Beginners' zoology . The walking stick (Fig. 121) and the cricket (Fig. 118), Hkemost members of the order, are vegetarian. Are grasshoppers more common in fields and meadows,or in wooded places? How many different colours have youseen on grasshoppers? WTiichcolours are most common? Grasshoppers are very scarce in Europe as they love dry,warm countries. Why do lo-custs migrate ? Give an in-stance in ancient times. How long do most grass-hoppers live ? Does a grass-hopper spread its wings beforeit flies ? Does it jump and flytogether ? Can it select theplace for alighting ?. Note to Teacher. —
Beginners' zoology . The walking stick (Fig. 121) and the cricket (Fig. 118), Hkemost members of the order, are vegetarian. Are grasshoppers more common in fields and meadows,or in wooded places? How many different colours have youseen on grasshoppers? WTiichcolours are most common? Grasshoppers are very scarce in Europe as they love dry,warm countries. Why do lo-custs migrate ? Give an in-stance in ancient times. How long do most grass-hoppers live ? Does a grass-hopper spread its wings beforeit flies ? Does it jump and flytogether ? Can it select theplace for alighting ?. Note to Teacher. — Field work inZoology should be systematic. Every trip Fl^. 121. - FOUR WALKING STICKhas a definite region and definite line of study in view, but every animal seen should be noted. The habitat, adapta-tion by structure and habits to the environment, relations to other animals,classification of animals seen, should be some of the ideas guiding the excursions may be divided somewhat as follows, according as opportunitiesoffer: Upland woods, lowland woods, upland pastures, fields, swamps, a fresh-water lake, a pond, lower sea beach, higher sea beach, sand hills along shore,roadside, garden, haunts of birds, insect visits to flowers, ground insects,insects in loss. 72 /^OOLOGY Collecting Insects.—In cities and towns insects, varyingwith the season, are attracted by electric lights. Beetlesand bugs will be found under the lights, moths on postsnear the lights, grasshoppers and crickets and other in-sects in the grass near by. A lamp placed by a
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1921
