. Boys and girls in biology : or, Simple studies of the lower forms of life. Biology. 174 BOYS AND GIRLS IN BIOLOGY. men are again divided, as the lobster's, into body-pieces —somites. All insects have three pieces, or somites, in the breast, or thorax, but all do not have the same number of pieces (somites) in the abdomen. Some have eleven, others not so many. At the top of the butterfly's head you will see two great compound eyes (Figs. 141,142), all divided into six-sided squares ; each Fig. square, you know, is a separate eye, and some butterflies have more than thirty thousand in bo
. Boys and girls in biology : or, Simple studies of the lower forms of life. Biology. 174 BOYS AND GIRLS IN BIOLOGY. men are again divided, as the lobster's, into body-pieces —somites. All insects have three pieces, or somites, in the breast, or thorax, but all do not have the same number of pieces (somites) in the abdomen. Some have eleven, others not so many. At the top of the butterfly's head you will see two great compound eyes (Figs. 141,142), all divided into six-sided squares ; each Fig. square, you know, is a separate eye, and some butterflies have more than thirty thousand in both eyes! These compound eyes are not set on stalks, as the lobster's. Next we come to the butterfly's curious Two horny scales at the sides of the mouth are all that are left of the lobster's large mandibles or the caterpillar's jaws. Behind the mouth you will see something like the lobster's lip (labrum), a small scale with two long palps (Fig. 142). We find the mouth itself all coiled up un-. 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 Stevenson, Sarah Hackett, 1843-1909; Huxley, Thomas Henry, 1825-1895. New York : D. Appleton and company
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbiology, bookyear1875
