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"Observations of the Nebula of Orion, made at Valletta, with the Twenty-foot Equatorial"
"Observations of the Nebula of Orion, made at Valletta, with a Twenty-foot Equatoreal"
"Observations of the New Star in Gemini Made at the Radcliffe Observatory, Oxford"
Observations of the Tides. Communicated to the Royal Society by the Admiralty and printed by Order of the President and Council
Observations of twenty-three variable stars
Observations on a Series of Electrical Experiments
Observations on Atmospheric Influence, chiefly in reference to the Climate and Diseases of Eastern Regions, in Five Parts
Observations on Certain Parts of the Animal Oeconomy
"Observations on Donati's Comet"
"Observations on Dr Wollaston's Statements Respecting an Improvement in the Form of Spectacle-Glasses"
"Observations on Dr Wollaston's Statements Respecting an Improvement in the Form of Spectacle Glasses"
"Observations on Lymphocytes in Chambers in the Rabbit's Ear"
Observations On Monsieur de Sorbier's Voyage Into England Written to Dr Wren, Professor of Astronomy in Oxford
Observations on Mr. Mudge's Application to Parliament for a Reward for his TIME-KEEPERS, which, agreeably to the Act of Parliament of 14th of George III. had been unanimously denied him by the Board of Longitude
Observations on Some Interesting Phenomena in Animal Physiology, exhibited by several species of Planariae, Illustrated by Coloured Plates of Living Animals
"Observations on some of the Nebulae"
"Observations on the Action of the Convulsant Thujone"
Observations on the Affinity between Basaltes and Granite Read before the Royal Society, Jan. 27, 1791
"Observations on the Anomalous Behaviour of Delicate Balances, and an Account of Devices for Increasing Accuracy in Weighings" : 6 entries
Observations on the Brumal Retreat of the Swallow; with a Copious Reference to Passages Relating to this Subject in Different Authors
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