8 SOAPS AND PROTEINS 



III. ACIDS OF THE SERIES C n Hj n -Oa 

 (a) OPEN CHAIN A< n 



(a) Acids of the Linolic. Series 



Linolic acid ................... CisHnOj Elwomargaric (Elseostearic) 



Millet oil acid ................. CtsHnOi acid ...................... CisHnOi 



Telfairic acid ---- C.sHO, 



(ft) Acid* of the Tariric Series 

 Tariric acid ................... CisHsiCh 



(6) CYCLIC ACIDS. ACIDS OF THE CHAULMOOGRIC SERIES 



Hydnocarpic arid .............. CieHzsO? Chaulmoogric acid ............. CuHnOi 



IV. ACIDS OF THE SERIES C n H 2 n-6O 2 . ACIDS OF THE LINOLENIC SERIES 



Linolenic acid ................. CisHsoCb Jecoric acid (inferred) .......... CnHioOi 



Isolinolenic acid 



V. ACIDS OF THE SERIES C n H 2n _ 8 O 2 . ACIDS OF THE CLUPANODONIC SERIES 



laanic acid .................... CuH2oO2 Clupanodonic acid ............. CnHigOj 



Therapic acid (inferred) ........ Ci7H2eO2 Arachidonic acid .............. C2oHOj 



VI. ACIDS OF THE SERIES C n H 2n O 3 . HYDROXYLATED ACIDS 



Sabinic acid .................. CwHuOs Not named ................... C2iH42Oi 



Juniperic acid ................. Ciel^Os Cocceric acid ................. CsiHejOi 



Lanopalmic acid ............... 



VII. ACIDS OF THE SERIES C n H 2n - 2 O 3 . ACIDS OF THE RICINOLEIC SERIES 



Ricinoleic acid ................ Ci8H34O 3 Ricinic acid ................... CigHOi 



Isoricinoleic acid .............. CisHmOa Quince oil acid ................ CuHwOi 



Ricinelaldic acid .............. 



VIII. ACIDS OF THE SERIES C re H 2ra O 4 . DIHYDROXYLATED ACIDS 



Dihydroxystearic acid .......... CisHssO* Lanoceric acid ................ C3oHoO4 



IX. ACIDS OF THE SERIES C M H 2n - 2 O 4 . DIBASIC ACIDS 



Heptadecamethylenedicarboxylic Octodecamethylenedicarboxylic 



acid ........................ C I9 H 3 04 acid ....................... CzoH.gOi 



Japanic acid 



With these remarks, we shall proceed at once to a study of the 

 water-holding power of various pure soaps. 



