Further Studies on Restitution-bodies and free 
We 
12. 
Tissue-culture in Sycon. 
By 
Julian 8. Huxley. 
With Plates 13 and 14. 
CONTENTS. 
INTRODUCTION ; 
MATERIAL AND Mretuops 
. SUBDIVISION OF RESTITUTION-BODIES 
. Dermat BLow-outs 
. DARK-CENTRED MASSES 
. ADHERENCE OF LARVAE TO Missa : 
. ADHESION AND UNIFICATION OF Tinie ce BODIES 
. RESTITUTION-BODIES AND TISSUE-CULTURE 
9. MECHANICAL SHOCK: Toxic AGENTS 
. Discussion : 
(a) Dedifferentiation. Position and Fate 
(b) Formation of Blow-outs 
(c) Size-relations. Viability 
(d) * Normal’ and ‘ Abnormal ’ pienenens : 
SUMMARY 
LITERATURE LIST 
1. INTRODUCTION. 
PAGE 
293 
294. 
295 
300 
305 
305 
306 
307 
309 
311 
315 
316 
317 
318 
320 
IN a previous paper (Huxley, 7) I showed that the remarkable 
phenomena of regeneration from dissociated cells, first observed 
by H. V. Wilson (15) in monaxonid sponges, later extended 
by him (16) and by de Morgan and Drew (4) to coelenterates, 
could be studied in a simpler and more satisfactory form in 
X 2 
