Zoologia. 



573 



De Polypis Scriptores Phyfici. 



John Fred. Gronov. 



Extract of a letter concerning a water infect, which being 

 cut into feveral pieces, becomes fo many perfect animals. 

 Philof. Transact. Y. 1742. p. 213. 



* * * 



Part of a letter from *** of Cambridge — occafioned by 

 what has lately been reported concerning the infect 

 mentioned in page 213 of Philof. Transact. Y. 1742. 

 Ibid. Y. 1742. p. 227. 

 Some papers lately read before the Royal Society, concer- 

 ning the fresh- water Polypus; viz. 

 Obfervations and experiments upon the Fresh- water Po- 

 lypus by M. Tremble?, and 

 An abftract of Mr. Reaumur's pre'face fur les polypes, 

 dans fes Memoires fur les Infectes Tome 6. p.XLlX. 

 Ibid. Y. 1742. p. XVII. 

 Martin Folkes. 



Some account of the infect called the fresh- water polypus* 

 Ibid. Y. 1743. p. 422. 



Charles Duke of Richmond, Lennox and Aubigne. 



Part of a letter -concerning fome further account of the 

 polypus, 

 Ibid. Y. 1743. p. 510. 

 Henry Baker. 



Some obfervations on a polype dried. 

 Ibid. Y. 1743. p. 616. 

 Abraham Trembley. 



Letter- concerning obfervations upon feveral newly difco- 

 vered fpecies of fresh- water polypi. 

 Ibid. Y. 1744- p. 169. 



Obfervations upon feveral fpecies of fmall water infects of 

 the polypus hind. 

 Ibid. Y. 1747. p. 627. 



