32 N. H. AGR. EXPERIMENT STATION. iBulletin 183 



Table No. 8. Results of Feeding Arsenate of Lead to 

 Guinea Pigs without Preliminary Small Doses. 



/9.mamw^mm -"t 



/o. 



3/=— — -t 



^Iw^m^^m^mmmm^^m^ H 



V«--- T.....CK'C_K , 



'it.^^^mmmm^^mm -• 



s 



iLwm^mmm^^i^m^ ^ 



Vi.l^HHHHi^HHi ; •■• 



wM^t^m^^^mmm^ 



fsi^mmmmmmmamm^ ' 



y7_,_ f. Qiec.K.. ^ 



. ' 



>■ a. 



soAMmt 



/o. 



Horizontal lines indicate periods during which the poison was administered. 

 1 centimeter equals 1 1 days. Number at the right end of each solid hori- 

 zontal line indicates number of "units" fed daily. A "unit" is the average 

 maximum residue found per apple in analyses. Dotted lines indicate rest 

 period during which pig received no poison. A cross at the extreme right hand 

 end of line indicates death of pig. 



records of pig Nos. 27, 28 and 26. There is again rather 

 prompt evidence of serious poisoning with doses of 6 units con- 

 tinued thru 12 to 17 days, as shown by pigs Nos. 30, 31 and 32; 

 and fatal results from a dose of 5 units continued thru 8 days, as 

 shown by pig No. 63. 



