American Journal of Science and Arts, Bindi 41

acid action Agassiz Alumina American Anglo-Sax animal appears Association barometer battery body bowlders carapace carbonate character circuit Closterium coal coil color conductor containing copper current electricity deposits described direction effect electricity elevation Euastrum exhibited exist experiments extended facts feet fishes formation fossil galvanometer genera genus geological geologists glaciers helix Hessian fly hundred inches induction infusoria insect intensity interesting iolite iron isoclinal lines labors length lime limestone magnesia magnetic mass matter means metal miles mineral mountains nature nearly needle noticed observations Old Germ paper particles phenomena Pirena plants plate portion present primary current probably produced Prof pupa quantity remarkable river rocks sand secondary current shells shock side siliceous Silliman Silurian species specimens strata sulphuret sulphuric acid supposed surface tertiary tion tornado vegetable views West Point Yale College