. Nature study and life. Nature study. 460 NATURE STUDY AND LIFE two in length, on the tips of which the beadlike spore cases are plainly visible to the naked eye. We may next have the pupils substitute for the culture medium in their bottles various solid materials — bread, potatoes and other vegetables, meats, and a variety of dif- ferent fruits. Each pupil may provide a different mate- rial, and in this way the class will gain a notion of how omnivorous the moulds are. An experiment that must not be omitted consists in inoculating a number of different fruits with mould spores,. Fig. 190. D
. Nature study and life. Nature study. 460 NATURE STUDY AND LIFE two in length, on the tips of which the beadlike spore cases are plainly visible to the naked eye. We may next have the pupils substitute for the culture medium in their bottles various solid materials — bread, potatoes and other vegetables, meats, and a variety of dif- ferent fruits. Each pupil may provide a different mate- rial, and in this way the class will gain a notion of how omnivorous the moulds are. An experiment that must not be omitted consists in inoculating a number of different fruits with mould spores,. Fig. 190. Different Kinds of Mould (Z, milk mould; b^ blue mould; r, black mould; d^ white mould to observe the process of decay. Here again the children may take different fruits for variety's sake — some apples, some pears, others plums, peaches, grapes, each child taking different varieties so far as practicable. We will suppose that the pupils have each three fruits of the desired variety. Having cautioned them to secure per- fect specimens with stems attached and no breaks of the skin, let them each put one fruit aside, perfect; let them. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hodge, Clifton Fremont, 1859-. Boston and London, Ginn & Co.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatures, bookyear1902
