_, err = fmt.Fprint(targ, body)
				if err == nil {
					err = targ.Close()
				}
				if err != nil {
					if !test.readBody {
						// Server likely already hung up on us.
						// See larger comment below.
						t.Logf("On test %#v, acceptable error writing request body: %v", test, err)
						return
					}
					t.Errorf("On test %#v, error writing request body: %v", test, err)
				}
			}
		}()

shew'd above; but this bending is not towards but from the Shadow, and is perform'd only in the passage of the Ray by the Body, and at a very small distance from it. So soon as the Ray is past the Body, it goes right on. [Sidenote: _Mais pour dire comment cela se fait, je n'ay rien trove jusqu' ici qui me satisfasse._ C. H. de la lumiere, c. 5, p. 91.] To explain the unusual Refraction of Island Crystal by Pression or Motion propagated, has not hitherto been attempted (to my knowledge) except by _Huygens_,...