273 



* 'Conversation Meetings," so that the evenings during the 

 session with two exceptions have been devoted to exhibits of 

 objects of interest, etc., and discussions by the members 

 thereon. The innovation has proved successful. 



June 25 was devoted to a public lecture on the poultry 

 tick (Argus persicusj by Mr. D. C. F. Laurie, Government 

 Poultry Expert, the appreciation of the public being shown 

 by an attendance of about 300 members and visitors. 



At the Section's suggestion the Royal Society has pur- 

 chased a microscope for the use of the affiliated sections. The 

 instrument is a Watson's Circuit No. 1 Van Heurck micro- 

 scope stand with substage, and fittings for polariscope and 

 holoscopic eyepiece. 



The following meetings have been held during the year : — 



September 26, 1911. — Annual General Meeting. Elec- 

 tion of officers and a paper by Mr. W. H. Baker on "Some 

 Crustacean Parasites" ; also exhibit of pond-life specimens 

 from Blackwood by Mr. E. J. Bradley. 



October 24. — Conversation Meeting. Mr. Desmond ex- 

 hibited •'Culpepper-Scarlett" microscope, dated 1740. Mr. 

 W. B. Poole exhibited rotifers, Philodenia (sp. ?). Rev. T. 

 Ward exhibited 'commercial" microscopic slides sent out by 

 dealers in London. Amazement was expressed that such un- 

 satisfactory slides should be sent out by reputable dealers. 



November 28. — Mr. W. H. Baker exhibited mounts of 

 small insects cleared with chloral and phenol (equal parts). 

 Mr. Bradley exhibited parasites on the aphis of orange-trees. 

 Mr. W. B. Poole exhibited mounts of Diatoms, and initiated 

 a discussion on mountings in media of high refractive indices. 



March 26, 1912. — Mr. Desmond exhibited Botrioceph- 

 alous worms, Ligula replans (sparganum), from the subcu- 

 taneous tissues of a fox and cow. Mr. Fuller exhibited 

 Bausch & Lomb's 1912 model student's microscope. Mr. 

 Bradley exhibited specimens illustrating the life history of 

 the Anopheles mosquito from the River Torrens. 



April 23. — Mr. Poole exhibited mounts of "Thrip," and 

 slides of Diatoms from Pomonky, U.S.A., mounted by Mr. 

 Showell, of Renmark. Mr. Bradley exhibited insect pre- 

 parations and gave particulars for making preparations with 

 the caustic potash method of maceration. Mr. Broughton 

 exhibited penological preparations. Mr. Desmond exhibited 

 specimens of the red-tailed larva of the botfly of the horse, 

 and also specimens of a new parasite of the fox ( Dihotrioceph- 

 ahtx hit us). 



May 28. — Mr. Poole exhibited Gamasus coleoptratorum , 

 a parasite on the dung beetle. Mr. Bradley exhibited four 

 species of Gamasids obtained as parasites on the dung beetle 



