!)(■, 



Tin: AMI.IUC.W MISIJM .lornSAL 



could l)C j)Ut out of 

 existence as easily as 

 they afc said to lia\e 

 l)t'('n on incoming ocean 

 liners in San Francisco 

 liailxtr. 'I'liese vessels 

 are nearly gas-tiglit and 

 two tons of snlj)]inr 

 were used to fill up and 

 fuinifjate each one for 

 five hours, after which 

 it is reported tiiat fif- 

 teen to twenty buckets 

 of dead rats were re- 

 ino\('d. 



The heavy ravages 

 of plague noAv raging in 

 parts of the Chinese 

 and Russian empires, where little has been done to strike at the acknowl- 

 edged purxeyor of the disease, stand strongly contrasted with the \ery 

 small loss of life from the recent outbreak in San Francisco. That the 



Human flea. Pulexirrilans, found in all parts of the inhabited 

 globe. Occasionally occurs on cat and dog, rats and mice 



The rat 

 and dog flea 



flea. Lamopsylla cheopis. is the "plague flea" but the 

 live on the rat also and thus may carry plague germs as 



human flea and the cat 

 weU 



