INDEX. 
Longitude , difference of it between Paris and London not 
yet fufficiently afcertained, p. 607, 609, 610. — what be- 
twixt Greenwich and the Cape of Good Hope, p. 612. 
Luke , A 61 XVIII. 3. explained, p. 12 6 . 
Lulofs , John, his obfervations at Leyden on the t ran fit of 
Venus, p. 255.— on the folar and lunar eclipfes in the 
year 1762, p. 651. 
J.yfons, Dr. his defcription of the Cepphus, p. 135.— his 
account of Dr. James Bradley, p. 635. 
m. ; ■ 
Mackenzie , Murdock , his account of fome natural pro- 
dudtions in Scotland refembling the Giants Caufeway 
in Ireland, p. 103. 
Mackinlay , Mr. Robert , concerning the eruption ot Ve- 
fuvius, and the difcovery of an ancient ftatue of \ e- 
nus, p. 44. 
Madeira , an account of an earthquake there, A. D. 1761. 
p. 155. 
Madrafs , thetranfit of Venus obferved there, p. 39 ^* 
Malleus , fee Ear. . 
Majkelyne , Mr. iVmV, his theorem of the aberration of die 
rays of 1 j crht refradted through a lens on account of the im- 
perfedtion of the fpherical figure, p. 17.— obfervations 
recommended to be made by him in concert with A.bbe 
De la Caille, p. 21, 22— fome further obfervations re- 
commended by him to the Abbe, p. 26,—his obferva- 
tions on the tranfit of Venus, in the ifland of St. Hele- 
na, p. 196—011 the diftance of the Moon from the Sun 
and fixed ftars, in a voyage to St. Helena, p. 55b. on 
the tides there, p. 592. 
Marine Production, a remarkable one, p. 554.. 
Mafon , Mr. Abraham , his account of an extraordinary agi- 
tation of the fea at Barbadoes, p. 477- . 
Mafon , Mr. Charles , his obfervations made at the Cape ot 
Good Hope, p. 378.-00 the tranfit ot Venus, p. 383. — 
latitude of the obfervatory at the Cape of Good Hope 
reduced by him from the obfervations of different fixed 
p a r S , p . 395.— his obfervations for proving the going 
of Mr. Ellicot’s clock at St. Helena, p. 534- 
