66 



THE UNIVERSITY SCIENCE BULLETIN. 



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lOiOOiO'— i-^COCTJ^^OO'— 't-*— 'lOOOcOtMI^ 



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 IC'-I --H (MCI C^COC^J'-H 1— '1— 11— iCvJC^COCO^H CO CJ^H -rji coco 



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t— <-*ioo':^j:i?'— T-'^aocncoc^i^-cocooocj 

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coCi'-'Ocooc-jrj'iooouoO'— ."^-t*»ocO'^ci3;ooo^»oc;>OwOi--'* 



.— ICOCO COC^C^ ■^,— i-H -^CM .— ii— « TJH— i-H— ic^coca'-' 



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i—iCO'—'^C^l-^COC-l •—<--« C-IC^ '—•'—' '-« •-' -—«,-. 



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coc^J'^oor-t-^oc^irMasC'iioi--oo^^i:^'— ''Mcocoo-ri^oo-rt^-rticocraoo'^C'i-rfc^o 

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COt-O^O^OOO--''— I OC'lClCOCWGC CO CTitOCO CI O-^tO-^OOOO^OCOt^^Ot^C^lOiC^COt^rt* 



i>.c^i'— (OOcic-ic;-:}'c::)t^c^i-^-^05'--"C^icooO'— t^«o-^OiOc-i"^iOO'«#co — co^i.-^ -^ 



CO-— ' -^C-l-— -r- !,-« rM COCI-— I-— COCOt-ii— iri'—'— I C]CO C^ i— irj* r-t 



QI^,_H^,OlO-^I>•l>■c^cooi"^'^<^J■^ooc>lOicOTJ^ic■^ococ^^c^^Ol^-.TJ^ol'X>"^cooo»oc^l 

 i^-rf"OcMooooso t^oosr-oc^jio ■^oot^t-->o-^i-^coi^r-tocor-oO'^coi>-ci'r-ic^j 



CO-— I Csjr-«»-H lO CO-* CQ PO—t'— '1— IC^'-HC^ i-HIMC^fM .— i C-J'-' 



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i-i^^^^^,-H^^i-H»^(Mcsc<icsc^j(MC^cq<M<Ncoeoeocoeocococo 



