NoTK.S AND ICXIIIBITS. 591 



1911, at Heatlicote, N.S.W., and has attained a considerable 

 scientific interest in already published papers as the " unknown 

 larva X," which is the only form yet discovered for the Group 

 ' Idocordulina (Subdivision of the Corduliliua). One of the larva? 

 was first found in 1907, at Heatlicote, but died in the act of 

 emerging three years later; so that it has taken five years to dis- 

 cover to what species it really belonged. No imagines have ever 

 been seen or taken at Heathcote. Two other larvae are now 

 practically full-fed in Mr. Tillyard's aquarium, and may be 

 expected to emerge shortly. 



Dr. J. B. Cleland showed portion of a bull's hide, from tlie 

 Hawkesbury River, showing small, scattered nodules due to the 

 distension of sebaceous glands with numerous specimens of the 

 acarid, Demodex fuUiculorum, var. bovis. These massed acarids 

 formed small yellowish caseous areas. Also leaves of a species of 

 Lomatia now exported in bundles to Germany, for decorative 

 purposes, when dried. 



Mr. A. G. Hamilton exhibited a rather striking life-size photo- 

 graph of one of the largest specimens of the green frog (llyla 

 coirulea) taken near Sydney. 



Mr. A. A. Hamilton exhibited, and offered notes on, three in- 

 teresting plants from the National Herbarium, Sydney — (1) 

 Med'icajo hispida Gartn., var. inermis Urb., from the Domain, 

 Sydney(J. H. Camfield), the University grounds(W. M. Oarne), 

 and other Sj^dney localities, not previously recorded from New 

 South Wales. — (2) Acacia ohtusata Sieb., from Bell, N.S.W.(A. 

 A. Hamilton; September, 1912), a species well-established on the 

 Southern Tableland, but rare on the Blue Mountains. —(3) 6'(><?*/a 

 reptans Bentli., from Ballina, N.S.W.( W. Bauerlen; March, 1893), 

 recorded as from Manly southwards, and by Mr. F. M. Bailey 

 from Queensland. 



Mr. E. Cheel exhibited, and comnumicated notes on, a series of 

 botanical specimens comprising (1) Sweetbriar {Rosa rubujinosa 

 L.) collected at Colo via Hill Top, badly infested with Rose-Rust 

 [Phragmidium subcorticium (Schrank) Winter], believed to be 



