152 Mr. R. I. Pocock 07i new Species of Chilopoda. 



afterwaicls diverges from it and ends in a point at two thirds 

 of the length. Costal area of wings rather broad, red, with 

 paler nervures, and a broad, white, subcostal stripe, which 

 soon becomes fainter and gradually disappears. Lower 

 portion of the wing blackish, slightly subhyaline, with black 

 cross-nervures and numerous pale green spots arranged in 

 irregular transverse bands; the marginal band is regular and 

 of a darker green. 



Length of body 238 millim., head 10, pronotum 11, meso- 

 notum 39, metanotum 13, abdomen 150 ; projecting part of 

 oviduct 15 ; tegmina 20 ; wings 54 ; fore femur 29, tibia 

 26 ; intermediate femur 30, tibia 25 ; posterior femur 42, 

 tibia 36 ; antenufe 54. 



Collected by Mr. T. Last at Mourondava, South-west 

 Madagascar. 



XYIII. — Descriptions of some neiv Species of Chilopoda. 

 By li. L Pocock. 



The types of the species described in the following paper, 

 from various scattered localities, are preserved in the British 

 Museum of Natural History. 



Lithobiidse. 



Lithohius (s. s.) pwvocator, sp. n. 



Colour ochraceous or pale castaneous, anteriorly deeper 

 castaneous ; legs paler. 



Bodi/ very robust, nearly parallel-sided, posteriorly atten- 

 uated. 



Head wider than long, very convex. 



Maxillary teeth 5 + 5 or 6 -f 6, conspicuous, (4 + 4 in young). 



Antenna' moderately long, sparsely hirsute at the base, 

 thickly hirsute distally, composed of from 42-51 segments 

 (young with 34 segments). 



Eyes composed of about 19 ocelli, arranged as follows — 

 1 + 5, 4 or 5, 4 or 5, 4 or 5. 



Tergites in the posterior half of the body subgranular ; the 

 angles of the ninth, eleventh, and thirteenth moderately pro- 

 duced. 



Sternites sparsely hirsute, impressed. 



Leys. — First pair armed beneath as follows: — 0, 0, 2, 2, 1 ; 

 anal legs moderately robust and moderately long, claw uu- 



