84 



SURGICAL DIAGNOSIS. 



Fig. 75.— Reynara Mouth Kefleotor. 



Keynal is tlie author of an instrument whicli facilitates the 

 examination by the eye of some parts of the mouth. It is 

 poHshed on both surfaces, and acts as a reflector, and, when in- 

 troduced on the inside of the cheek, will helj) to detect diseased 

 spots on the teeth, which would otherwise escape discovery. The 



l''i<^. 76.— Nose Speculum. 



speculum to dilate the nostrils and examine the nasal cavities, 

 also acts as a reflector, but fails, we think, to fulfill the object, 

 for lack of sufficient dimensions. It is made somewhat on the 

 principal of the vaginal speculum used in human medicine, and 

 acts in the same manner. 



FlO. 77.— Eye Speculums 



