MYRIOPODA FROM BURMA 821 



Ikxhj flat, keels at summit of sides and distinctly raised, mar- 

 gins mucii thickened, posterior angles hardly acute and only 

 for about the H"* to the 18"" surpassing tlie line of the po- 

 sterior border of the tergum ; the hinder border of the keels 

 straight or only very lightly convex, the notch at the base 

 shallow. 



Length 39 mm. ; width 5.2. 



Loc. Kokareet (Tenasserim). Two male specimens obtained 

 by Sig. L. Fea. I have great pleasure in dedicating this species 

 to Dr. R. Gestro, the able Vice Director of the Museum of Na- 

 tural History at Genoa. 



83. Ox^tlioiiiox'plia, oatesii , sp. u. 



(Fig. 17-176). 



a^ Colour; P' tergite piceous, its keels only Havous. Keels 

 of all the segments and the caudal process Havous : there is 

 also a clearly defined flavous or brunneo-fiavous band running 

 along the posterior portion of the terga from keel to keel ; th-e 

 rest of the dorsal surface black ; lateral surface black , a clear 

 yellow spot above the legs which are flavous or ochraceous, 

 the antennae brunneo-flavous the distal two segments fuscous; 

 sternal areas ochraceous. 



Antennae of medium length and thickness, not incrassate, seg- 

 ments 2-0 subequal. P* tergite wider than head, with convex an- 

 terior and straight posterior border; keel depressed witli its hinder 

 border produced slightly forwards and its angle acute. 2"*' tergite 

 of the same width as the P^ and 3"^, its keel depressed, well- 

 developed, posteriorly angled, slightly lower than those of the 

 1st and S''*^; 4"^ tergite with its hinder border less convex than 

 in 0. insiUaris, and the angles of its keels produced slightly 

 beyond the level of the hinder margin of the keel-bearing por- 

 tion. Upper surface of body flat; keels horizontal and rising near 

 the summit of the sides, well-developed, with convex anterior bor- 

 der, straight external border and posteriorly produced angles, mar- 



