C. B. Adams drawing of strata, north end of Mount Tom
Orra White Hitchcock chart of acephalophora class
Orra White Hitchcock drawing of anoplotherium commune
Orra White Hitchcock drawing of anthracite in greywacke slate, Newport, Rhode Island
Orra White Hitchcock drawing of Connecticut River valley
Orra White Hitchcock drawing of crust of the earth
Orra White Hitchcock drawing of diluvial elevations and depressions, Amherst, Massachusetts
Orra White Hitchcock drawing of five lines of fossil footprints
Orra White Hitchcock drawing of fourteen invertebrate organisms
Orra White Hitchcock drawing of geological trap
Orra White Hitchcock drawing of granite veins in a boulder, Westhampton, Massachusetts
Orra White Hitchcock drawing of granite veins in mica slate, Williamsburg, Massachusetts
Orra White Hitchcock drawing of hydra viridis
Orra White Hitchcock drawing of invertebrate fossils
Orra White Hitchcock drawing of junction of granite and limestone, Glen Tilt, Scotland
Orra White Hitchcock drawing of mastodon maximus skeleton
Orra White Hitchcock drawing of megatherium skeleton
Orra White Hitchcock drawing of nautilus shell
Orra White Hitchcock drawing of octopus
Orra White Hitchcock drawing of shift in stones, Convent of Serra San Bruno
Orra White Hitchcock drawing of strata near Valenciennes
Orra White Hitchcock drawing of strata, Gill, Massachusetts
Orra White Hitchcock drawing of strata, Tyrolese Alps
Orra White Hitchcock drawing of stratified deposits
Orra White Hitchcock drawing of trap dike in sandstone, East Haven
Orra White Hitchcock drawing of trap vein in clay slate, Seil, Scotland
Orra White Hitchcock drawing of vein of greenstone in clay slate, Charlestown, Massachusetts
Orra White Hitchcock drawing of veins of lava, Punto di Cuimento, Mount Etna, Italy
Orra White Hitchcock drawing of veins of lava, Somma, Mount Etna, Italy
Orra White Hitchcock drawing of voluta aethiopica
Orra White Hitchcock drawing of woolly mammoth skeleton