or Snake, in zoology, a genus belonging to the order of amphibia serpentes. The characters of the anguis are these: They are squamous or scaly in the belly and under the tail. There are 16 species of the anguis; viz. 1. The quadrupes: The body of this species is cylindrical, with 14 or 15 longitudinal ash-coloured streaks; the teeth are extremely small; it has no ears; the feet are at a great distance from each other, very short, with five toes and small nails; but the toes are so minute that they can hardly be numbered. It is a native of Java. 2. The bipes, is a native of the Indies; it has 100 scuta on the belly, and 60 on the tail; the scuta are succedanea for feet, ranged on both sides; it has two short feet, with two toes, near the anus. In every scale of the bipes there is a brown point. 3. The melsagris, is likewise a native of the Indies, and has 165 scuta on the belly, and 32 on the tail: It has small teeth, but no ears. This species has a great resemblance to the former. See Plate XXII., fig. 1.

4. The colubrina, is an inhabitant of Egypt, has 180 scuta on the belly, and 18 on the tail; it is beautifully variegated with pale and yellowish colours. 5. The jaculus, a native of Egypt, has 186 scuta on the belly, and 23 on the tail; the scales on the belly are broad. 6. The maculata, a native of America, has 200 scuta on the belly, and 12 on the tail; it is yellow, and interfered with ash-coloured lines on the back: The head is small in proportion to the body. See Plate XXII., fig. 2. 7. The reticulata, a native of America, has 177 scuta on the belly, and 37 on the tail; the colour of the scales is brownish, with a white margin. 8. The cerastes, with 200 scuta on the belly, and 15 on the tail, is a native of Egypt. 9. The lumbricalis, a native of America, has 230 scuta on the belly, and 7 on the tail; its colour is a yellowish white. 10. The ventralis, a native of Carolina, has 127 scuta on the belly, and 222 on the tail. 11. The platura; the head is oblong and without teeth; the body is about a foot and a half long, black above and white below; the tail is about one ninth of the length of the animal, much compressed or flatted, and variegated with black and white; the scales are roundish, small, not imbricated, but they cannot be numbered. 12. The laticauda, a native of Surinam, has 200 scuta on the belly, and 50 on the tail; the tail is compressed, acute, pale, with brownish belts. 13. The scytale, a native of the Indies, with 240 scuta on the belly, and 13 on the tail. The head is small and oval, and the eyes are little; the body is cylindrical, about a foot and a half long, covered with oval ob- tuse scales: The tail is thick and obtuse like the head; its colour is white, interspersed with brownish rings; the margins of the scales are of an iron-colour; and the top of the head is blue. See Plate XXII. fig. 3. 14. The eryx, a native of Britain and likewise of America, has 126 scuta on the belly, and 136 on the tail. It is of an ash-colour above, with three black lines interspersed, and blueish below: It is about a span in length, and about the thickness of a man's finger. 15. The fragilis, a native of Europe, has 135 scuta on the belly, and 135 on the tail. 16. The ventralis, a native of Carolina, has 127 scuta on the belly, and 223 on the tail. It is of a greenish ash-colour, and its tail is about thrice as long as its body. According to Linnaeus, none of this genus are poisonous.