_Habitat_: Tropical South America and Lesser Antilles (St. Thomas, St. Vincent, Martinique). (14) _E. hemprichii._--Scales in 15 rows; 168-181 ventrals; 22-29 subcaudals; 1 + 1 temporals. Colour: Black, with red or yellow annuli, a broad annulus between the narrow ones; occiput, upper lip, and temples yellow. Total length, 720 millimetres; tail 65. _Habitat_: Guianas, Colombia, Peru. (15) _E. tschudii._--Scales in 15 rows; 207-221 ventrals; 21-28 subcaudals. Colour: Body with black annuli broader than the interspaces, disposed in sets; interspaces red and yellow; snout and occiput black. [Illustration: FIG. 66.--_Elaps fulvius_ (The Harlequin Snake, or Coral Snake). (After L. Stejneger.)] Total length, 430 millimetres; tail 35. _Habitat_: Peru. (16) _E. dissoleucus._--Scales in 15 rows; 200 ventrals; 19 subcaudals. Coloration as in foregoing species. Total length, 1,070 millimetres; tail 35. _Habitat_: Venezuela. (17) _E. fulvius_ (Harlequin, or Coral Snake, fig. 66).--Scales in 15 rows; 180-237 ventrals; 30-59 subcaudals. Colour: Body with black, red, and yellow annuli; tail with black and yellow annuli; snout black. Total length, 990 millimetres; tail 85. _Habitat_: Eastern North America, from Southern Virginia, the Ohio River, and the Missouri to the Rio Grande, Mexico. Central America. (18) _E. psyches._--Scales in 15 rows; 188-214 ventrals; 32-47 subcaudals. Colour: Body with alternate black and brown annuli, and 48-52 narrow yellow rings; head black, blotched with yellow. Total length, 495 millimetres; tail 80. _Habitat_: Guianas. (19) _E. spixii._--Scales in 15 rows; 201-219 ventrals; 22-29 subcaudals. Colour red, with 20-38 black rings disposed in threes; a black occipital collar, followed by a wide red space. Total length, 1,400 millimetres; tail 70. _Habitat_: Venezuela and Northern Brazil. (20) _E. frontalis._--Scales in 15 rows; 197-230 ventrals; 15-26 subcaudals. Tail ending very obtusely. Colour: Body with black annuli disposed in threes, with red and yellow interspaces; head black, spotted with yellow or red. Total length, 1,350 millimetres; tail 70. _Habitat_: Southern Brazil, Uruguay, Paraguay, Argentina. (21) _E. marcgravii._--Scales in 15 rows; 210-240 ventrals; 23-42 subcaudals. 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.