NATURAL HISTORY, TORONTO REGION
fish and frogs ; viviparous, and very prolific, some-times producing forty young at a time.
Grass Snake, Liopeltis vernalis, Jan. Fairly common, and well worth protecting, for its beauty, as well as for its usefulness. Feeds largely on cater-pillars.
Ring-necked Snake, Diadophis punctatus, Baird & Gir. Rather rare ; said to feed largely on insects.
Milk Snake, Ophibolus doliatus, Baird & Gir. Fairly common, especially on the west side of the city; feeds largely on field mice and voles, which it crushes to death between the folds of the body; in captivity they will sometimes eat smaller snakes that are kept with them, and they have a curious habit of vibrating the tip of the tail when they are excited, just as a rattlesnake does.
Hog-nosed Snake, or Blowing Adder, Heterodon platyrhin us, Latreille. Used to be fairly common at High Park, but is rarer now; feeds on frogs and toads, but seems to prefer the toads. When annoyed it hisses and spreads the skin of the head and neck in a very threatening way, but it is not at all venomous ; and, in captivity, soon becomes quite tame.
Snapping Turtle, Chelydra serpentine, Schw. A large and voracious reptile ; quite common at the Island. They are credited with the destruction of many young ducks and other waterfowl. In cap-