MYRIOPODA FROM BURMA 825 



Head smooth above, with frontal sulcus, hairy below ; antennae 

 as in 0. doriae. 



P"- tergile distinctly subcarinate at the sides, the anterior angle 

 obtusely rounded. 2"'^ wider than the first, its keel horizontal, 

 anterior angle rounded, posterior bluntly acute, ])elow tlie level 

 of the keel of the l-^t and of the 2>'^. Keels of the 3'" and 4*'' 

 anteriorly rounded, with acute posterior angles, and subdentate 

 lateral edge. Keels of the rest above the middle of the side , 

 well developed, the anterior border lightly convex, prominent, 

 the anterior angle widely rounded, lateral margin only a little 

 thickened, with a notch or small denticle behind the anterior 

 angle, lightly emarginate behind tlie pore, which is visible when 

 the segment is regarded vertically from above ; posterior margins 

 straight, directed obliquely backwards and outwards; posterior 

 angle bluntly acute and a little produced. The transverse sulcus 

 mesially sinuate, well marked from the 5*" to the 18*^. The 

 dorsal surface lightly convex and lightly striate, the posterior 

 border serrulate. The lateral surface very finely granular. The 

 furrow between the two halves of the segments deep and wide, 

 marked in front by a vertical ridge, scarcely beaded. The inferior 

 keel or crest visible to about the 9"" in the form of a posterior 

 sharp tubercle. The sternal surface not spined, normally sulcate. 

 The anal slernite and caudal process as in 0. doriae. 



Legs hairy, with conspicuous claw ; on the 13"' somite femur 

 twice as long as trochanter or tibia, and about as long as tarsus. 



Length about 30 mm. ; width nearly 4. 



(/". Flatter than the 9, keels horizontal and larger; pore more 

 exposed from above; the posterior tooth of the inferior crest 

 visible almost to the end of the body, very strong on the an- 

 terior segments. Legs longer and thicker than in the 9 ; tarsi 

 of legs of anterior 8 somites scopulate beneath, trochanters of 

 all a little swollen above, through not to the same extent as 

 in 0. doriae; the femora also less bowed. Prominence on the 5"' 

 sternum as in 0. doriae. Copulalory feet shorter than in 0. doriae^ 

 not reaching the sternum in front ; and also stouter. 



Length 30, width 3.5 mm. 



