158 LE. 
A letter concerning excrefcencies growing on Willow Leaves. &c. ——- ext. 
in * philof. transa&. Zngl. vol. 22. n. 269. p. 786. 
A letter concerning Spinders , their way of killing their prey , fpinning 
their webbs, generation, &c. —— exít. in * philof. transatt. Angl. vol. 
22, 5.-272. f. 8BO7. 
A letter concerning Greenweeds growing in Water, and fome Animal- 
cula found about them. — —— exít. in * pbilof. transa&. zngl. vol. 23. 
f$. 283. p. 1304. 
Obfervatrions on fome Animalcula in Water; the diffolution of Silver &c. 
—— exft. in * philof. transa&. Angl. vol. 23. n. 286. p. 1430. 
A Letter concerning Worms obferved in Sheeps-liversand pafture grounds. 
—— exít. in * pbilof. transa&. Angl. vol. 24. n. 289. p. 1522. 
A letter concerning the Figures of Sand. exít. in * philof. transact. 
4ngl. ool. 24. n. 289. p. 1537. cum fis. . 
A letter. concerning Cochineel, to which are added the obfervations 
about the making of Cochineel , according to the account of an old Span- 
jard of Jamaica, that had lived a great many years in thofe parts. — 
exít. in * philof. transa&k. Angl. vol. 24. n. 292. p. 1614. 
A letter concerning the flesh of Whales, Cryftalline Humour of the Eye 
of Whales, Fishes, and other Creatures, and of the ufe of the Eye- lids. 
—— ext. in * pbilof. transa&. Angl. vol.24. n. 293. p. 1723. 
A letter concerning fome l'oflils of Swifferland. exft. in * pbilof. trans- 
a&. Angl. vol. 94. n. 294. p. 1774. cum tab. Cornua Ammonis, Aftroi- 
tem €9 Tefferas Badenfes exbibente. 
A letter concerning Animalcula on the Roots of Duckweed. —— ext. in * 
philof. transact. Angl. ool. 24. n. 295. p. 1784: vol. 28. n. 337. p. 160. 
A letter concerning the Figures of Salts and Cryftal. —- extt. in * pbilof. 
transa&. Angl. vol. 24. n. 298. p. 1906. 
Microfcopical obfervations on the Pumice ftone, Coral, Spunges, &c. 
—— exft. in * philof. transacl. Angl. vol. 24. n. 304. f. 2158. cum fig. 
Aletter concerning the particles of Silver ditTolved in aqua fortis. —— exft. 
in * pbilof. transad. Zngl. vol. 25. n. S11. p.2425. cum fig. 
Microfcopical obfervations on red Coral. — exft. in * pbof. transad. ngl.. 
vol. 26. n. 316. p. 126. * 
Microfcopical obfervations on the particles of cryftalliz'd Sugar &c. and. - 
a manner of obferving the circulation of the blood in an Eel. —— exft. 
mnt phitof. transadb. Zngl. vol. 26. n. 323. p. 444. 1 
Micerofcopical obfervations upon configuration of Diamonds. —— exft. in 
* philof. transa&. Angl. vol. 26. n. 324. p. 479. 
Microfcopical obfervations upon the Cryftallized Particles of Silver, diffol- 
ved in aqua forüs. — exft. in *pbilof. transad. ZIngl. vol.27. n. 325. p. 20. 
Obfervarions upon the produ&tions of Mites. —— exl. in * philof. transad. 
4Ingl. wol. 27. n. 333. p. 398. 
Qn- 
