TANNING MATERIALS. 635 



Bark of Rliizophora Manyle (German E. Africa) 46 per cent. 

 Trillo, husks of the cups of acorns of Qncrcns 



A em/lops ...... 43 



Knoppern, galls on the cups of acorns of Q. 



pedunculate ...... 88 



Yalonea, cups of acorns of oaks from Asia 



Minor and Greece (Q. A ></ //(<>]>*, etc.) . 38 



Dividivi, legumes of Ccesalpinia mriaria . 35 ,, 



Ehizophora Mangle and /'. inncroiiata, wood 30 

 Canaigre, roots of Hnine.i- liymenophyllum, 



von Schroder ...... 30 ,, 



Mvrobalans, fruits of Trnuiiuilia Chclnda, etc. 30 

 Quebracho Colorado ((JncltnicJiin L<>rent.:n, 



Loxopterygium ..... -20 ,, 



Oak silver-hark, hest quality ... 20 ,, 



Bark of 40 years' old oak . . . . 18 ,, 



Garobile, bark of (jiH'rcn* cocci/era . . 18 



Babla, legumes of exotic acacias . . . 17 ,, 

 Bark of Qiiercti* (h'ttxijlura and Pn-fd Kit</<'I- 



inainii ..... 16*5 ,, 



,, Tsmjn Mcrti'itxiiDKi .... 15*1 ,, 



,, (JllCI'Cll* lit'- 1' ..... 15 ,, 



Alnus glutinosa .... 14*6 .. 



,, Pseudotsuga niiimmutn . . . 13'4 ,, 



,, Terminalia t<nm-ntoxa (India) . . 13 



Spruce, 25 years old 15 ,, 



55 . . 11 



,, Casuarina equitetifotia 11 



,, tiharcd rolmstd (India) . . . 10 



Willows and Tsmja canadensis . . 10 



Old oaks 8 



,, Old spruce ..... 8 



Abuts incana ..... 6'7 ,, 



,, Silver-fir . . . . . 6 ,, 



,, QiK'rcnx Prinos, Cstanca americana . 6*2 ,, 



,, ( L >. alba ...... 6 ,, 



V- I'ltl'i'a . . . 4*6 



Elms . ..... 4'5 ,, 



Sweet-chestnut 4 



