responding region of growth. I give a record (Fig. 81)
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I’m. Kl.~—-I'Ill'wet of Indirect :uul Dirt-rt. stimulu“ on growth of L'rin'lm, taken on a movng plnlv. hottedurrow shoWs :tmilie.tlion of Itdireet. stimulus with cmu-equeut acceleration of L'luwlll. Direct application of stimulus at; the second arm“ Ilttlllt'UH eontrut:tinn- :IHII Hulm-queut retardation of rate of growth. Stleeeshive dots are intermlx of f)". (Magnification 2,00! time-l.
obtained in :1 dili'er-ut experiment which shows in an identical specimen, (1) un ttce-rle'ution of growth under Indirect and n retardation of grtthh under Direct
stimulus. 'I'AIIH'I .\'l\ A 't'lifJ‘ltA'l'IM: iCFlt'l’t'l' HI" l.\| lRlCV'l' .\'||Ml Li S UN unou't'tl (Uri/mm).
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Specimen. | Condition of experiment. Rate of growth. l . I I Normal “‘21 ,u per second. l After Indirect stimulus... 0'26 p. ,, ,, ! Normal 0'25 lu, ,, ,, l 11 g . g lAt'ter Indirect stimulus... (Hit) ,1 ,, ,,
