84 



ILLINOIS ACADEMY OF SCIENCE 



i-tj t* u a u *j 



%-i © © H © <«-i 



l±j © © tj © ±5 



S "* 



^ un~~ 



+l +1P+S co 

 ^ co 



gj © © <M <M 



iS O to m ±! i 



^3 +j • g> ^ xj 



(^ .2 cc co 



M co cS 



© a> 



PhPh 



TO«2 



o 



© . 



> 02 



SI 



a^isll 



oo o - 



so 



. 02 to _ | O20202O2O2u3O202O2O2O2'£ r£ 02 02 



^ X "cD "© © d) « 'S "3 « o "3 » 'S © 



tH (H <H <H <M <H <H 



rt o ° ° ° ° 

 Jj 0000> 

 ■ "t CO M ° M 

 i i_3 w rH « rH 



O U5 

 O «D 



O 00 

 "*> CO 

 C\l CO 



o o 



O Tt< 



CO CO 



o in 

 o w 



02 03 



♦J £ 



*"' 03 

 CO ,Q 



sa 



© © 



02 *-" * J 

 ,„ tl_i X-i 



> z; co 



,3 © 



© U3 

 CO CO 



_1 



02 © £ 



© CO © © 



* ^ £ g * 



CH ClJtU 



© S3 



0*0)0) 



w w w , „ , ai 



© 





FTrH tJ< Irt 



S" 5 

 CO 



i ^^^g S M 



Nlflc-MOMCJlOWlOOOlOlOOOOHlfiH/NOOOt-lO^NHOOtONOia 

 10c0t-0)0000HOCTJTjlc0HHHMC<|00u5|>ON'*Tl<t-HNt-T(<N(M(C>OH 

 Nc<ICO^ l CO , *t-0>U5Hlfl»U5MMC<5 ! Otec<lc\)lOr-IMe»lO , *COOM'*N^HO 



»HN'"l l 00t-O'*MOOOOOH00OOOOOOt'Ot-O(10ieHHWOO 



O o o 



UJoH 



OOOOoOOOOOOOOO'fcNlOoooOOOOOOOOOOOWOcM 

 OOOOOOOOOOOOtHOioooOOoOOOOOOCMiHOi-I 



► a Eta 



02 cdM* 



■0,3.^ 



b m • _? 



te a a B 



HHHH 



•0 

 oS M 

 *C P 



*H <|_| 



O T3 

 © o 



Mo . 



O w 



ftoS g 



3 

 o 



©a 



a 3 



5"§ 



©.2 -w 



iH *H q &H 



CO CO .2 O 



© « 



■a§£ 



- « © 



O *H 



© 7S 03 

 eL m i-l 



£*« 



O cd © 



feOO 



S S 



a § a 



© g o 



5! « 02 



C 2 5 



(h c8 2 



© 



CO 



S ."ea 



rt^t=H 



XI J2 © 



5° « Q 



^Ph M 



CO 



S T3 !^ 



JH © 



(h J O 



g.Sf.2 

 WWW 



el rt c 



cj ct c3 

 bJj M bx 



^H M S ^H © 



O 02^ 



© " 



> "2 © 

 g ©^ 



M 02 £3 



- *- Jrt 



© ^3 © 



02 iTj 



- " w 



60 o3 

 3 S ©" 



xi a 



J3 g eo 



™h © HM 

 © CO 03 



