466 



[Proc. B. N. F. C, 



w 



H 

 < 



O 



> 



B 



u 



C 



3 



O 



U 



<"© 



d ° 



-^ ^' 



ro rr-l 



^ O 



o 



c3 

 ^.:= 



Q 

 O 



o 

 l-J 

 o 

 w 

 o 

 w 



H 



2 "i 



OS ^ 



qjna?3Mjo UE9p\[ 



•q^ng /Cap jo ue3]/\[ 



•UOpEipE'^ 

 JEJOg JO 5UnOUIV UE3p\[ 



vb r-^ On N K rovb in Jq CTs rn ii-i 



00 OO VO VO ONOO VO ■<4- lO O N "-I 



HcavoOnvoOvor^rJOO 

 •»^ CO O Cn looo CT^oo JH U-) O O 



O On>^ -^ O O O I'^'O O OnvO 



•ssbjS 3A0qE 

 33aj f 'onoEA ui 

 q[iia 2(3Etg uinuitxBpv 



•SSEjS 3l{} uo 



•SaQ zi Mopq s}i{3r^ 



»5 



w 

 H 

 w 



i| 



O i 

 is ^ 



W - 



O c 



I 



w 



1/2 



aSuE-g Xjijiuoi^ 



•aSuE-g 



31]} JO 3Jnj 

 -EI3dui3J^ UE3p\I 



uinmiuip\[ uE3j/\[ 



lUnUITXEJ\[ UE3p\I 



t-~.'4-t^t^coO O O O »-i 'd-oo 





t-»^0 w Ooo t>vO t^CTst^O 

 H O On t^ t^vo On c< vo rovo tn 



vooo ON>-oO\ioO\OSThO ■'i-'^ 





OO^OOOOOOOO '^J-vO fJ 



tJ)0 ;^0 N t^t-^O u-iO l>-oo TJ- 



X H c-O ^ t-^ N "t-^ V> '>H t--. Vl- ON ON 



U CO ro CO CO T^-'-^ W-) >y-i "ii- rj- CO ri 



oo 00 ■^1- CO 0\ t-^ •^ ■^vo covo O 



(jjj y-lVO I^OOOVOOO ONCOO -^ O 



^ O ti '^^ V}-vb CO t^vb f< vis On O 

 H <;J- tJ- ■^h vo VOVO VO VO VO wi t1- t1- 



•i[5uopY 



3l{5 JO ISSMOq 



•i{;uop\f 

 3i{; JO as3i[3ifj 









u 





> 





gj 



Pi 



1-3 



w 





H 



(/3 



w 





s 



> 



O 



J3 



Pi 



< 



OJ 



pq 



Uh 





O 





CO 





ti 



o 



kVvo CO On li^ ONOO O CO CO 1-1 fl O 

 ajM c) w c< c< co'ii-^cococoi-i 



f< O f< 'd-O O'ocoM co»oc» 



lO lOVO <0 t^OO 00 t^ C^VO U-> U-) 



M ■^vo vo O covo On N vo •>i- co lo 

 lu Oncom (^OnOOOVjO m O O •-< 

 .J5 N CO •^ yo c» t^ •>;i-oo fj oo NO O 



CiHO>-llHI-<l-lOOl-ll-<>-lCO 



(^ VO 1-1 ■<;}-0O Oi-ie»OONTj-t-^0 

 D N NNO lOt-^i-oo O CON coo 

 ^ V£) O NO lONO On t^OO On U-) ON lO 



£3 OnO OnOnOnOnOnONOnONOnON 

 I— |NCOOO«C)C4tSP«NNC^ 



. u-it^ooooooooo O C< C)VO N 

 S c» O O On CO u-ioo t^ CO r» CO vo 

 ^ ON_N O OnQioN CO COVO -H •>d- 



y oo ON ONOO ON On On On Onoo on t-^ 

 j^f>««c<Mcic<Mr<«c<« 



On CO looo >H t;)- r^ 1-1 t^vo On t^ 



M ■rl-wVO OND t^Tj--5i-M COlO 



N X^^y^coN N c» y^^j^^ 

 o o b o b o b o o b o o 



cocococococococococococo 



>,C- : : : ; :^^--q^ 

 " " E B 



c-5 !3'g >ra >-^^ 3 > ^ 

 1— ,tii < <i ^i !—>•—.< c/} O 52 u 



O r- 



"-) CO 



CO 1-1 



n CO 



^1- 



w O 

 On ■^ 



CO Tj- 



ON t^ 



VO O 

 c< O 



ON O 



On m 



ON •<4- 



Vh b 



VO CO 

 CO 



H§ 



