GENERE EX SEX LENT. COMPOS. 215 



15. Hac fornuilac ad praxiii maxiir.c "vidca- 

 tur AccommoJatac ct quia ob cimpum cxpcdrt, nu- 

 mcro [X. quam minimos tribui \alores , is luitcm 

 tcrnario maior capi ocbct , eo magis , quo maiov 

 multiplicatio dcfideratui, contcrapkmur fcqucntcs hy- 

 pothdcJ. 



s— 



r rz: j -u i 



1. Hypothcfis vbi [f.~^ ct m — -~. 



Aperturac IntcrualJA 



PP— 2.V AB— Ad! 



Q(^—\Aa ■ BC=:2Aa 



RR = 45; CDzzioi; 



TT — trJ EF=:u 



Diflantiac focales 



A a 



p~r-*-\ T 



-t-7 AJ- ^^ 



a;— ^s 

 Diamctcr fpatii confpicui — | et a: — ^"5. 



11. Hypothcfis vbi ij.— 5 ct w — '^, 



Didantiac focalcs 



Aa 



Aa 



Aperturac 



QqzziiA^ 



RR=:2.v 



SS= Iv 

 TT=:lrj 



Interualhi 



AB^Afl 



BC=Aa 



CD=:6y 



DErri-y 



EF — V 



FO — l-y 



Diameter fpitii confpicui — ^ ct a* — ,", 



Cc 3 



ni. 



