Terrestrial Planar i ans from Japanese Territories. 



19 



by branching cellular masses, extensively filling up the interspaces 

 between the brandies of the intestine. Behind the genital opening 

 the oviducts l)end inwards, rising upwards at the same time, and 

 finally enter, each separately, the glandular organ at the posterior 

 end. The wall of the oviduct is, as usual, composed of a ciliated 

 epithelium and a thin muscular layer. 



Text tig. 8. Copulatory organs of B. Jdsoensis in sagittal section, dia- 

 grammatical ly shown. 



Index l<?tters as in text figs. I and 3. 



The glandular organ, embedded in the muscular sheath, pre- 

 sents a fairly wide lumen lined Avith a thick ciliated epithelium of 

 a glandular nature, and opens in front into the vestibulum close to 

 the opening of the penis-sheath. At the opening point of the 

 oviducts the organ is supplied with numerous glands. 



t>. Itipalinni fuseolineatutn, n. sp. 



(PI. I., Figs. 4, 5.— Text ßg. 9.) 



A few representatives of this new species were caught by the 

 late Professor Ijima in July, 1886, on the stone wall or under stones 

 in Nikko. 



