CONTENTS. ix 
XXVII. Account of the Houfe- martin, or Martlet. 
In a Letter from the Rev. Gilbert White- to the Hon. 
' Daines Barrington. p. 196 
1 ^’ of a Regifer of the Barometer , 
Thermometer , and Rain , at Lyndon in Rutland, 
J 7 7 3 > h T Barker, Efj. Communicated by Sir 
John Pringle, Bart. P. R. S. p. 202 
XXIX. An Account of certain Receptacles of Air, in 
Birds, which communicate with the Lungs, and are 
lodged both among the fiejhy Parts and in the hollow 
Bones of thefe Animals. By John Hunter, F, R. S. 
13 2 O C* 
aXX. M. De Luc’s Rules, for the Meafurement of 
Heights by the Barometer, compared with Theory 
reduced to Engl)!]] Meafures of Length, • end 
adapted to Fahrenheit's Scale of the Thermometer ■ 
with Tables and Precepts, for expediting the prdffi- ■ 
cal Application of them. By the Rev. Samuel 
Horiley. LL.D. Sec.R.S. addrefed to Sir John 
Pnngle, Bart. P.R. £. o M p J ai i/. 
S.a\. A Catalogue of the Fifty Plants, from CheL 
’ tb G a rf»>-'P r ‘J'»ted to the Royal Society, by the 
yvorjhijful Company of Apothecaries, for the Tear 
If 73’ pur fu ant to the Direction of Sir Hans ■ 
Sloane, Bart. Med. Reg. et Sod Reg. nuper Pro;- ■ 
Jes. ByR illmra Curtis, darijf. Socle/. Pharmaceut. 
Loud. See. Lori. Chehean. Prefect, et PreeleShr ‘ 
Botan. ^ 
XXXll Obferwttch on the Gillaroo Trout, Palled in 
Ireland the Gizzard Trout. By John Hunter, 
XXXI! I, Explication of a meft remarkable MtmoPal m 
the Reverfe of a very antient Quinarius, never before 
k fublifed. 
?) 
