Description of Son» Japaneso Polyolad TurMlaria. qq 



The present species is apparently very nearly allied to 

 Em-yhpla mgra Simpson from "Ousima" as well as to Pseudo- 

 cerossuperèus Lang and P. flavomarginaius Laidiaw, but may 

 be „.at nguished fron, the first mentioned form by the presence of 

 the yellow inner marginal band and by the absence of ocellated 

 papula, and from both the last two by the difference in colour of 

 the marginal and submarginal bands. 



20. PsewToctros nii/romaroinatus. n. sp. 



(PI. I., fig. 2.— Textfigs. 41, 42). 

 This species is founded on two individuals taken near the 

 low-water mark at Matsuwa. near Misaki. and at Phirahama in 

 rrov. Awa. 



Body broadly elliptical, with frilled margin, measuring 40 mm 

 long by 22 mm. broad. 



Dorsal surface of a blackish brown colour, margined completely 

 around by a narrow but well-defined blackish band and showing 

 two hght-coloured longitudinal bands in the median zone, running 

 one on each side of the median line. Ventral surface much paler 

 than the dorsal, unpigmented. 



Marginal tentacles appearing as two short folds of the frontal 

 margin, when the animal is at rest (textfig. 41). 



41 Numerous eye-spots distributed on 



the tentacular flaps. A cluster of eye- 

 spots also occurring in a small round clear 

 space above brain. 

 \\y Sucker nearly central. Mouth situat- 



T .„ ",. ed a shorfc distan ce behind brain. Male- 



-lextng. 41. Marginal '+. 1 



tentacles and eye-spots genital apertures present in a pair closely 



IwSïïtaT*" behind pharyngeal sheath, and separated 



v from eacI * other by an interspace of 3 mm. 



female genital opening exists on the median line close behind the 



male apertures. 



The seminal canal, proceeding foreward on either side, is 

 continued into the seminal vesicle (textfig. 42, «,), which gives 

 rise to an inwardly directed slender duct, the ejaculatorv duct 



