Microscopical Essays. 



The animalculum is pellucid, cryftalline, and mufcular, often 

 of a yellow colour « from die apex it now and then puts forth 

 three little bundles of playing hairs, the two lateral ones fhorter 

 than the middle one ; a forked deglutatory mufcle (e) may be 

 perceived, and on the under fide, when the apex is drawn in, we 

 difcover two rigid points.. It is an inhabitant of the lea. 



359. Brachionus Squamula. 



Brachionus univalvis, tefta orbicularis, apice truncata quadri- 

 dentata, bafi integra, cauda nulla. Univalved brachionus, with 

 an orbicular (hell, the apex truncated, and having four teeth, 

 the bafe fmooth, no tail. 



360. Brachionus Palav 



Brachionus univalvis, tefta oblonga excavata, apice quadri- 

 dendata, baft integra, cauda nulla. Univalved brachionus, with 

 an oblong excavated {hell, four long teeth at the apex, the' bafe 

 fmooth, no tail. It is of a yellow colour.. 



361. Brachionus Bipalium. 



Brachionus univalvis, tefta oblonga inflexa, apice decemden- 

 tata, baft integra, cauda fpuria. Univalved brachionus, the fhell 

 oblong and inHeRed, ten teeth at the apex, the bafe fmooth, a 

 fpurious tail. 



362. Bra 



