[ 612 ] 
169 5 Siliquaftrum flore purpureo. Caft. Durant. 4.15. 
Arbor Judas. Dod. 786. 
1696 Sifon foliis ternatis. Hort. Cliff. 99. FI. Virg. 
1 47 '. 
Myrrhis Canadenfs trilobata. Mor. Hift. p. 3. 
301. 
1 697 Spartium alterum monofpermum femine reni 
fimili. C. B. P. 396. 
1698 Tetragonia foliis linearibus. Flor. Leyd. 
Tetragonocarpos Africana fruticans, foliis 
longis et anguftis. Hort. Amft. 2. 205. 
1 699 Tetragonia foliis ovatis. Flor. Leyd. 
Tetragonocarpos Africana radice magna, craffa 
et carnofa. Hort. Amft. 202. 
1700 Tithymalus Orientalis, falicis folio, caule pur- 
pureo, flore magno. T. Cor. 2. 
XCI. Extract of a Letter from Dr . Vita- 
liano Donati, Profejfor of Botany at Tu- 
rin, to Air. Abraham Trembley, b\ R. S. 
concerning the Earthquakes jelt at Turin, 
December 9, 1755, a?id March 8, 1756. 
Tran fated from the Italian. 
Read April 29, 
1756. 
T 
S I R, Turin, March 20, 1756. 
HE caule of Earthquakes is un- 
known to me. You know thole 
mentioned by natural philofophers. It feems to me, 
that they are not fufficient for explaining all the 
phenomena. The antients have obferved, that 
earthquakes were accompanied with fome particular 
meteor. 
