Some Points in the Metamorphosis 

 of Asterina gibbosa. 



By 



Seitaro Goto, 



Professor in the First Higli School, Tokyo, 



wm PL XVIII. 



In my paper on the metamorphosis of Asterias pallida 

 published a short time ago ['98 a] I have given expression to 

 views, which are in some points irreconcilable with those of 

 previous observers ; and especially was this the case with regard 

 to the observations of MacBride on Asterina gibbosa recorded 

 in his excellent paper published in the Quarterly Journal of 

 Microscopical Science ['96]. To decide if these contradictions 

 are only apparent or real and also to extend my observations 

 to some species undergoing a different form of metamorphosis, I 

 asked for the purchase of developmental stages of Asterina gibbosa 

 from the Zoological Station of Naples ; and although, owing to 

 the lateness of the season, I could not obtain fresh specimens 

 fixed according to my prescription, the authorities of the Station 

 kindly sent me a complete series of eggs and larvae that had 

 been fixed in a sublimate-acetic mixture. The present paper 

 embodies the results of my observations on this material. I 

 shall not, however, go over the entire ground anew, but will 



