100 pages matching Proceedings of the Delaware County Institute of Science in this book
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accent Adjourned meeting Albert animal appear arthropod B. M. Underhill bacteria Barker exhibited become body branch bridge C. M. Broomall Carnivora carried cells Chalkley Palmer Charles Potts Chester creek cicada coleoderm color committee compound eye cones cornea Crum creek curve Darby Delaware County Delaware County Institute Delaware River diatom Edgar Ogden eggs English fact factory feet Fishes flood flowers frog frustule Henry horse inches Indian insects Institute of Science interest keel language Latin latus rectum living Longport Media microscope mill minutes motion Navicula nearly noun o'clock observed ommatidium organs parabola parasitic phonetic pigment present President probably PROCEEDINGS pronunciation protoplasm rabies rain raphe Regular monthly meeting reported rhabdome Ridley creek Sanford Omensetter Section seen side sound species specimens stone stream superelevation surface Surirella swept syllable tion trees Trimble Pratt verb vowel words