Roy. Soc. Edm r Vol. L. Plate XXV. 



Stebbing: Stalk-eyed Crustacea AValacostraca. 



^tt***" ' 



.^-rvT"' > f 



A.— HYMENOSOMA ORBICULARIS, Desnjarest. B.— LYSIOERICHTHUS EDWARDSI1 (Eyd. & Soul.). 



RITCHIE iSOH.EDIN* 



