DESCRIPTION OF LABORATORIES 13 
colours, the sensitivity to colours at the margin of the field of vision, sensations of contrasts of 
colours, visual after-images, and discs for examination of flickering sensations. 
Ascending the stairs, on the second mezzanine is the upper entrance to the Large Theatre. 
With a further turn the main stairway attains the second floor, and passing along the corridor from 
the landing, on that floor, the visitor enters the Class-room for Histology'. This is the largest 
room in the whole building, and in some ways the most important. In this room tiie student is 
taught the use of an instrument that, be he medical man, chemist, brewer, or veterinarian, should 
Morbid Histology Laboratorv 
in after life in any of these callings be to him a trusty assistant, as well as an interesting source ot 
intellectual entertainment, liis microscope. With it all his delicate, minute, and general anatomy is 
done, also a number of observations on the physiological reactions of the actual elements of the 
simplest forms of living things, and of the human body, the living cells of blood, i5cc., ike. In this 
country it is universal custom for all instruction in the intimate structure of the body to be 
entrusted to the laboratory and teachers of Physiology, so that only the gross or 'naked-eye' of 
the human body remains to be dealt with by the ' Anatomical Department.' In Continental and 
American Universities the teaching of the microscopic structure of the body and its organs almost 
always devolves on a separate department, and a Chair entrusted solely with that subject. The 
