364 DESCRIPTION OF [Rotatoria. 



the first by its cervical eye, from the latter by want of 

 frontal eyes. Found amongst lemna. Length 1 -120th. 



605. NoTOMMATA aurittt {Vorticella aurita, M.) The 

 douhle-eared Notommata. — Back swollen near the tail, 

 and thus gibbous ; the corners at the front project like 

 ears. Beneath the eye is an obscure white globular purse- 

 shaped organ. Found amongst conferva, &c. ; also beneath 

 ice. Length l-200th. 



606. Notommata gihba. The arched Notommata.— 

 Back swollen, front truncated, not auricled, no cerebral 

 sacculi below the eye ; toes short ; the vibratile organs 

 compound. Found in old exposed infusions. Length 

 l-200th. 



607. Notommata amata (Vorticella aurita, M.) The 

 handle Notomrnata. — Body turgid in the middle, suddenly 

 truncated at both ends ; the front auricled, no cerebral 

 sacculi below the eye ; toes thick. Found in bog water 

 amongst conferva. Length 1 -120th. 



608. Notommata decipieiis. The slender Notommata. 

 — Body cylindrical, not auricled ; toes short ; the ovarium 

 often contains four large eggs. Length 1-1 80th. 



609. Notommata (?)ye/2s. The cat Notommata. — Body 

 small, slender; one horn in front ; eye colourless ; back 

 attenuated posteriorly, and forked. Length 1 -240th. 



610. Notommata (?) tigris, {Trichoda tigris, M.) The 

 tiger Notommata. — Body cylindrical, curved, foot half the 

 length of body, toes very long, and curved downwards ; it 

 has a little horn in front ; the eye is large and red. Found 

 amongst oscillatoria. Length l-72nd. 



611. Notommata longiseta {Vorticella longiseta, M.) 

 The long-forked Notommata, — Body cylindrical, truncated 



