ArrENBICULAIUA OF JAPANESE WATERS. 



25 



Explanation of Plates. 



Ahbreviatiuiis cominoii to all Hsfures. 



am Fol's oikoi)last. 



an Anns. 



ah Anlage of 'Haus.' 



ap Anterior portion of tlie right 



lohe of stoniacli. 

 bl Blind-sac of tlie left lobe 



of stomach. 

 hr Blind-sac of the right lobi' 



of stomach. 



bs Blind-sac of intestine. 



al Ciliated band of the dorsal 



lip. 

 (.f. Ciliated fossa. 



en Chorda nuclei. 



cps Connecting portion of the 



two lobes of stomach. 

 cr Ring of cilia on the inner 



wall of lip. 

 CÜ Ciliated band of the ventral 



hp. 

 d(j Epidermal gland of the 



dorsal surface. 



dv Uorsal hood. 



c Endostyle. 



t'V Buccal gland. 



It Hood. 



Ac Heart. 



i Intestine. 



hi Spiracle. 



/ Lip. 



U Lobes of lip. 



Is Left lobe of stomach, 



o Ovary. 



Ort Outer atrial aperture. 



ocs G^]sophagus. 



oi Oikoplast epitlielium. 



ot Otocyst. 



p)ii Eisen'« oikoplast. 



pp Posterior portion of the right 



lobe of stomach. 



pt Protoplasmic mass in the 



lateral lobe of ventral lip. 



r Rectum. 



re Transverse row of plas- 

 matic cells. 



rl Ridge of lip. 



rs Right lobe of stomach. 



8 Stomach. 



6C Subcliordal cells. 



6>'c' Second row of cilia on toj) 



of endostyle. 



t Testis. 



ta Tactile cells. 



Vfj Epidermal glands of the 



ventral surface. 



vv Ventral hood. 



