588 W. SAVILLE-KENT, KNOWLEDGE OF THE HYDRACHNIDAE. 



the Swedish Limnesia pardina and L. marmorata of Neuman. 

 The L. maculata of Koch has been observed by both Neuman 

 and Kramer, while the form referred to Koch's L. undidata 

 by the last-named authority is, from the conformation of the 

 genital plates, the nymph condition only of that or an allied 

 species.* 



* Unfortunately Saville-Kent never completed this paper, the remain- 

 ing part being in the form of very rough notes without order. [C.D.S.] 



Journ. Quekett Microscopical Club, Ser. 2, Vol. XL, No. 69, November 1911. 



