170 





TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



CO lO CD 1C ■* ■* ■* 



o o o o o o o 



p 43 4> -P -P -P -P 



0000000 

 I co <m co -# cm cm cq 



o 

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© CM 



10 -r 



o o 



O tH 

 CD -^ 



©"© 

 lO 



cot g 



CO CD CO 1—1 lO 



MNHHX 

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© © © C- lO 

 t-OMHX 

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 00" 10 -* co 



lO 1— 1 00 © 



10 o 



c3 o s-< 



-o m o 



2 a . 



pq 



o 



00 (M O H tJ (M lO 

 LO C ^ M t- lO LO 

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+++++++ 



I 1 I I I 



LO O O-l " ^ o c 

 O rt< 10 CO CO CD -* 

 ©^ CO CO CM^ r-^ C- O? 

 CO*" Th rjT o "* co 

 C- CO CM Th O 



K 



o 



O CM O 

 CM © CM 



2 o 



© 00 o 10 



O ©' CM -T 



CCNHO 



© © © 

 GO © CM 



co^co co 



CO" CO" © 



CO T*H 



© © © © 



lO © CO CO 

 © lO CM CM 

 ^CO" ©" 

 Ht- lO 



CO ->* 



CO LO O lO -* •* ■* 



•C r 2 R fe $% 



I <3 S«1tc 



T5 



CD 



Pi 

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o 

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c3 

 CD 



O 

 Pi 

 PI 



o3 

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^5 

 CD 



CD 



CD cD 



^ Pi 



-+3 crj 



CD 



►4 



CD 



CD ^ 



eg 



O CD 

 £ Cl 



CD R 



cS CD 



*3 



o 



^ o3 



Is 



H l>» 



2 ^ 



H 



pq 

 < 



EH 



Number of 



variations 



beyond range 



of error. 



CD lO CD lO t* rt< tJ< 



>M s+H =+H V|H «4-l t|H «4-l 

 OOOOOOO 

 -pi -p -*P> -P -)J +3 +3 



3 3 P S 13 p P 

 OOOOOOO 

 O tH ^ CM (M CO CM 



O 



"o 







1 



256 to 358 

 2,083 to 3,565 

 2,500 to 2,950 



505 to 855 



63,610 to 81,290 



2,650 to 3,354 



6,864 to 10,236 



Probable 



error 



+ or — 



.-h 1-1 -* lO C5 CM © 



O tH <N l> M 10 « J 



i>(N h 00 « co 



t^ r-T 



Per cent, 

 deviation. 



«# © lO T* CO C- CO 



CM O 1— I.Tj* CM rH CO 



OOOOOOO 



■4^ -+3 -^> -+J -+i -+3 .+3 



cm co © io cm r> co 



■* LO CM © CM CM CM 



II t 1 1 1 1 



Mean. 



t- t^ CO © © CM © 

 © CM CM 00 lO © lO 



co c» r>^ © rH © 10 

 cm cm" co co ao" 



Range of variation. 



180 to 380 

 1,320 to 4,400 

 2,180 to 3,120 

 240 to 980 

 57,600 to 90,200 

 2,170 to 3,500 

 6,600 to 11,600 



03 



© lO © lO tJ< "# rj< 



Date. 



April 3 



„ 



„ 8 



„ 13 



May 25 



Aug. 7 



Sept. 16 



