that I am juslilied in believing I < >i- ! his species ;i similar <<xc] usivel.y 

 parthenogenetical propagation as stated for the preceding-. 



In habits the present species agrees with If. s/anh-i/ana, 

 being a true bottom-form and quite devoid of swimming power, 

 fn its movements it is even still less active than that species, 

 probably owing to the more compact consistency of its shell. 

 Generally it is found more or less deeply immerged in the 

 loose bottom deposit, more rarely creeping up the walls of the 



came from the same two localities that yielded the preceding 



Distribution. — The specimens examined by Brady were 

 collected by Mr. Thomas Steel at Candong, on the river Tweed 

 near Sydney, New South Wales. Hence the range of the spe- 

 cies as yet known does not extend beyond the limits of All- 



ien. 2. Ilyocypris, Brady & Norman, 1889. 

 Uowrk Characters — Shell compressed, subreniforn 

 t distinctly impressed on either side in front of the 

 arior extremity higher than posterior, dorsal margin 



sisteney, surface everywhere closely set with deep 

 ; - ;| nd sometimes bulging out to large lateral protiib 

 p * finely hairy and more or less distinctly spinulosf 

 features not very large. Natatory seta of both pair 

 ll: >' sometimes greatly elongated, sometimes very sho 

 r niaxilhe about as in Herpetocypris; 2nd pair ra 

 in ?. masticatory lobe very broad and compressed, b 

 Ja wel1 developed, palp very small, cylindric and e 



'' ;ur "Megs only 5-articulate, the penultimate .-md . 



• 2nd pair of legs comparatively short, last joint 



