TABLES. 



MEASURES OF WEIGHT. 



AVOIRDUPOISE WEIGHT. 



Used for all goods sold by weight, excepting 



gold, silver, and gems. 



cwts. qr. pounds ounces. drams. 

 1 ton. . . = 20 = SO = 2240 = 35,840 = 573,440 

 Icwt ....... = 4 = 112= 1792= 28,672 



1 quarter ............. 28= 448= 7168 



IrtOM ............... 14= 224= 3584 



1 pound ....................... 16= ^256 



1 ounce ................................. 16 



TROY WEIGHT. 



Used for weighing gold, silver, and precious 

 stone*. 



ounces, drams, temples, grains. 

 = 12 = 96 = 288 = 5700 

 = 8= 24= 480 

 = 3= CO 



1 pound 

 lounce 



1 drain 

 1 scruule 



APOTHECARIES' WEIGHT. 



Used in the preparation of drugs for medical 



use. 

 ounces, drams, scruples, grains. 



1 pound = 12 = 96 = 288 = 5760 



lounce = 8= 24= 480 



1 .Irani = 3= 60 



1 scruple 20 



The pound, ounce, and grain, are alike in 

 Troy and Apothecaries' Weight. 



LONG MEASURE. 

 Used for measurement of length only. 



furs. chns. phs. yards. feet. Inches. 

 1 mile =8=80=320 = 1760 =5280 =63,360 

 1 furlong =10= 40 = 220 = 660 = 7920 



1 chain 8= 22 = 66 = 792 



1 perch 5i= 16i= 198 



lyard 3 = 36 



1 foot 12 



1 league =3 miles. 

 1 fathom =2 yards. 

 1 haud. . =4 ins. (used in horse measurement). 



CLOTH MEASURE. 



quarter nails inches 

 1 yard .............. =4 =16 =36 



1 quarter .................. = 4 = 9 



liiail ............................ = 2J 



An ell=lj yards. 



A French ell=l J yards. 



SOLID MEASURE. 

 (Also called CUBIC MEASURE.) 

 1 cubic yard ....... = 27 cubic feet. 



1 cubic foot ........ = 1728 cubic inches. 



42 cubic feet=l ton, as a measurement of 

 the capacity of a ship for cargo. 



METRIC SYSTEM. 



These numbers are given to only two places of 

 decimals: the others can mostly be inferred 

 from these. 



MEASURES OF LENGTH. 



feet Inches 



Metre .............. =3'280 =39'370 



Decimeter 

 Centimetre ......... 



Millimetre .......... 



The Decametre.... 



The Hectometre. . . 



The Kilometre ---- 



The Myriametre. . . 



=0'328 = 3937 

 = 0'032 = 0'393 

 = 0'003 = 0'039 

 = nearly 11 yards. 

 = 1091 yards. 

 = nearly of a mile. 

 = nearly 6$ miles. 



MEASURES OF SURFACE. 

 The Are =100 sq. metres=4 so. poles nearly. 

 The Hectare=10'000 =2fr acres 

 The Centiare=l =101 sq. feet 



MEASURES OF CAPACITY. 

 The Litre ........ = 1J pints nearly. 



The Deca-litre.. .. = 2i gallons 



The Hecto-litre . . = 22 



The Myrio-htre . . =275 bushels nearly. 



MEASURES OF WEIGHT. 

 The Gramme. . . . =15 grains nearly. 

 The Decagramme= 1 of an ounce troy nearly. 

 TheHectogramme= 3i 

 The Kilogramme = 2j Ibs. avoirdupoise. 

 The Myriagramme= i cwt. nearly. 



NOMENCLATURE OF CLASSIFICATION. 



BOTANICAL. 

 All Plants being grouped as 

 THE VEGETABLE KINGDOM, 



This is divided into Classes. 



Each Class into Orders. 



Each Order into Families. 



Each Family into Genera. 



Each Genera into Species. 



Sub-divisions of Species are called Varieties. 



ZOOLOGICAL. 

 All Animals being grouped as 

 THE ANIMAL KINGDOM. 



This is divided into Divisions. 



Each Division being sub-divided into Classes. 

 Each Class ,, Orders. 



Each Order ,, Families. 



Each Family ,, ,, Genera. 



Each Genera ,, ,, Species. 



Sub-divisions of Species are called Varieties. 



Many other terms e.g., Sub-class, Sub-family, etc.; Tribe, Alliance, etc., are used in 

 the various systems of classification, in Biology. 



