PROCEEDINGS OF THE SECTIONS. 61 6 



Dr. Jenkins — A heart showing aneurism of arch of aorta, 

 and obliteration of the lumen of left carotid artery. 



A. MACCORMICK, M.D. J Q . 



E. J. JENKINS, M.D. ... j feecretanes - 



■S. T. KNAGGS, M.D., Chairman. 



MICROSCOPICAL SECTION. 



A preliminary meeting of this Section was held on April 8th. 

 1888 ; Mr. G. D. Hirst occupied the Chair. Mr. F. B. Kyngdon 

 was re-elected as Chairman for the present year ; Mr. Percy J. 

 Edmunds as Secretary ; and Dr. H. G. A. Wright, Dr. Morris, 

 Mr. S. MacDonnell, and Mr. H. O. Walker were elected 

 members of the Committee. 



Monthly Meeting held MAY 14th, 18S8. 



Mr. F. B. Kyngdon in the Chair. 



Dr. Wright exhibited some very excellent micro-photographs 

 of various objects (diatoms, podura-scales, tongues of insects &c.) 

 taken with Zeiss's 1 inch, Tolles' aVth and Zeiss's apochromatic 

 ■ra-th, some by means of lamplight, others by the incandescent 

 electric light. 



Dr. Wright also exhibited a monocular microscope by E. Leitz 

 of Wetzlow. The rrg-th oil-immersion lens belonging to it was 

 tested with success on slides of Navicula angulatum and Ampli. 

 pellucida. 



Mr. Pedley exhibited an indurated tumour from a pig's cheek. 



Monthly Meeting held JUNE 11th, 18S8. 

 Mr. P. B. Kyngdon in the Chair. 



Dr. Wright exhibited some micro-photographs similar to those 

 shown at last meeting. 



Mr. MacDonnell exhibited two species of Caprellce with 

 numerous diatoms firmly attached. 



Dr. Sinclair exhibited a new model of microscope by Zeiss with 

 Abbe's condenser. 



Mr. Edmunds exhibited the original immersion paraboloid 

 invented by Dr. James Edmunds, of London. Also several forms 

 of micrometer and other eye-pieces. 



