jP / * 7 
)£)U t m Cl 
Jjpotit.7. - 'frGppi n<A 
~(-e) Mai r e tr:-n ote - ■ wd reti re r - - cre marS'l 
V/wx 
r^larffed a nd i- a - 
\ ~ r-~ — 
oigmented near the anus; note whether testes are 
enlarged, you may have to gently squeeze then down 
tvf the srno-^n; if there is a prom inant .snail- 
bulge into the pigmented jortion just in front of the 
TOTt ^hc'-ami3 3 3 r- 5: r-fcr tilc-^tte^ 
Note whether there is a ventral gland prominant 
rustv stain under fur at mid ventral lane) and 
there ia a rusty stain on the fur of the 
or sealed shut (inperforate); note whether tcois 
ere enlarged squeeze them to see if you can get milk; 
t.hft rbdlmp-n of a~n females gent ly , but g r a s _ 5 _ 
X- 
all the x-ray in till you hit the backbone, to see if 
cremaster. 
(-£)— Female s -t— 'note-whether vi - gina i -s -op e g-C - e ^ r.forat e)- 
thsre arc"an^' - e.ibr i )Os, dont bo confused'by—a. fu'l 
bladder or feces in the intestine. 
5 g)Both sexes: hold rat firmly by scruff an: both 
hir'd fftftt rrd blow the fu■ the wron~ way un the backi- 
look for luuse eggs, liille white things attached to 
■ftE™—adult lice, w^—errunre rau and also atoacuei to - 
fur; mites ( 1 ) small and vellowich, whitish, or ! 
orangish, which move slowly or not at all on tn© skin; 
mit^f ?) V t r.-rn about 'in diameter, reddish- 
brown in color and move rapidl through the fur# 
Tnese mites ha e not yot been idenojL±.i.©d oo we Ccul 
"-Q-^irL-y —CcbXJL UlftatU — =u — cfedth* — -' 
(h)" Both sexes: while blowing the fur look for new j 
hairs coming in under the large nalrs, and no^e vmere 
on the body you t'ind them# 
(I) Weigh each individual each month. 
8 . On data sheets keep time atarted and finished. 
the weather during the night, including the numum ana 
mnnvinvn h Anirior?,turfiS . 
1 ) 
-y X^U <J—tt—earClL'C —m o uriCf ft©—UUIll UU_—ct -i "• cii 
that is one j’ou have c?Lipped toes on that day# 
