Microscopical Essays. 



649 



373. Brachionus Cirratus. 



Brachionus capfularis, tefta apice producla, bafi curti, bicorni, 

 cauda bifeta. Larger than the preceding, ventricofe, fomewhat 

 pellucid, the head conical, on both fides of which is a bundle of 

 hairs ; it has alfo a rotatory organ. 



374. Brachionus Pa flu s. 



Brachionus capfularis. tefta cylindracea, frontis cirris binis 

 pendulis, fetaque caudali unica. Capfular brachionus, in a cylin- 

 dric fhell, two long pendulous locks of hair proceed from the 

 front, the tail confifts' of a fingle briftle. 



375. Brachionus Ouadratus. 



Brachionus capfularis, tefta quadrangula, apice bidentata, baft 

 bicorni, cauda nulla. Capfular brachionus, in a quadrangular 

 Ihell, with two fmall teeth at the apex, two horns proceed from 

 the bafe, it has no tail. 



376. Brachionus Impreffus. 



Brachionus capfularis, tefta quadrangula, apice integra, baft 

 obtuft emarginata, cauda flexuofa. Capfular brachionus, the 

 fhell quadrangular, the apex fmooth or undivided, the bafe ob- 

 tufe, the margin notched, the tail flexuous or bending. 



4 K 



377- Bra - 



