42 
PROCEEDINGS OF SOCIETIES. 
I think Dr. Pigott deserves the thanks of the Society for the arduous 
labour he went through in compiling his ready reckoner for angles of 
refraction. 
I am, Sir, yours, &c., 
John Mayall, jun. 
PROCEEDINGS OF SOCIETIES* 
Royal Microscopical Society. 
King’s College, June 5 , 1872 . 
Charles Brooke, Esq., F.R.S., V.P., in the chair. 
The minutes of the last meeting were read and confirmed. 
A list of donations to the Library and Cabinet of the Society was 
read, and a vote of thanks passed to the respective donors. Among 
the recent donations there was a considerable collection of palates of 
Mollusca, accompanied by some beautiful drawings, sent by Mr. 
Mapleson, of Victoria, and a descriptive paper and a number of shells 
had now been received. Mr. Mclntire had kindly undertaken to look 
over the objects, and see if the names were correct. The Secretary 
said the object last sent was a valuable addition, and he should propose 
a vote of thanks to Mr. Mapleson, which was unanimously accorded. 
The Secretary also announced another present from Dr. Blake, 
of San Francisco, consisting of specimens of Algie collected from hot 
springs in the States of California and Nevada. The Secretary read 
a letter from Dr. Blake, describing the conditions under which the 
specimens had been obtained. Mr. Roper, who had paid great atten- 
tion to the subject, had kindly undertaken to examine the collection. 
A vote of thanks was then cordially given to Dr. Blake. 
A paper was read from Mr. Roberts, of Rock Ferry, Cheshire, “On 
the Use of the Pentagraph in Connection with the Microscope.” 
A vote of thanks was passed to Mr. Roberts. 
A paper from Mr. Cubitt, entitled “ Remarks on the Homological 
Position of the Members constituting the Thecated Section of the 
Class Rotatoria,” was taken as read. 
A vote of thanks was then given to Mr. Cubitt. 
Mr. Slack said, “ At the last meeting of the Society Mr. Wenham 
read a paper on a new mode of illumination, which it was not possible 
to discuss properly, as no Fellow had had the opportunity of examining 
the plan. Since the paper was read, however, he had (and he believed 
Mr. Mclntire also) examined the instrument. Mr. Wenham had con- 
trived to enable observers to do with greater facility what was to 
be done, as he had previously explained, with a certain amount of 
* Secretaries of Societies will greatly oblige us by writing their report legibly 
— especially by printing the technical terms thus : H y dr a— and by “underlining” 
words, such as specific names, which must be printed in italics. They will thus 
secure accuracy and enhance the value of their proceedings. — E d. ‘ M. M. J.’ 
