. The natural history of the farm; a guide to the practical study of the sources of our living in wild nature. Natural history. 38 HISTORY OF FARM. limpet-shaped. Two of these are shown in Figure 19. In all of them flaring margins of the body fit down closely to the stone and deflect the water, so that it presses them against their support. â .â _ In still water the deep pools are the Fig. 19. Two Jr- f insect larvae that special homc of the larger fishes. We shall stick to stones in rapid water: a, the rctum to them m the next study. In the flat riffle-beetle i ⢠, â â , (Psefhenusiacontei)
. The natural history of the farm; a guide to the practical study of the sources of our living in wild nature. Natural history. 38 HISTORY OF FARM. limpet-shaped. Two of these are shown in Figure 19. In all of them flaring margins of the body fit down closely to the stone and deflect the water, so that it presses them against their support. â .â _ In still water the deep pools are the Fig. 19. Two Jr- f insect larvae that special homc of the larger fishes. We shall stick to stones in rapid water: a, the rctum to them m the next study. In the flat riffle-beetle i ⢠, â â , (Psefhenusiacontei) shoalcr parts and m the midst of the aquatic and 6, the net- . ^ veined midge (Bfe- vegctatiou are the lesser fishes and many other pharocera). familiar vertebrates, frogs and their tadpoles, salamanders, turtles, etc., of uncertain occurrence. Much more generally distributed and constantly present are a few molluscs and crustaceans, such as are shown in Figure 20. There are a few adult insects and many insects in im- mature stages (Figs. 21,22 and 23). Some help toward the recognition of these may be had from the table on pages 40 and 41, which contains brief hints, also, of the situation they occupy in the water and the role they play in the food consumption. There are leeches, and fresh water sponges and bryozoans and a host of lesser forms of many^groups, mostly too smalljto CPVST^C£'4^S. 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 Needham, James G. (James George), 1868-1956. Ithaca, N. Y. , The Comstock Publishing Company
Size: 1581px × 1581px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectnaturalhistory, booky
