe, fifty 

 years ago. 



Mr. North exhibited the sexes of the rare White- vented Wood 

 Swallow, Artamus albiventris, which he had shot on Tyreel 

 Station on the Gwydir River on the 9th instant; also the nests 

 and eggs of these birds found at the same time in the top of a 



