An account of some very considerable observations made at Ballasore in India, serving to find the longitude of that place, and rectifying very great errours in some famous modern geographers; communicated by Mr. Edmund Hally, Fellow of the Royal Society.

Anno 1680. October 28, stilo veteri, the moon applied to the bulls eye; which star was observed to be eclipsed at Greenwich by Mr. Flamstead, and at London in Basinghall-Street, by Mr. Haines, and my self;

An account of a very strange case in Physick, together with the description of a monstrous animal cast out of the stomach by vomit, and a discourse thereupon, made by Dr. Lister of York, Fellow of the Royal Society, and communicated to the said Society at one of their meetings.

Sir, I send you (here enclosed) the true exact shape of a worm, which a man vomited up here the last week. I found it my self in the blood, which came up with it, having caused it to be washt for the more careful examination of it, much of the blood, being clods of a kind of skinny and fleshy substance,

An account of another small treatise, written in the High-Dutch and printed at Bazil, Anno 1681. Containing a new theory about the comets, invented by James Bernoully, the title whereof is thus expressed: A new introduction, shewing how the motions of comets may be reduced to some certain and geometrical rules, so that their appearance may be predicted.

Before he cometh to explain his Theory, he thinks it very convenient to say something of the Original cause of Comets, of their course and motion, of their place and tail.

Ad has Literas D. M. Merfennus sequente 10. Decembris 1639. ita respondit Domino Autori.

Statim atque tuas literas perlegi (vir eruditissime) non folum totus fui tuus,

An account of several very curious discoveries about the internal texture of the flesh of muscles, of strange motions in the finns, and the manner of the production of the shells of oysters, &c. made by Mr. Anthony Leuwenhoek fellow of the Royal Society; sent in a letter to R. H. from Delft, and by him exhibited to the said Society.

Sir, I have heretofore in some of my letters assured you that ´twas alwayes my resolution that if at any time I should find by further trials that I had been mistaken in some former conceptions, I would not be ashamed to acknowledg it publickly.

Idea mathesews Joannis Pellii S. Th. D. perscripts ad S. H.

S. clarissime vir, Quae antehac partim coram, partim per literas de augmentis artium mathematicarum apud te executus sum, eorum summæ huc fere redit: