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Centipedes have from fifteen to twenty pair of legs.

Centipede

Centipedes have from fifteen to twenty pair of legs.

A circulatory and nervous system of Sphaerotherium obtusum, a South African millipede.

Diagram of Nerovous and Circulatory System of Sphaerotherium Obtusum Millipede

A circulatory and nervous system of Sphaerotherium obtusum, a South African millipede.

Millipedes have an indefinite number of legs.

Millipede

Millipedes have an indefinite number of legs.

A millipede.

Millipede

A millipede.

Millipedes are usually cylindrical. The origins of the legs are usually brought very close to the middle line of the body below. These insects feed on decaying vegetable tissue.

Millipede

Millipedes are usually cylindrical. The origins of the legs are usually brought very close to the middle…

"Spirostreptus Vittatus, an Oriental species of the Spirostreptoidea, lateral view, showing the repugnatorial pores of the sides of the segments." —Encyclopaedia Britannica, 1910

Side View of the Spirostreptus Vittatus Millipede

"Spirostreptus Vittatus, an Oriental species of the Spirostreptoidea, lateral view, showing the repugnatorial…