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 aurita (Vorticella aurita, M.) The 

 double-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 gibba. 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 

 1 -200th. 



607. NOTOMMATA ansata (Vorticella aurita, M.) The. 

 handle. Notommata. 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 1-1 20th. 



608. NOTOMMATA decipiens. The slender Notommata. 

 Body cylindrical, not auricled ; toes short ; the ovarium 

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



609. NOTOMMATA (?)felis. 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 



