336 REPORTS FROM THE SECTIONS. 
WEDNESDAY, 9 JUNE, 1880. 
Dr. Morris in the Chair. 
Mr. H. G. A. Wricut posers Tolles’ 4th duplex front 
objective, which had been made to his special order. With 
this objective Mr. Wright resolved a haaibel of the most difficult 
diatom test objects, including A. pellucida and NV. oxyphillum in 
balsam. Mr. H. O. WALKER exhibited specimens of Volvoa globator 
from the Botany Swamp. Mr. T. E. Hewert exhibited a piece of 
colonial selenite, a remarkably = specimen, and also drew the 
attention of the mee eeting to improved form of Bramhall’s 
illuminator, with a highly polidhéd silver reflecting surface. Mr. 
Brinviey exhibited a series of polariscopic objects, and Mr. 
PEDLEY a rich and varied collection of aquatic entomostraca. 
WEDNESDAY, 14 JULY, 1880. 
Mr. H. - A, apanescapy M.R.C.S., in the Chair. 
preparation of fossil oms from a recently discovered depot 
near Tamworth, by Mr. TL O. Waxker, and beetle by Mr. F. B. 
as a ceardea insect, badly afflicted with acaride. Mr. G. D. Hirst 
exhibited Prof. Smith’s vertical illuminator, which he recommended 
as a very desirable form of illumination for high-angled immersion 
objectives. The performance of this illuminator on JL. saxonied 
and other difficult test objects was most gratifying. 
WEDNESDAY, 11 ALOUATs 1880. 
Dr. Morgis in the 
Mr. H. Suarp exhibited photographs of 4. pellucida, executed 
by Mr. Tolles of Boston, showing the transverse resolved 
from end to va of valves by 4th and j4th inch objectives of his 
own constructio: 
The Cu rebate exhibited a preparation of Odiwm albicans from 
a patient’s tonsil. This fungoid growth possesses co considerable inte- 
rest from the fact that to the unaided eye it presents a be si 
appearance and may readily be confounded with di phibert 
exudations. Dr. Morris also exhibited a gathering of true 
rhomboides from Manly. Mr. T. E. Hewerr exhibited an inte 
sang collection of mites; and Mr. Pepiey, a number of micro 
Scopic marine crustaceans. 
WEDNESDAY, 7 SEPTEMBER, 1880. 
Dr. Morris in the Chair. 
Professor Liversipce presented for distribution amongst iF 
members of the Section two samples of diatomaceous deposits, 
