PERIODS OP PREGNANCY. ANALYSIS OF WHEAT, &C. 95 



THE PERIODS OF PREGNANCY IN DIFFERENT ANIMALS. 



Kinds of Animals. 



Mare 



Stallion 



Cow 



Bull 



Ewe 



Tup 



Sow 



Boar 



She-goat 



He-goat 



She-ass 



Male-ass 



She-buftalo 



Bitch 



Dog , 



Doe rabbit 



Buck rabbit 



Cock 



Turkey sitting on eggs of — 



Hen 



Duck 



Turkey 



Hen sitting on eggs of — 



Duck 



Hen 



Duck 



Goose 



Pigeon 



She-cat 



He-cat 



I Proper 

 time for 

 repro- 

 duction. 



Yrs. Mos. 



Period of 

 the power 

 of repro 

 duction. 



Years. 



10 to 12 



12 to 15 



10 



5 



6 



7 



6 



6 



6 



5 

 10 to 12 

 12 to 15 



8 to 9 

 8 to 9 

 5 to 6 

 5 to 6 

 5 to 6 



Number 



of 

 females 

 for one 

 male. 



5 to 6 

 9 to 10 



20 to 30 

 30 to 40 

 40 to 50 

 6 to 10 

 20 to 40 



5 to 6 



The most 

 favor- 

 able 

 season 



for copu 

 lation. 



Period of gestation and incu- 

 bation. 



May 

 July 



Nov. 

 March 



Nov. 



May 



Feb. 

 Nov. 



Shortest 

 period. 



Days. 

 322 



240 



146 



109 



1.50 



365 . 



281 

 55 



17 

 24 

 24 



Mean pe- 

 riod 



Days. 

 347 



■ 2S3 



154 



115 



156 



380 



308 

 60 



24 

 27 

 26 



30 



30 

 30 



18 

 50 



Longest 

 period. 



Days. 

 419 



321 



161 



143 



163 



391 



335 

 63 



28 

 30 

 30 



ANALYSIS OF WHEAT. 



The following Table exhibits the results of Fourcroy and VauqueUn's analysis of different kinds 

 of Wheat : 



FAT AND MUSCLE PRODUCED FROM AN ACRE. 



Substances. 



Field beans . 



Peas 



Oats 



Hay 



I'otatoe.s 



Carrots 



Turnips 



Wheat straw 

 Oat straw.. . 

 Barley straw 



