Astronomical Remarks of a New Star seen by Hevelius in Pectore Cygni, which he supposeth to be the same, which Kepler saw A. 1601. and continued until 1602. and was not seen again until 1662. and then almost always hiding it self till 24. Nov. 1666. That, seen by Kepler was of the third magnitude; this now, of the sixth or seventh. Q. Whether it changes place and magnitude, 19. [349].
The Scheme, 21. [372].
A New Star in Collo Ceti, observ'd from 1638, to 1664, 1665, 1666. with its vicissitudes and periods, and causes of change, open'd by Bullialdus, who conceives the bigger part of that round body to be obscure, and the whole to turn about its own Center, 21. [382].
Another New Star call'd Nebulosa in Cingulo Andromedæ, seen when the Comet appear'd 1665. observ'd by the said Bullialdus to appear and disappear by turns, ibid. [383].
A method for observing the Eclipses of the Moon, free from the common Inconveniences, by M. Rook, 22. [387].
B.
Baroscope. See Air and Artificial Instruments.
Blood. The new Operation of Transfusing blood into the veins, out of one Animal into another; with considerations upon it, 20. [353].
The first Rise of this Invention, 7. [208].
The Success, 19. [352].