LIMITS OF HEREDITARY CONTROL 869 
male array The mean of the female array will be seen closely 
to approximate that of the whole collection, while that of the 
males is several scutes higher. It is our impression that a larger 
collection of males would place the mean at about 559 or 560, 
which would indicate a slightly higher center of frequency for 
males than for females. Although the mode of the two sexes 
TABLE 3 
Showing distribution of frequency of scutes in the banded region of 146 females 
and 81 males 
FrMa.es (146 LNDIVIDUALS) Mates (81 INDIVIDUALS) 
Re ecorEs. FREQUENCY Read FREQUENCY | pleas ie eres | Se aneee Beane tee, 
cet =e s 3 
Bie sees 559 Bee le 520 1 567 1 
520 1 560 2 e527 1 568 3 
527 if 561 Gi) ess) 2: P5569 2 
528 2 562 2 | 585 rl SO 3 
532 1 563m |) 3) 540 1 (Ayana 3 
534 2 564 | «4 541 1 572 3 
539 2 565 5 542 1. ah oer! 1 
540 1 566 4 544 Tee Sry 2 
541 1 567 2 547 3 sj) 57g eee ee 
542 1 568 1 548 4. 4) 9 2580) 1 
543 3 569 2 550 2 587 1 
544 2 571 Bey |) 55 2 50 Pieued 
545 4 572 3 li 552 ee Wh 0K 3 
546 5 573 Ae 558 5 | 607 1 
FAR 1G) 574 3 554 1 621 1 
BAS) Ul cee 575 1 555, Ui) g ae | 
B50: sie oo 4 577 1 558), Via | 
551 4 578 3 J, 550s gy saat | 
552 4 581 2 | 560 1 
553 9 582 1 bi 561 ae | 
554 3 583 1) 0p ABG20) eVemie2 | 
555 6 585 1 56S) i Gale 
556 5 589 1 564 1 
557 5 590 1a aos 2 
558 6 596 ae sale 1 
| | 
Mean = 557.2 | Mean = 561.3 scutes 
Standard deviation=13.35 scutes Standard deviation = 17.71 scutes 
Coefficient of variation=2.39 per| Coefficient of variation = 3.15 per 
cent cent 
