338 



PQ 

 < 



H 



Ph 





PROCEEDINGS OF THE AMERICAN ACADEMY. 



O OaOC/ni^uO'rfCO'Mf— iOCi00t^I>-CO4OiO"rt<"rtiC0C0C-l(M«— 'i— «0 



CO OOCiC5C5C5C5C;OCiOOOOOOOOOOOOOOOOOOOOCOOOOOOOQOCO 



_- lOOOt^'— 'CO-r*<^J<i— lOOOOOC^OSi-H^.iOl^eOi-INiOOOCOCOT*! 



._ iO-rf*cOO<:Oc*^'— "OOO<MC0CD00iM»O0ac0C0e0G0C000-^Oii0 



*2 '^50CO^-»0'r^^^:J<Ml-^oCSCOI^-?OOW^-r}^'>:}^coeO(M(M1-"1-HOO 



*^ OOOSOCiOiOiOSOSasoOOOOOOOOOOOQOOOCOOOCOCOGOOOCOGO 



"**<O'M<MI>*05C'3(MOOCiG0(MO'M00t^05'^CC"^COO'0OO 



l>- OOCiCiOiOiOiOiOiCOOOOOOOCOOOCOOOCOOOOOOOOOGOOOGOCO 



ft- »O(MC0I:^C0<:D05OG0iOCi00(MO<>t'0ir*OC0^iO00(Mh-.Cqi^ 



,- CS05»— '»0»— 1GOCDCD»OCOt>-OSC^liOOOi— IkOO'^OS-^CiiOO'^'"' 



^" OOSOJOSOOSOOOiOOGOOOOOOOOOOOOOOOOOcOOOOOoOCOOOOO 



CO '--'Oil>.CD-^COC^i— iOCraG<)t--r-"CO»0'^"^COCOCSJC<I«-H.,-H0005 

 OCiCiCiCsClOOiOSCOOOOOOOGOQOOOOOOOOOOOOOOOGOOOOO'^ 



D in '^■^COOlCD-rffM'— «r-i(MC0i0C0'-HTj4G0*-iC0O»i5OC0i— icoc^jco 



C_j in 1— '0:)|>-iO"rt*CO'M'— iC30SGCIt>-COCO»n'*+lTfC^CO<M<M'— <i— lOO^ 



t7 005050iOiOiaiOOiOOGOOOOOOOGOQOCOOOOOCOOOCiOoOOOCO^- 



■< • * ■ 



Pi - ^ 



M O OOOCCOiOO»OCDCD-rt^OOI>.<M'-i-rt<OC5C<ICOt>-CO'— ikOO*'^':? 



j-^ o •— 1»— iT^oor*ic<ioc5ajc>'— •cocoos'Mcoas-^oocooO'^OiioO^o 



Wh lO 1— <Ot— iOTt<fOC^OOsaiCOt^COiOiO'^COCOC^3C^^-H*-ioOOoi 



g OOSOiOiOSCSCiOSCOOOOOGOOOOOQOOOOOGOOOOOCOGOOOOOOOt^ 



a -^ 



^ lo asasc^coc^osoot-*r^coa5»-H-«rfi>-o-^oocsicO'— l<:o<^ll>•(^^Q03! 



Q OOOiOiaiOOi0500QOODOOOOOOOOOOCiOOOC3000QOOOcX)OOt-»r- 



z ^ 



'^ ft* COC^O'^COCSTHCCicOTj'OOQOCOCfliO^HOCOOSOOaitNCDT-iOC^ 



Kl b£ OCCI--iO-^C^'-HOOiCOt^COcDm'^-^COCO<Mi— ii— (T-(OOOlOS 



2 ^^ OOOiOOOiOiOOOOOOOQOCOOOCOQOCOOOCOQOGOOOoOCOt^t* 



r/5 kO 'OiOGC(M00iO'r^e0C0'^»0I>-<OC0C0O'<^00(MI>-C^00c00S 



rT CO <OCCCD»OCC(Mi— lOOSOOt^COcOkO-rri-^COCSlC^Ji— li— (OOOS 



W OOOSasCSOiCSCnOOOOOOOOQOCOCOOOOOQOCOOOOOOOOOt* 



Ph -• 



_ (— ) •<;t*COcDOcO(M003CiO*-'eOiOOiC^CDOtDO»nOCD 



n CO OCXlCOiOCOCMi-tOsGOOOt^OcD'^'^COCOOQCM'— li— <0 



Q OaJOaOi0505C»COOOOOOOOOOOCOCiOCOiX)COOOCOOOGO 



en 



W ^ o * QOi— icDGOiOr- <OCOOit-»»-HOrJ<C^l'^OOOOmcoeO 



. 1 O kft (MC^l-^OO-^C^OOSOOOC^-^COCiiMCDas-^OOCOOC 



t"^ ^H CSI OCOCO-^COC-li— iCiOOOOr-COiO-^-^CO"M<Mi-Hf-HO 



C^ OOS050iOi030iOOCOGOOOOOOOOOQOOOOOOOCOOOOO 



O r^ * • • • 



COOOO'— 'I-*COI>-CiOOO*Mf— llOCO-rtHOOiOCDO 



1— lOcot^caocor^ooQOOtM'^t^ocor*'— ICO 



OOOcO-^COCvlOOSOOt^t^COm-^-^COCSC^i-H 

 OOsOSOlOOiOSOOGOOOOOOOOOGOOOGOOOOOOO 



OmcO'— ti— •O'^COt-^-^CDi-HOi 



Mirt i_iUjT— tirgi— <OOCOCDtOt>-COOC<I»000(MiOO 



,-, CDt— CO-^COi— (005COI>-CDi:OiO-^COCO(MC<J 



<; OOiOOi05030300000000GOQOOOCXlCXDOOOO 



05 ^ 



Ho" ^HcorMOcof^ocoeoi-icoiocsoooio 



_ r-, Oi:Z)OC0OC0i0'^'^»0C000OC0t>-O 



H rli OI>-CO-rt<C^Ji— «OC200I--C0i0»0-^COCO 



.^ OOSOOOiOiOSGOOOOOCOOOOOOOOOOO 



^ -^ 



_ O C5I>-00<MI>-10COCS)C<»POTHCD05Cfl 



pq »0 OiI>-iOTt<csi»— lOCsoof^cOUD-^-^ 



Q C5050iOSOSC10500000000GOOOOO 



o 



S O Ot^t^i— icOCOl— lOOi— ICOIOOOO 



f:: (— ) CZ)t-->0'^CM'-iOC5CZ)I>-COiO-^"<:J< 



i-J ^^ O0iO0:>0iCT)010D0000G0000000 



J ^- 



o ^ 



K^ »0 OI^OOOiOT-HCiOOCOOS'— "CCCO 



I 0030S05050SOOOOOOOOQOGOOO 



o 

 o 



t—^OOOOfO'-rt^rt^cO'^TjiCi 

 1— cOiOi'— <TfOG0t--b^0005 

 Ot— iO"^(M»— iOi00l>-CO»O 

 005050305030000000000 



■^ »0 ^ Cq rj< CO 



O fC 05 t- CO CD 



•^ (M O 0:1 OO t- 



05 05 OS 00 00 00 



CM C3 C5 



30 gcjooooooooooooooooooo 



WfaflS QOOOOOOOOOOOOOOOOOO__ — ___ 



Szlii »ooioo»raoioo»no»oo»oo»oo»co'00»oo»ooio 



.'^' 1— It— i(MCSC0C0Tt*Tt<»OiOC0c0r— I>-O0000a0500'— <.— 'C^lC>? 



