Colour: Body with black annuli in 6-10 sets of three, separated by broad red interspaces, the middle annulus usually wider; snout yellow, the end usually black; back of head red.
Total length, 1,120 millimetres; tail 100.
Habitat: Tropical South America.
(22) E. lemniscatus.—Scales in 15 rows; 241-262 ventrals; 30-39 subcaudals.
Colour: Body with 11-14 sets of black annuli disposed in threes, separated by red interspaces; head yellow; end of snout and a band across the middle of the head black.
Total length, 1,000 millimetres; tail 80.
Habitat: Guianas, Brazil.
(23) E. filiformis.—Scales in 15 rows; 290-308 ventrals; 35-45 subcaudals.
Colour: Body with black annuli disposed in threes, with red interspaces; head yellow; end of snout black; a black band across the eyes.
Total length, 575 millimetres; tail 40.