XX 



Hj. Tallqvist. 



Ec. Maxima und Minima der Curve C^ L^ N:o 4. 



Ed. * Die Curve C^ L, N:o 5. 



Ee. *Dic Curve Cj A N:o f). 



Ef. "Die Curve C, L^ N:o 7. 



T. xxvm. 



