Microscopical Examination of the Blood. 19 



germinal matter, although they were most carefully 

 sought for. The only cells which we could find were 

 the healthy red and white corpuscles. In this case, 

 where death occurred in six hours, and where sufficient 

 time had been given for blood changes, I think that if 

 the changes described by Professor Halford always 

 take place, they ought to have been detected." 



[The large cells, to the best of my belief, were seen 

 b}' Dr. Fayrer and Dr. Macnamara in the blood of a 

 fowl, but riot recognised by them as those so frequently 

 described by me.] 



" A full-grown dog was bitten by a large cobra, died 

 in twenty-six minutes. Blood examined just after 

 death coagulated firmly. 



" A half-grown domestic fowl was inoculated on the 

 inner side of the right thigh with the poison taken 

 from a cobra on the spot. Died in three hours. 



"Necroscopy. In the dog's blood, nothing remarkable 

 was observed. The red corpuscles seemed unaltered, 

 and the white corpuscles were present in the usual 

 proportion. But in the fowl's blood, the appearances 

 were remarkable. In this case, death occurred slowly 

 in three hours ; whereas in the dog, it took place in 

 twenty-six minutes. On carefully examining the 

 fowl's blood with the -fa object glass, and an A eye- 

 piece, the following appearances were observed : 

 The oval red corpuscles were unaltered ; but in the 

 field of the microscope, in addition to the blood 

 corpuscles, a number of large granular bodies were 

 to be seen, which, after careful examination, were 

 discovered to be contained within a distinct cell- 

 wall. The granular bodies were coloured by an 

 amrnoniacal solution of carmine, but neither the cell- 

 wall enclosing them nor the red corpuscles were 



