XIX 
Contents of the Chapters. 
Chap. XVII. The Tipe Animal, p. 349 
Chap. XVIII. The Water Uog-Loufe, or Sow, 
35 r 
Chap. XIX. Of the Frejh-Water Squill#, 356 
Chap. XX. The brijiled InfeSi, 363 
Chap. XXI. An InfeSi with Fife-like Fins, 
3 6 4 
Chap. XXII. An InfeSi with Net-like Arms, 
366 
Chap. XXIII. Infe Sis found on the Bark of 
the Afl, 371 
Chap. XXIV. The Loufe of the Carp, 374 
Chap. XXV. The Loufe of the Banfickle or 
Trickle-back, 377 
Chap. XXVI. The long-fnouted Squilla, 378 
Chap. XXVII. A Letter from a Friend 
containing many curious Microfcopical Ob- 
fervations, 380 
Chap. XXVIII. OJ luminous Water InfeSis , 
399 
Chap. XXIX. The Loufe of the Bat, 406 
Chap. XXX. Obfervations on a large Spider, 
409 
Chap. XXXI. Mifcellaneous Obfervations, 415 
Some Account of a new conftrudted Micro- 
icope ufed in the foregoing Experiments, 422 
Remarks 
