Proceedings of the American Academy of Arts and Sciences, Volume 4

4to pamph 8vo pamph Acad Academy accent acuminatis acutis albo amentis America anguste animals apice apothecia Arctic ASA GRAY Astronomical basi Berk Bobea Bonin Islands Boston brevi brevibus Burlington limestone calycis capsula carboniferous character chromic acid chromium Class comet corolla Corresponding Secretary read Curt demum drupa Feejee Islands fere flora folia foliis forma genus Geol glaberrima glabra Greek Greek language Hall Hedyotis Herb Hook intus Iowa Japan Kaskaskia laciniis lamellis lanceolatis Lich Lichen Lichenogr linearibus lobis Loo Choo margine meeting MYCENA natural Nicaragua North oblongis observations Observatory obtusis oriundo Owen and Shumard Palæont Parmelia pedicellatis pedunculis peroxide petiolatis pileo plants present President Professor Agassiz Professor Gray pyrenis ramis remarkable Royal sæpius Sciences sesquioxide Silurian Society solution species specimens spores sporis stigmatibus stipite stipulis Subcarboniferous subtus Survey tenui thallo tion tubo Tuckerm utrinque Wien Wright York καὶ