Reprinted from the American Journal of Physiology. 
VoL. XIX.— JULY 1, 1907.— No. II. 
SOLUTION TENSION AND TOXICITY IN LIPOLYSIS. 
By RAYMOND H. POND. 
[From the Chemical Laboratory of the New York Botanical Gardens.] 
CONTENTS. 
Page 
MMIOCOR 6 Sr i a eee eee 258 
ethods ‘ 260 
Eoladin = =; RE eet ee oT ate: . - 260 
Polutions OF tOXIC Salts <<< 5. bei eosks 5 che ke et eee 
e use of ethylbutyrat . 262 
Titration with phenolthalin ig 262 
Sources and control of err 263 
timum conditio — ay 263 
Relative toxicity with the concentrations aoe enzyme thes SAME i a ee ee ee 
Sodium, lithium, and potassiu eee Rr on Se cs cos et Ee 
a strontium, and magnesium . - ss 2 6 es ete ee ew «BOS 
Ammonium wuattons autor 4 Ue walvcei hd wae ee 
aaicn. eabelt; and Han eck tO ae ae ee eee 
Zinc, lead, and c : 269 
Copper and zinc . z 269 
Copper and lead FED Sega at al cree ea eg? % oe eg a he 270 
Mercury, Sonnet ak iad, DS gy Agta: tle ices oat SC Siem NG ens an 
mercury and silv oe ace - + 271 
Zinc with iediyhuiyians Ababint une as as 273 
<goe os with the concentrations ist ‘cies s aitteceak ? 
Cobalt PALS sae Seat dnl ett eA ala HES aan apnea a eh sh el gl ton 2 SIR 278 
Cadm FAO Pe i A a Co ae he ee 279 
Cadi, patede: sie PNG be tee ee ee ee ee cE be 
Cadm and zinc go hip rang CRpiyi teeta ay Lae 280 
pace maps and ar Cae eee acer a Se ae ge meee CRN EE 280 
ercury a * . : 282 
Discussion . . fe : 5 - 282 
MATURE Ob es 283 
INTRODUCTION 
N effort has been made to ascertain whether lipolysis is affected 
- by toxic agents in a manner corresponding to that found by 
Mathews! for fertilized eggs of Fundulus, by McGuigan ? for diastatic 
1 Matuews, A. P.: American journal of physiology, 1904, x, PP- ?90-323- 
2 McGuican, H.: American journal of physiology, 1904, x, PP- 444-45!- 
: 258 
