[ 8 °4 ] 
mihi fubortum, jam expiravit. SubtiliJJima cnim 
ills in lapidibusy vel corporibus etiam petrefattis> 
delineate arbufcuU nihil jam videntur dTe aliud, 
quam ipfa foliorum hujus vel illius plant#, poft putre- 
faffionem illorum adhuc rejidua, reticulay quae, poft 
reliquorum corruptionem, figuram fuam mafias ifti 
molliori, quae in duriorem fuccefiii temporis lapidem 
abiit, impreflam, delineatamque reliquerunt ita, ut 
ipfa non raro in lapideam fubftantiam commutata 
deprehendantur. Apud me faltem haec, ob fummam 
reticulorum iftorum, cum fubtiliflimis illis arbufculis, 
aflinitatem, dubitatione omni carent : forfan vero & 
aliis ifthaec non omni probabilitate deftitui vide- 
buntur. 
XII. An Account of an Earthquake at Scar- 
borough, on Dec. 29. 1737. communicated 
in a Letter from Maurice Johnfon, Efq^jun. 
Seer, of the Gentlemens Society at Spaiding, 
to C. Mortimer, M. 2 ). Seer. R. S. 
S I Ry Spaldingy Jan. 7. 1737-8. 
S INCE I laft did myfclf the Honour of writing 
to you, nothing, 1 think, worth communicating 
to you tor the Royal Society, in the philofophical 
Way, has occurred to us here, until laft Thurfdayy 
when the following Account of an Earthquake, which 
has very lately happened at Scarboroughy as Tent in a 
Letter from an Eye-witncfs, to a Gentleman here, 
was 
