xvi MAPS AND ILLUSTRATIONS 



PAGE 



Banyan Tree '..... 377 



Different Forms which Leaves Assume . . . . . . ' 379 



A Pine Forest 384 



A Sunflower Plant 386 



Eucalyptus Leaves . . . . , . . . . 387 



Flower showing Different Parts 387 



Pink Gentian 388 



Mint Flower 388 



Ear of Corn 339 



Yucca or Spanish Bayonet . . 392 



Scrub Oak Branch . . 393 



Mistletoe Growing on an Oak 397 



Globigerina 400 



Earthworm 401 



Butterfly on Alfalfa . . . . 402 



Beehives . . . 404 



A Human Skeleton . 405 



The Nervous System of Man . 406 



The Lungs 409 



A White Corpuscle Digesting a Germ . ' . . . . 411 



The Circulatory System . 412 



Cross Section of the Human Heart 413 



Cross Section of the Human Eye ....... 414 



Tloving Picture of a High Jump ........ 415 



Cross Section of the Human Ear . . . . . . . 418 



Proportions of Elements in Composition of Living Things . . 425 



A Date Palm .......... t 427 . 



A Bunch of Dates 428 



Sugar Cane Cutting . 429 



Banana Plants 430 



Coffee Plant 432 



Ancient Cooking Utensils ......... 434 



One Day's Balanced Ration for Five Persons 434 



Bread Mold ....'.-.... 435 



Yeast Plants 435 



Bread Making in Mexico 437 



Preparing Smoked Fish at Gloucester 440 



Sterilizing Catsup and Chili Sauce 441 



First Aid Kit ......... 442 



Milk Delivery in Belgium 445 



A Simple Pasteurizing Outfit 447 



A Well with Contaminated Water Supply . ..... 448 



Paper Drinking Cup 449 



