(1) A simple method of preparation is to mix one-eighth ounce of 
powdered strychnine alkaloid with an equal quantity of baking soda and 
stir thoroughly in i quart of rolled cats or corn meal, For use on a 
small scale. 
(2) Mix 1 tablespoonful of gloss starch in one-fourth teacupful 
of cold water aud Stir into three-fourths pint of boiling water to make 
a thin Clear paste. klix 1 ounce of rovdered strychnine alkaloid with 
1 ounce of oe soda and stir int« the starch to a smooth creamy mass 
free of lumps. Stir in one-half pint of neavy corn syrup and 1 tabie= 
SpPoontul (ol slyiceran orkpobreie Ling. rae to 10 vounds of milo maize or 
canary seed and mix thercugnly to cost each kernel. Spread on paper to 
dry. The canary seed, or bird seed (P ris canariensis), can usually 
be obtained from bird dealers or seed stores and the maize from feed 
stores. For use on an extensive ‘scale. 
Lethal baits thus prepared will last indefinitely when kept in a dry 
place. They may be placed in small, covered boxes that have one or two 
holes in each sade. sila ghichy ee. than 25-cent pieces. These holesval= 
low the mice to enter the box but should be cut high enough from:the floor 
to prevent the scattering of the bait material outside the box. The boxes 
are effective when left in pleces frequented by the rodents. They prowade 
a permanent poison Supoly thal as availeble.vo the micewab; ills cjamese 
Without some of the cungers cf scattered mouse bait. Such contaaners 
Care should be taken 
e persons, or domesuac 
ae should be washe 
shoulda be marked plaznly with ‘red paant, “PO SON" 
TOMNaKe “chem anaceessauple Lo chaldren, “aac 
animals. All utensiis used in nrevaring lethal be 
thoroughly or destroyed. 
Fresn baits. — For immediate use there are some fresh bait materials 
With which certain poisons may be mxed. A few formulas are given. 
(1) Dice apples or sweet potatoes into one-half inch cubes. Dust 
20 ounces of either bait material, while stirring gently, with one-eighth 
ounce of powdered strychnine alkaloid. Other poisons may be substituted 
for the strychnine. Powdered zinc phosphide may be used in the same pro- 
portion and manner. 
(2) If there are no household pets (dogs or cats) to be endangered, 
hamburger, or a mixture of 2 parts ground bacon and 6 parts of a blend 
of ground dried bread crumbs and cake erunbs, may be used as bait materials. 
One ounce of zine phosphide, or 2 ounces of arsenic trioxide, may be vmmed 
with.10 pounds of one of these bait materials. 
Fresh baits prepared with zine phosphide do not remain effective 
very long, varying from 2 cays to a week, but generally as long as the 
baits remain acceptable. In dry or oily baits the zinc phosphide re- 
tains its toxicity for several months if kept in a dry place and in 
tight containers. Fresh baits should be exposed in places readily 
accessible to mice for quick detection of the bait is desired. 
