758 



THE JOURNAL OF GENERAL PHYSIOLOGY 



Salt(s) : 



Antagonism to alkaloids in 

 relation to permeability (Os- 

 terhout) 515 



Bile, decrease of permeability 

 and antagonistic effects 

 caused by (Osterhout) 



405 



Sciatic : 



Nerve, of frog, respiratory rate 

 in activity (Moore) 



613 



— , , respiratory rate in 



rest (Moore) 613 



Scorpions : 



Whip-tail, partially blinded, 

 photoreactions (Patten) 



435 

 Sensitivity : 



Photic, of Ciona intestinalis 

 (Hecht) 147 



Sensitization : 



Heat, due to exposure to light 

 of short wave-lengths 

 (BoviE and Klein) 



331 

 Shading : 



Branchiae of Chroniodoris, con- 

 trol of response to (Crozier) 



585 

 Soil: 



Plant growth in soil free of 

 microorganisms (Fred) 



623 

 Spore : 



Cycle, Bacillus subtilis, influ- 

 ence of hydrogen ion concen- 

 tration (Itano and Neill) 



421 

 — , , influence of tempera- 

 ture (Itano and Neill) 



421 

 Squid : 



Central nervous system, selec- 

 tive action of nicotine on 

 (Moore) 505 



Starfish : 



Strychnine, reversal of reac- 

 tion by, in (Moore) 97 

 Stem: 



Bryophyllum calycinum, regen- 

 eration (Loeb) 81 

 Strychnine : 



Planarians, reversal of reaction 



in, by (Moore) 97 



Starfish, reversal of reaction 



in, by (Moore) 97 



Substance : 



Tetany-producing, specific, in 

 thymus gland (Uhlenhuth) 



ZZ 

 Subtilis : 



Bacillus, spore cycle, influence 

 of hydrogen ion concentra- 

 tion (Itano and Neill) 



421 

 — , , influence of tempera- 

 ture (Itano and Neill) 



421 

 Surface tension: 



Apparatus for measuring (du 

 Nouy) 521 



System : 



Central nervous, of squid, se- 

 lective action of nicotine on 

 (Moore) 505 



Temperature : 



Bacillus subtilis, spore cycle, 

 influence on, of (Itano and 

 Neill) 421 



Coefficient of action of j8-rays 

 upon egg of Nereis (Red- 

 field and Bright) 255 



— , of photosynthesis (Oster- 

 hout and Haas) 295 



Mya arenaria, latent period in 

 photic response, effect on, of 

 (Hecht) 667 



Tetany: 



-producing substance, specific, 

 in thymus gland (Uhlen- 

 huth) 33 



