58 
Records of Mice Matings 
"Grey " = " chinchilla " mixture of dark grey or black hairs with white ones. — ZH'i.ba^ Much 
white on head: fawn patch round each ear: fawn patch on L. side, and large patch on hind 
quarters. — '3H25a^ Head and much of shoulders fawn : white blaze on face. Large fawn 
patch on hind quarters : no lateral patch. — 3H25a* Head fawn with white streak on forehead. 
Fawn continued backwards on left side a.s large patch. A large fawn patch on hind quarters. 
Much white on right side. — 3Z?25a= Head and shoulders fawn : muzzle white : hind quarters 
fawn : large blotches of fawn on L. side and over back to R. side. Much more colour than 
the others. — 3Il-25a^ Head and shoulder patch small. Snout white. Hind quarter patch small. 
— 3Jl25a~ Snout white. Head and shoulder patch larger. A patch on R. side. Hind quarter 
patch small. — 3H25a^ Head with practically no white. Patch on hind quarters divided. — 
SH^Qa^ Head patch covers both eyes. — 3H26a^ Head patch very small : area round L. eye 
white. — 3Z^29a'' Escaped. — 3H31 Z 1.39 albino mother pure-bred for 3 generations. — 3H3la^ A 
fairly uniform, very dark black : the tail with some pink : the belly slightly paler than the back. 
Digits white haired. Whiskers black. Patch behind ears not very light. — 3H3la'^ Perfect wild- 
colour, grey beneath. — 3R3la^ Perfect wild-colour, grey beneath, but the tail ringed with pink. — 
3H3la^ With some pink on tail.— 3^316^ With much pink on tail.— 3^3168 With a little pink 
on tail. — 3i/33 The Z mother pure-bred for 3 generations.— 3ir33ai Fair black, with few 
scattered light hairs. Belly with more light hair. Perineum nearly white. Tail very slightly 
pigmented with white hair. Digits pink, with white hair. Some white hair on dorsum of pes. 
Ears pale. Hair behind them very pale. Some white whiskers. Tip of muzzle with some white 
hairs. — 3H33a^ A very fair black : belly darker than in a' : perineum yellowish. Some white 
on digits, but less than in a^. Many white whiskers. Ears as in aK — 3]l33a^, 3^33a* Almost 
identical with «'^. — 3II33a^ Very good black. Perineum nearly white. Digits pink with white 
hair. Tail pigmented, with little pink patch near extremity. Ears darker than in males : a few- 
white whiskers. — 3H33a'' Very like but no pink on tail and no (?) pale whiskers. Perineum 
and hair on tail yellowish. — 3H31a^ Killed by brother. — 3H3^h^ A dwarf — 3HA0 Ancestry 
black. — 3i/40a2 Killed by brother. — 3Z^42 Ancestry fawn. —3H43,a^ Disappeared and record 
lost.— 3/750a2 Dark lilac— 3^516^ Minute white ventral si^oi.—3Hb3a} Mangy.— 3i3'53c^ Belly 
pale but not white. — 3R5^a^ Very dark chocolate. Eyes black. — 3H59b^ Ears malformed. — 
3H::>9P Very small white ventral streak.— 3^61«2, 3H6la^ Small white belly ijatch.— 3Zf64a2 
Very small white ventral patch. — 3H6ia-^ Very pale lilac. — 3lfQ6b^ Small ventral white streak. — 
3H65b'^ Small oblique ventral streak. — 3^656^ Very small linear ventral streak. — 3H65c^ Fairly 
large ventral patch. — 3565c'* Small ventral patch. — 3HQ5c' Very small ventral patch. — 3if666^, 
35666*, 356665 Very dark lilac— 3/7666", 35666' Very brown lilac— 3571«i, 3mia% 
3Hlla\ 3571a* Dwarfs. 
4/7 Matings. 
451ai Extremely good black above, dark slate colour below. Longer hairs at sides, and 
perineal patch, yellowish. Tail pigmented, hairs yellowish. Digits pink, with pale hairs. Hair 
on and behind ears brown. Whiskers black.— 451a2 Like 451ai, but the long hairs more 
nearly white and some whiskers white.— 451a3 Like AHla^, but more pink on feet.— 452a2 Good 
black above. Scattered hairs on sides and belly fawn. Digits pink.— 452a3 Like 452a2, but 
with less scattered fawn hair.— 452c3 Tip of tail pink.— 45361 Fair black : little scattered very 
pale {\ white) hair at sides. Perineal patch nearly white. Hair behind ears very pale yellow. 
Digits pink, hairs white. Tail pigmented, with white hairs. Many white whiskers.— 4536^ 
Better black than 36^ ; no white whiskers.— 4536^ Good black. Scattered hairs yellower 
than in the other two : tail pink at end : toes much pinker than in 36' or 362.-4536^ A very 
good black, with few scattered pale hairs. Some whiskers white. Digits pink with white hair. 
Tail pink except at base and tip.— 4536" Like 4536«, but tail pigmented.— 454*2 Qood black 
above. Tail pigmented. Digits pink, with white hairs. Some white whiskers. Ear hairs 
brown. Slaty grey below, with very small linear streak of nearly pure white (say 5 mm. x | mm.) 
