PROCEEDINGS. 153 
_ The certificate of one aa oa ee was read for the second 
time, and of three for the firs 
Seventy-three donations were ° laid upon the table. 
Dr. W. Morris read a paper—‘ Notes on experiments in 
mounting the Amphipleura pellucida in media having a higher 
refractive index than Canada balsam 
vor following slides were exhibited to illustrate the paper, 
Aiphipleura pellucida mounted in tellurium with Tolles 4 ob- 
Dr. Morris’s microscope. 
New media Amphipleura ae mounted in chloride of tin 
with Tolles’ {, immersion objective. Powell and Lealands- 
patent oil-condenser exhibited by Mr. Pe abe 
Amphiplewra pellucida mounted in phosphorus, with Powell 
and Lealand’s new, wide-angled 1} immersion (water) objec- 
tive on stand, by Swift, with Powell and Lealand’s patent 
mmersio 
Amphipleura pellucida, mounted by Dr. Chase, with Spencer’s 
% oil immersion objective, and Powell and Lealand’ s condenser, 
exhibited by Dr. Wri 
Amphipleura pellucida in balsam, with jth water immersion 
objective, by Siebert. pisses nee achromatic condenser (dry) 
exhibited by Mr. Hirst. 
Spermatozoa in diabetic urine, stained with new dye. Exhibited 
by orris with 3 water r immersion objective, and Powell 
er. 
Mr. G. D. Hirst referred to the great value of Dr. Morris’s 
paper, to the time and trouble it must have taken to prepare, an 
regretted that more interest was not taken in the Microscopical 
Section, as shown by the very small attendance at the Monthly 
Meetin 
Mr. 8. Hersert Cox, F.C.S., F.G.S., read a paper—‘ Notes on 
the characters of the Adelong reefs,” 
e Chairman pointed out the importance and need of placing 
7: a at the time, important facts such as had been noted by 
The Rev. Peter MacPuerson, M.A., read a paper—‘ Stone 
Implements of the Aborigines of Australia and some other coun- 
tries,” and illustrated the same by a large nia of stone axes, 
hatchets, &c., which were arranged on the ta 
The Hon. Dr. J. M. Creep, M.L.C., exhibited a mill, or pestle 
and mortar, used by the aboriginals on the Murray River to grind 
various indigenous seeds for food purposes. The tribe whose 
ied used it was now extinct, and it was found in an old camp 
about 40 miles from Corowa, on the Billabong Creek. He had 
received information, and had been promised specimens of mills 
consisting of two flat stones, which were now in nae natives 
