1198 Recent Literature. [ December, 
mainly gathered round the mouth, and there presides exclusively 
over the codrdinated action of the spines, and in large part also 
over the coordinated action of the feet, but which is further in 
part distributed along the courses of the main nerve-trunks, and 
Fic. 14.—Uncodrdinated grepe ofa tnd tah in which the nerves of all the mi 
e been divided. 
so secures coordination of feet even in separated segments of the 
animal, 
it was also determined that the so-called eyes of star-fish and 
i 7 i ' Ki 
À; y z A E Í Ie 
‘Fis. I parave aa sented when treated as in Fig. 14. 
ins were really such, as if a large tank be completely 
z d except at one end where a narrow slit of light is admit- 
