TABLE 5 



The extremities; average absolute weight, average percentage of net body-weight and 



range indicated 



DESCRIPTION OF R \TS 



a. Fore-limhis 



Normal at 3 weeks (Jackson and Lowrey) ! . . . 



Controls at 3 weeks 



Body-weight constant 3 weeks (age of 3 to 6 weeks) 

 Body-weight constant 5 weeks (age of 3 to 8 weeks) 

 Body-weight constant 7 weeks (age of 3 to 10 weeks) 

 Body-weight constant 10 weeks(age of 3 to 13 weeks) 

 Body-weight constant 13 weeks (age of 3 to 16 weeks) 



Normal at 6 weeks (Jackson and Lowrey) 



Controls at 6 weeks 



Controls at 10 weeks 



Normal at 10 weeks (Jackson and Lowrey) 



6. Hind-limbs 



Normal at 3 weeks (Jackson and Lowrej) 



Controls at 3 weeks 



Body-weight constant 8 weeks (age of 3 to 6 weeks) 

 Body-weight constant 5 weeks (age of 3 to 8 weeks) 

 Body-weight constant 7 weeks (age of 3 to 10 weeks) 

 Body-weight constant 10 weeks (age of 3 to 13 weeks) 

 Body-weight constant 13 weeks (age of 3 to 16 weeks) 



Normal at 6 weeks (Jackson and Lowrey) 



Controls at 6 weeks 



Controls at 10 weeks 



Normal at 10 weeks (Jackson and Lowrey) 



25.5 

 23.8 

 23.1 

 24.6 

 22.3 

 25.5 

 26.0 

 79.2 

 42.3 

 127.9 

 141 9 



23.8 

 23.1 

 24.6 

 22.3 

 25.5 

 26.0 

 79.2 

 42.3 

 127 9 

 141 9 



ABSOLUTE WEIGHT 

 (and RANGE): GRAMS 



2 ''C 



(2.00-2.51) 

 (1.50-1.90) 



1.68 



1.70 



1.84 (1.60-2.20) 



1.80 



1.80 



5 30 



3.00 



8,90 (7.20-10.60) 



7.60 



3.80 

 3.75 

 2.97 

 3.40 

 3.38 

 3.20 

 3.20 

 11.80 

 5.60 

 19.90 

 22,10 



(3.20-4.13) 

 (2.55-3.60) 



(3.00-3.80) 



RELATIVE WEIGHT 



(AND range) 



PER CENT 



TABLE 6 



The integument; average absolute iveighi, average percentage of net body-weight and 



range indicated 



DESCRIPTION OF HATS 



Normal integument at 3 weeks (Jackson and 



Lowrey) 



Controls at 3 weeks 



Body-weight constant 3 weeks (age of 3 to 6weeks) 

 Body-weight constant 5 weeks (age of 3 to 8 weeks 

 Body- weight constant 7 weeks (age of 3 to 10 weeks) 

 Body-weight constant 10 weeks (age of 3 to 13 weeks) 

 Body-weight constant 13 weeks (ageof3to 16weeks) 



Normal at 6 weeks (Jackson and Lowrey) 



Controls at 6 weeks 



Body-weight constant 26 weeks (age of 6 to 32 weeks 



Normal at 10 weeks (Jackson and Lowrey) 



Controls at 10 weeks 



Bodyweight constant 25 weeks (age of 10 to 35 weeks) 

 Controls at 32 and 35 weeks 



ABSOLUTE WEIGHT 

 (AND range) : GRAMS 



5.55 

 5.59 

 2.81 



2.78 



3.41 



3.50 



3.30 

 13.46 



8.04 



6.15 

 24.50 



26.70 (19.40-32.10) 

 14,00 (12.30-17.20) 

 38.40 (28.10-55.20) 



(3.86- 6.36) 

 (2.21- 3.21) 

 (2.27- 3.30) 

 (2.63- 4.51) 



(8.00- 8.08) 

 (5.70- 6.60) 



relative weight 

 (and rangf.) 



PER CENT 



22.4 

 21.9 

 12.5 

 13.8 

 14.5 

 13.7 

 12.7 

 20 9 

 17.0 

 13.0 

 18.7 

 20 

 17.9 

 20.1 



(^8.7 -29.2) 

 (18.4 -25.2) 

 ( 9.82-14.1) 

 (12.6 -15.5) 

 (12.3 -17.5) 



(16.7 -25.9) 

 (15.1 -19.0) 

 (12.9 -13.1) 

 (15.6 -22.3) 

 (17.8 -22.0) 

 (16.6 -20.1) 

 (18.0 -23.2) 



IIG 



