ATTEMPT TO EE-CLASSIFY THE EOTIFEES. 



339 



Explanation of the woodcut on the opposite page. 



Fig. 1— Hydatina. 



a. Principal ciliary wreath. 



c. Antenna. 



d. Cephalic ganglion. 



f. Mastax. 



g. CEsophagus. 

 h. Gastric gland. 

 j. Stomach. 



k. Intestine. 



/. Anus. 



n. Contractile vesicle. 



0. Ovary. 



p. Ovum. 



q. Muscle. 



r. Foot. 



Fig. 2. — Asplanchna. 



a. Principal ciliary wreath. 



c. Antenna. 



d. Cephalic ganglion. 



e. Eye. 



/ Mastax. 



g. CEsophagus. 



h. Gastric gland. 



J. Stomach. 



m. Convoluted tubes and vibratile 



tags. 

 n. Contractile vesicle. 

 0. Ovary. 

 q. Muscle. 

 s. Oviduct. 



M. Dorsal protruberance. 

 N. Ventral protruberance. 



Fig. 3.— Synchseta. 



e. Eye. 



/. Mastax. 



g. (Esophagus. 



j. Stomach. 



n. Contractile vesicle. 



0. Ovary. 



q. Muscle. 



r. Foot. 



A. Ciliated side lobes. 



B. Setigerous prominences. 

 J). Antennae. 



Fig. 4. — Notommata. 



a. Principal ciliary wreath. 

 d. Cephalic ganglion. 

 /. Mastax. 

 h. Gastric gland. 

 j. Stomach. 

 k. Intestine. 

 /. Anus. 



n. Contractile vesicle. 

 0. Ovary. 

 p. Ovum, 

 r. Foot. 



