Agar. Agar or agar-agar is a gelatinous substance derived by boiling a polysaccharide in red algae, where it accumulates in the cell walls of agarophyte and serves as the primary structural support for the algae's cell walls.gar. Agar or agar-agar is a gelatinous substance derived by boiling a polysaccharide in red algae, where it accumulates in the cell walls of agarophyte and serves as the primary structural support for the algae's cell walls.
Photo by Lisa Powers. Description: Typical timber rattlesnakes measure anywhere from 36-58 inches (91-147 cm) in length with Klauber (1956) reporting the largest timber rattlesnake ever recorded to be 74  inches (189.23 cm) collected near New Orleans, LA in the 1940s. Timber rattlesnakes are the 2nd largest venomous snake found in the eastern United States.
Timber rattlers are the second largest venomous snake in Texas and third largest in the United States. Adult timber rattlesnakes reach a length of 36 to 40 inches (91 to 101 cm), and weigh 1.3 to 2 pounds (0.58 to 0.9 kg). They have a heavy, light yellow, gray or greenish-white body with a rust-colored strip along the length of their bac and a black tail is tipped with rattles.