NATURE-STUDY WITH INSECTS 



The life story of an insect. Eggs — where placed — cater- 

 pillars, grubs, nymphs, naiads. The part they play in the 

 life history. The adult or winged forms. Uses of wings. 



How insects breathe, eat, grow and molt. 



How insects escape from or repel their enemies — : protec- 

 tive colors, warning colors, imitative form and color, stings, 

 bite, offensive excretions, rapid flight. 



Insect Homes — how insects meet the problem of winter. 

 Cocoons, galls, miners, leaf-rollers. 



Life history of Cecropia, Luna and himiming bird moth. 



Life history of woolly bear, black swallow tail, monarch. 



Life story of the cricket and grasshopper. 



Insects of the aquaritim: dragon-flies, caddis worms, 

 Mayflies, mosquito larvae. 



Aphids, and aphis lion. 



Life history of the potato beetle and ladybird. 



The solitary wasps: the mud dauber and jug builder. 



The leaf cutter bee — the little carpenter bee. 



The social insects: Yellow jackets, ants, bumblebees 

 and honeybees. The socialistic plan of their communities. 



How to make an ant nest and an observation hive. 



Economic Entomology and Nature-Study. Garden pests. 



Social welfare: mosquitoes, flies, tent-caterpillars, bag 

 worms, tussock moths. 



NATURE-STUDY WITH SPIDERS 



The chief characteristic of a spider is great skill as an 

 engineer and very great patience. Spiders are not dangerous. 



The difference between spiders and insects. 



The life history of a spider. 



How spider mothers care for their young. 



Spider silk — what is it and how used: for travel by 

 dropping and ballooning, for lining nests, for nests for eggs, 

 to enwrap and move prey, as snares. 



Cobwebs — funnel web — filmy dome. 



The making of an orb-web. 



Spiders that do not snare their prey; jumping spiders, 

 crab spiders, trap-door spiders. 



