NO. 1989. A8CIDIAN8 PROM NORTHEASTERN PACIFIC— RITTER. 467 



able for its great length and its convolutions (figs. 19, 20), these 

 latter being at least two in number, the coils again often increased 

 in length by their tortuous course. The intestinal coil packed between 

 the concavity of the upright stomach and the dorsal edge of the 

 body. A distinct, smaller, lighter colored rectal piece of intestine 

 present with a portion of its wall furrowed lengthwise by numerous 

 regular plications; the anus bordered by from 12 to 15 or more promi- 

 nent rounded lobes. 



Reproductive system. — One long sausage-like ovary on each side, 

 with many testis lobes clustered around these, the ovarian cylinders 

 extending diagonally lengthwise of the animal, sometimes bent, in 

 a few individuals to a distinct V-shape. Endocarps present, but not 

 abundant nor large. 



