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Bears The Eyes: Spiders have but two divisions to the body. The head and thorax are fused into one structure called the cephalothorax, which means head and thorax. The forward por¬tion of the cephalothorax bears the eyes, the mouthparts, and the pedipalps; the remainder bears the eight jointed legs. Trie cephalo¬thorax is joined to the abdomen by a stalklike pedicel, which means little foot, and bears no appendages.
The eyes of a spider are usually near the front or anterior end of the head, but some are directly on top. They are single facets, hence are called simple eyes. They may number two, four, six, or eight; eight is the usual number. However, the cave spiders lack eyes entirely. Regardless of the number, the eyes are always placed in a definite arrangement. Often some pairs are much larger than others.See Also Eyes ":A typical insect is characterized by three divisions to the body—the head, the thorax, and the abdo¬men. Attached to the thorax are six jointed legs, three on each side, and sometimes wings.
eyes ": The eyes ", when present, are placed somewhere upon the head and are of two types: simple eyes ", called ocelli, which are found in insect larvae and in many adults; and compound eyes ", which are found in adult insects and in the immature stages of types which resemble the adult during growth.
"Healthy human eyes " never saw any part of a scene out of focus,"10 and hinted that the Naturalists were indebted to him fot theii knowledge of composition. Emerson retorted, "I have yei to learn that any one statement or photograph of Mr H. P. Robinson has ever had the slightest effect upon m< except as a warning of what not to do."11 Many of Emer son's followers ignored his qualifying advice, and "sofi focus" photographs—derisively called "fuzzygraphs" bj some—began to appear in quantity.
On The Other Hand See Haunting Eyes:Alexander Rodchenko produced many photomontages reminiscent of the style of the Dadaists, but with a dyna¬mism wholly original: his photomontage illustrations to Pro Eta (1923), a book of poems by Vladimir Mayakov-ski, form a striking continuity, with repetition of the face and haunting eyes of the same woman, introduced in a wide variety of situations. El Lissitzky superimposed his own photographs for his self portrait, titled The Con¬structor (1927). It is, like few other photomontages, completely photographic in its double exposure of face and hand.
Eyes: Eyes, when present, are usually prominent on the head. When closed they protrude into the Roof of the mouth, but they may or may not have movable eyelids. There is no nictitating mem¬brane.
Ears: Salamanders have no ears, as such, but in some species the front legs, or the lower jaw, are adapted to transmit vibrations from the ground. |
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