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"Much of the tortoise-shell of commerce comes from the Green Turtle, but by far the finest is produced by the Hawk's-Bill Turtle."

Hawk's-Bill Turtle

"Much of the tortoise-shell of commerce comes from the Green Turtle, but by far the finest is produced…

"It attains a length of six to eight feet and a breadth of about one fifth of the length; it sometimes reaches the weight of 1,400 to 1,600 pounds."

Leatherback Turtle

"It attains a length of six to eight feet and a breadth of about one fifth of the length; it sometimes…

"Its length is about 4 feet; it weighs from 300 to 400 pounds."

Loggerhead Turtle

"Its length is about 4 feet; it weighs from 300 to 400 pounds."