Preliminary Descriptions of some Japanese Triclads. 



By 



Isao Ijima, Rigakuhakushi, 



and 



Tokio Kaburaki, Rigakushi. 



Maricola. 



I. Procerodes lactea, n. sp. 



Woodcuts I and 2. 



Frontal margin subtruncate, slightly crenate, being gently arched in 

 the middle parts. Tentacles moderately long, rounded at end, antero- 



2 



de 



vd 



1. Procerodes lactea, n. sp. Outline of body 

 in the creeping state, about 17 X. 



2. Same. Diagram of sexual organs. 



de ductus ejaculatorius, gp genital pore, 

 gv genital vestibulum, m mouth, 

 od oviduct, od' unpaired common oviduct, 

 p penis, ps penis sheath, 



rs receptaculum seminis, v vagina, 

 vd vas deferens. 



laterally directed. Trunk 

 indistinctly separated from 

 head by a slight neck- 

 like narrowing, elongate, 

 slender, being in most 

 parts of a nearly uniform 

 breadth, rounded at pos- 

 terior end. 



Specimens fixed with 

 sublimate solution meas- 

 ure 2-4 mm. long by 

 about I mm. across in the 

 broadest part. 



Color milky white ; 

 digestive tracts appearing 

 reddish or brownish. 



Eyes two, crescentic in shape, situated well behind frontal margin, 



