442 Mr. E. I. Pocock on new 



Sterna granular, furnished with blunt tubercuUform 

 processes at the bases of the legs. 



CopuIato7'i/ feet of male strongly curved inwards at the 

 apex and ending in three processes. 



Type E. victorke. 



Eutrachyrhachis margaritatus^ sp, n. (Figg. 16, 16 a.) 



Colour black, the teetli on the keels and the tubercle on 

 the dorsum clear and shining. 



Antennce not exceeding in length the width of the first 

 tergite. 



Etrst tergite convex, depressed in tlie middle, swollen on 

 each side, covered with granules, and bearing in addition 

 four rows of large tubercles. 



Keels of anterior segments depressed, those of the second 

 larger than of the succeeding segments ; npperside of all the 

 keels coarsely granular, with two or three tubercles inter- 

 mixed; anterior and posterior borders serrate or bluntly 

 denticulate ; lateral borders strongly and bluntly, but very 

 variably toothed, bearing two, three, or sometimes four 

 rounded teeth in addition to those at the angle ; but sometimes 

 there are but two, one close to each of the angular teeth, with 

 a rather deeply emarginate space between ; anterior angle of 

 keels strongly shouldered. 



Caudal process with border convex, the superior and 

 marginal tubercles prominent. 



Copulatory organ with its inferior (anterior) process 

 forming a quadrate lamina ; adjacent to this is a median, 

 strongly recurved prong, while above and situated more 

 proximally is another prong which curves beneath or above 

 the last-named towards the lamina. 



Measurements in millimetres. — Total length 43 ; width of 

 second segment 6, of fifth 7. 



Loc. Victoria j\lountain. New Guinea. 



Eutrachyrhachis victorice, sp. n. 



5. — Colour black, apices of keels yellowish red; the 

 tubercles clearer yellowish. 



Dorsal tubercles clearer than in margaritatus ; margins of 

 keels strongly bidentate, with usually one or more small 

 tubercles between them ; the anterior tooth much the largest 

 on the second, third, and fourth segments, the posterior much 

 the largest on the sixteenth, seventeeth, eighteenth, and 

 nineteenth. Caudal process more ovate than m margaritatus , 



