Venoms; venomous animals and antivenomous serum-therapeutics . scales in 27—30 rows ; 123—151ventrals ; 18—23 subcaudals. Colour yellowish-brown, beautifully marked with 6 or 7 longi-tudinal series of alternating, elongate, dark brown, black- and white-edged spots, separated by narrow interspaces of the ground-colour;a pair of diverging dark bands on the top of the head, separatedby a narrow pinkish-white streak; belly pinkish or yellowish,spotted with dark brown. Total length, 600 millimetres ; tail 60. Habitat : Tableland of Mexico. (10) C. lepidus.—12 supralabials; scales in 21 or 23 rows,
Venoms; venomous animals and antivenomous serum-therapeutics . scales in 27—30 rows ; 123—151ventrals ; 18—23 subcaudals. Colour yellowish-brown, beautifully marked with 6 or 7 longi-tudinal series of alternating, elongate, dark brown, black- and white-edged spots, separated by narrow interspaces of the ground-colour;a pair of diverging dark bands on the top of the head, separatedby a narrow pinkish-white streak; belly pinkish or yellowish,spotted with dark brown. Total length, 600 millimetres ; tail 60. Habitat : Tableland of Mexico. (10) C. lepidus.—12 supralabials; scales in 21 or 23 rows, dorsalsstrongly keeled ; 153—169 ventrals ; 24—31 subcaudals. Colour brown or greenish-grey, with dark brown or jet-blacklight-edged cross-bands, narrowing on the sides; two dark spots,or a V- or heart-shaped black marking on the nape ; belly dirtywhite, spotted with brown. Total length, 350 millimetres ; tail 60. Habitat: Western Texas, New Mexico, Arizona, North Mexico. (11) C. cerastes (Horned Rattle-Snake; fig. 76).—Supraocular9 130 VENOMS. Fig. 7G.—-Crotahis cerastes (Horned Rattle-Snake.)(After Baird and Stejneger.) THE PRINCIPAL SPECIES OF POISONOUS SNAKES 131 transformed into a raised horn-like process; 11—13 supralabials ;scales in 21 or 28 rows; dorsals feebl} keeled, each scale along themiddle of the back with a central tubercular swelling ; 14(5 ventrals;17 subcaudals. Colour yellowish, with a dorsal series of rather indistinct brownblotches ; a narrow brown streak from the eye to the angle of themouth. Total length, 250 millimetres ; tail 20. Habitat: Desert regions of Southern California, Nevada,Arizona, and Utah. F.—HYDEOPHIIN.^ (SEA-SNAKES). The Sea-Snakes, which are found in great numbers on theshores of the Indian Ocean, are common throughout the wholeof the tropical zone of the China Sea and the Pacific. They aremet w^ith from the Persian Gulf to the west coast of EquatorialAmerica, but are entirely absent from the east coast of the sameco
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Keywords: ., bookcentury1900, bookdecade1900, booksubject, booksubjectserpents
