6 MENDELIAN SEGREGATION 
other groups. Hence in Drosophila there are four 
groups of characters, a partial list of which follows: 
tan, nick, vg" dwarf, dw 
GROUP I ey tb oblique dwarf-b 
Abnormal, A tinged, w’ olive ebony, e 
Bar, B ~'vermilion, v pads ebony‘, e4 
Bar-—def’y Verm.—det’y Pale-u1, Pur Extended, Ds 
bifid, bi Verm.—dup. patched giant, gt 
blood, w? - white, w pinkish glass, gl 
pores bd yellow, y Baa a gs ales H 
road, br : pink-wing, pw airy, 
buff, w GROUP II purple, pr Intensifier-Bd 
cherry, w® abrupt purploid, pd Intensifier-s 
cleft, cf amethyst reduced, rd 1 eee 
club, cl antlered, vg roof kidney, k 
crooked, fw apterous, ap safranin, sf lethals (9) 
crossv’less, cv arc, a scraggly, rd* mahogany 
cut, ct aristaless, al Ski-1, Si maroon, ma 
cut®, ct? balloon, ba sienna, pr? Minute, M 
cut®, cté black, b Snub, T* Minute-di1r 
depressed blistered, bs square, T*4 Minute-f 
double brown, bw speck, sp Minute-g 
dusky, dy chubby Star, olive-111 
dusky?, dy? cinnabar, cn strap, vge Pale-111, Prir 
echinus, ec Confluent, Cf. straw, sw peach, pp 
écru, we’? Cream-11 Streak, Sk pink, p 
eosin, w? cream—b telegraph, tg Pointed-wing 
facet, fa cream-c telescope, ts Roof-c 
forked, f Ci translucent, tl rotated—abd. 
furrowed, fw Cur trefoil, tf rough, ro 
fused, fu Cus Truncate, T roughoid, ru 
garnet, g Curly, Cy vortex, T? safranin—b 
garnet”, g? curved, ¢ yellowish scarlet, st 
ivory, w* dachs, d “S sepia, se 
lemon Dachs-def’y GROUP III ski-111, si 
lethals (50) dachsoid ascute, as smudge 
lozenge, lz dachsous band, bn sooty, e° 
lozenge”, 12? dash Beaded, Bd Spineless, ss 
miniature, m Detached benign-tumor spread, sd 
Notch, N (18) expanded, ex bithorax, bx tilt, tt 
prune, pn flipper, fp ° bithorax—b tumor, tu 
roughish, rh fringed, fr cardinal, ed Two-bristles 
ruby, rb gap-vein claret, ca varnished, vr 
ruby’, rb? Gull, cream -tIt vortex-In1 
rudimentary, r humpy, hy compressed warped, wp 
rud’y’, x7 jaunty, j curled, cu white-ocelli, wo 
sable, s lethals ‘&) Curt with 
Sable-dup. Lobe, L Cin, 1 
scute, sc Lobe 2, L? Cup GROUP IV 
short, br? Minute-b Deformed, Df bent, bt 
singed, sn Minute-diz Delta, A bent 2, bt 2 
small-eye, sy Minute-e Dichxte, D eyeless, ey 
small-w’g, sl morula, mr dilute eyeless 2, ey ? 
spot, y® narrow, nw divergent, dv 
shaven, sv 
