USEFUL INFORMATION FOR THE CONCHOLOGIST 





^ = 12 lines 



I inch (English) 



1 pouce (French) 



I pollcx (Latin) 



I Zoll (German) 



I Eigne (French) =2.25 mm. 



I line (English) = 2.11 mm. 



I linie (German) — 2.18 mm. 



3' 4" 6'" means 3 ft., 4 inches, 6 lines 



I inch = 25.37 "^n^' 



I fathom = 6 feet 

 I meter = 39-37 inches 

 I nautical mile = 6,080 feet 

 I statute mile = 5,280 feet 

 I degree latitude = 60 nautical miles or 

 about 69 statute miles 



Temperature conversion (Fahrenheit-Centi- 

 grade) 



Q = male 



V = female 



(j = hermaphrodite 



F = ^C+32 



C = ^(F-jO 



