contents. 
LXX. An Account of Aphyllon and Dentaria hcpta- 
phyllos o/'Clultus, omitted by Mr. Ray, By Mr. 
Wiiiiam Watfon, F. R. S. p. 428. 
LXXI. An Account of a Machine for 'killing of 
Whales, propofd by John Bond, M. D. p. 4.29. 
LXXII. An Engine for raifing W ater by Fire ; being 
an Improvement of SaveryV ConftruGlion, to ren- 
der it capable of working itfelf invented by Mr. 
De Moura of Portugal, F. R. S. defer ibed by Mr,. 
J, Smcaton, p. 43 6 . 
LXXII I. A Letter from Dr. Parfons, F. R. S. to. 
Air. Peter Collinfon, F. R. S. concerning the 
Shells of Crabs, p. *439. 
LXXIV. Spherical Trigonometry reduced to Plane,. 
By Francis Blake, Efq F. R S. p.441* 
LXXV. An Account of a Manufcript Treat ife , pre- 
fented to the Royal Society, intituled, Traite du 
corail, contcnant Jcs nouvelles dccouvertes qifon 
a fait fur lc corail, les pores, madrepores, fcharras, 
litophitons, eponges,. ct autres corps ct produc- 
tions, que la i.ncr fournit, pour fervir a Phiftoire 
naturelle de la mer,* that is to fay, A Treat ife 
upon Coral, and fever a l other e Produ£Hons. fur- 
nijh'd by the Sea, in order to ilhiftrate the natural 
Htftory thereof By the Sieur de Pcyfl’onel, M. D. 
Correspondent of the Royal Acad, of Sciences of 
Paris, of that of Montpelier, and of that ^/’Belles 
Lcttres at Marseilles ; Fhyfcian- Botanif appointed 
by his rnofl Chrijlian Majejly in the I (land ^/’Gua- 
dalupe, and heretofore jint by the King to tie 
Goafs of Barbary for D if cover ies in Natural 
Hi (lory . Ex trailed and trail fated from the 
French by Mr. William Watfon, E. R. S. 
P-44* 
LX XVI. 
