64 AET. TT. — A. TZUKA : 



Dorsum entirely covered by elytra of a brown colour in 

 alcoholic specimens. Ventral surface yellowish white, setse ap- 

 pearing yellowish. Nephridial papillae begin to appear from 7th 

 segment. 



Prostomium (fig. 8) about twice as broad as long, consisting 

 of two, nearly circular, lateral halves, each with a pair of small 

 but distinct black eyes situated near postero-lateral margin ; the 

 antero- lateral eye larger than the mesian posterior. 



Ceratophore of paired tentacles directly continuous with pro- 

 stomium ; very long, being about IJ times as long as prostomium, 

 broadened at distal end in a shoulder-like . manner ; purple at 

 base, lighter coloured toward distal end. Style of the tentacle 

 slender, pale white, only a little longer than the ceratophore. 

 Subtentacles large, tapering toward tip, about IJ times as long as 

 total length of paired tentacle. 



Tentacular cirri about equal in length to paired tentacle ; 

 dorsal style slightly longer than the ventral. 



Elytra in 13 pairs, borne on segments 2, 4, 5, 7 21, 



23, 25 ; deeply imbricate, covering prostomium as well as entire 

 dorsal surface. Elytron of first pair somewhat triangular, 

 areolate, provided with spinigerous processes in antero -lateral 

 parts. That of second pair convex posteriorly and with deep 

 notch on anterior border for accommodation of the elytrophore of 

 the first pair. Those of third pair (fig. 9) and succeeding pairs 

 somewhat elongate, with anterior concave and posterior convex 

 border, areolated, provided with spinigerous processes in postero- 

 lateral parts (fig. 10), without cilia on margin ; secondary areola- 

 tion (fig. 11) distinctly observable under the microscope. Elytral 

 attachment large, oblong, postero-lateral in position, 



Anus dorsal, bordered by the last pair of elytra, 



