Cite this: 1900. Birds and nature. v. 8 no. 1 June 1900, Chicago.Ill. : A.W. Mumford.Publisher.
Supplied Caption: Pineapple.
Tag(s): Math and Measurement, math, Counting, Number sequence, Liber Abaci, Leonardo Fibonacci, Fibonacci Sequence, Seashell, Golden Spiral, Infinite, Pineapple