Mrs. Walter E. Garrey 



39 Orchard Avenue 

 Waban, Massachusetts 



USEFUL INFORMATION FOR THE CONCHOLOGIST 



> = 12 lines 



I inch (English) 



I pouce (French) 



I pollex (Latin) 



I ZoU (German) 



I Ligne (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 mm. 



I fathom = 6 feet 



I meter = 39.37 inches 



I nautical mile = 6,080 feet 



I statute mile = 5,280 feet 



degree latitude = 60 nautical miles or 



about 69 statute miles 



Temperature conversion (Fahrenheit-Centi- 

 grade) 



Q = male 



V = female 



Q = hermaphrodi 



¥ = ^c-{-r. 



C = ^(F-32) 



