\ NEW DOMINANT COLOR PATTERN AND COMBINATIONS 
the pattern S, anda new true breeding dominant pattern (Sm.) is the 
result. Isolatién is not necessary for its p 
New, true breeding, dorhinant color pattern complexes that might 
be considered units, were the elementary patterns composing them not 
individually known, may be, and have been developed in large núm- 
bers by making individuals homozygous for two or more factors for do- 
A) 
minant patterns. This max ke accomplished either. by linkage when 
that is possible, or by ng Ar be B Bors ı different series, 
u à Ae bad 28 & EU za 
or on different pairs ofgh& SOR Wed thf arr: angement, In 
either case isolation DER ion: ‚in separate 
+ Ssa ow © 
cages, if in the laboratér KZ BF Bent gls En in the wild state. 
7 £ ie Q d 4 5 ad a . S > 8 : k 
Keterring to the pl SE De Bu ner vergl die t photographs, of 
; oe 3 @ g oe & Se: & : 1 > 
the upperrow, Paratel x jeta gs Ro SE Bare rogress in the de- 
% = i -,Q2°O igs 
velopment of: -omple ] Beo Eom Brgtiong)! factors each of 
S$ 2.6.8 Dre I er 
which appears tofpe om € le cat bedr Bi ShSigBolpttes. The factor for 
~ © 5 © ea) | 5 a oe 8 à rd 
pattern B is stppased 8 autre € : aoa one pair of chro- 
So m. =, 2 O a 
mosomes of the korn 9 ne gee ca#nät#n@on another pair, 
8 8 an + ‚8 
ara 
for 
rom 
and : a mut: ant,on 1 ions is known to 
fa 
1 
SE isa patte 
S/ 
ygous for bot 
mm 
Ss 
in 
a 4 a 
8 her mE eg 
have occurred inQhe ta El) ary. "81:.&n® tue Pgether so that indi- 
OW 8 5 0 na © 
viduals may becgme ca Sne/$c Gi ES An? Mes LB or three is a very 
| in SA ER dE a RÉ De | A 
simple matte th: 6e ED Ese ss 5 (Origina; AA) 
à a de 9 : * 
BB and © @, TE On ie, 8 & 2 Bog! Boe A few . Each is diffe- 
Bf * 246 Eee SE > © 
nt from the offler And) rd, Weg grag) a 
- 1 Déesse N o © n 2 
Referring to the plateSi si LA SE Be pr 8.1 potettix eury- 
| 209% i A : 
cephalus Hancock a Wss Fa Re eyes ogi ngs represent 
BF 88 ie dr 
probable mutants, tl IT nm 5 FI HSE ing originated 
LR si © „ed Aie 9 
in the laboratory. 1 ESES HDE 8 ive dB dat is a very sim- 
6 r DÉS pire se 0 
ple, though for T ang Ky, @n E Fealal Frick produce the com- 
o 9 2 , D + 
plex patterns shown & Held She ig > Bpom row ?). 
Os = 
oO TD 
> 
2 
fer 
in 
P 
the 
three, lo 
_ patterns. 
mir 
1) J. B. S. Haldane, Journal of Genetics) Vol. 8, No. 4, after reviewing the 
} 
/ 
author's data (Nabours ’14, '17), suggests, possibly with good reason, that in- 
stead of being an independently segregating factor, © crosses over with Band the 
other members of the multiple allelomorphic group to the extent of about 24% 
in the males and 46 % in the females. Nevertheless, the end result with respect to 
the development of pattern complexes would be the same. 
*) The normal recessive type in À. eurycephalus, represented also by the sym- 
bol +/+, is so much like +/+ (old AA) in P. texanus that the one figure (Plate, 
+) will serve at present for both. There are so far eleven factors for color pat- 
gor AR 
