Genre Science / Periodicals / Science / Societies, etc . Names mexico / american / la / fin / life and 6793 more

Genre Entomology / Periodicals . Names thorax / type / apex / american / eye and 14159 more

Genre Insects / Periodicals . Names thorax / tipula / american / insects / america and 6325 more

Genre n-us--- / Agriculture / Periodicals / Agriculture / United States and 1 more . Names soil / wheat / plants / grass / fruit and 7875 more

Genre Insects / Periodicals . Names mus / type / lepidoptera / insects / california and 3337 more

Genre n-us-pa / Philadelphia (Pa.) / Learned institutions and societies / Science / Periodicals . Names american / axis / major / rock / order and 10721 more

Genre Forests and forestry / Pennsylvania / Periodicals / Forests and forestry / Societies, etc and 4 more . Names leaves / wood / areas / area / called and 4647 more

Genre Entomology / Periodicals . Names thorax / apex / american / sp / basal and 41189 more

By Tryon, George W. (George Washington), 1838-1888 . Genre Mollusks / Periodicals . Names american / mollusca / animal / type / island and 6583 more

Genre Insects / Periodicals . Names insects / type / lepidoptera / american / island and 2803 more