90 BULLETIN 754, U. S. DEPARTMENT OF AGRICULTURE. 
Table XLI shows the expected result of self-fertilizing the 16 
classes of zygotes in Table XL. When horny and waxy seeds are 
both present on a self-pollinated ear the expected proportion 1s 
always 3 horny seeds to 1 waxy, within the range of chance fluctua- 
tion. 
TABLE XLI.—Hxpectation of seed classes resulting from the self-fertilization of 
the zygotes enumerated in Table XL. 
Circle. Class of seeds. Circle. Class of seeds. 
INOS Tose ose cesses All colored. horny. Nos. 8 and 14.....- 3 colored to 1 white, all waxy. 
Nos. 2and 5....... All colored, horny, and waxy. Coa Se aS 9 colored to 7 white, "all horny. 
Nos. 3 and 9.....-. 3 colored to 1 white, all horny. Nos. 12 and 15-....| 9 oes to7 white, horny, and 
Nos. 4, 7,10, and 13.| 3 colored, 1 white, horny and 
axy. No. 16...........-- 9 lewd to 7 white, all waxy. 
INONGSoss ice ese outs All colored, waxy. 
The following list shows the circles that would have four classes 
of seeds when self-pollinated, together with the degree of correla- 
tion expected : 
Circles Nos. 4 and 7, no correlation. 
Circle No. 10, correlation, colored and waxy, 0.744. 
Circle No. 12, correlation, colored and waxy, 0.380. 
Circle No. 13, correlation, colored and horny, 0.766. 
Circle No. 15, correlation, colored and horny, 0.570. 
The proportions in which the different degrees of correlation are 
expected are as follows: 
INOH GORE A ETO Te gee RS NLA sR a IK eT a LOS MOL 4 ears. 
Correlation between colored and horny, 0.766___ = 3 ears. 
Correlation between colored and horny, 0.570_______-______ 3 ears. 
Correlation between colored and waxy, 0.744_____________ 1 ear. 
Correlation between colored and waxy, 0.380_-_-_________ 1 ear. 
Table XLII shows the expected results of crossing colored horny 
with colored waxy plants when the ears obtained exhibit four classes 
of seeds, the expectation being that these ears are to have horny and 
waxy seeds in equal numbers. 
horny with colored waxy maize plants whose ears exhibit fowr classes of 
seeds. 
Circle. Color. Texture. Correlation. 
Number 4 & 8.......... 3 colored, 1 white............ Horny and Ee None. 
Number 7 X 8......-...|-..-. C6 (0 a a AES NS CRA a Ose ue er Do. 
Number 12 x 8.......--|..... a Lo eS A a TS Ie CO Ko Ae Do. 
Number 15 X 8........-]..... CO) Se eres Walceze, ea rah mmr DESDE f Dore ae ate Do. 
Number 10 X 14...-....)..... CAO) Span pa yi US aes iy at does Colored and waxy. 0.615. 
Number 12 x 14.........}..... (0 (0) ae GES RE Re iprerIa ea LNB eA NONATD Gow eree eee Do. 
Number 13 X 14.......-]...-. (6 Ca eee a pei SRS Nate bi TA do..........-..| Colored and horny, 0.615. 
Number 15 X 14. ....-_.-}..2.. (0 (oa SR NS Rc eS doe Do. 
Number 4 X 16....-.-..|...-. OE Se Ee certian do.......-..-..| None. 
Number7 X 16........-}..... C0 1p ae em eT OS MRE REIL Gores joene se 
Number 10 K 16........|....- CO eee ee Mente 2 Mili EME Ri do ee Colored and waxy, 0.615. 
Number 12 X 16.......- 9 colored, 7 white............|...-. do.......-..-.-| Colored and waxy, 0.270. 
Number 13 X 16.......- 3 colored, IAT Ene Eeeal ocee do........-..--| Colored and horny, 0.615. 
Number 15 X 16........ 9 colored, CNHIG CSO oe Re do..........-.-| Colored and horny, 0.270. 
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