98 Mr. G. Newport on new species of Myriapoda. 



23. S. cristata, mihi. Brown ; antennae and legs greenish ; teeth 

 six, the internal one on each side bifid ; posterior segment convex, 

 with a median longitudinal crest ; legs short, rounded, with five 

 small acute spines ; inferior surface with six spines in three series, 

 two in each series. China. 



V 24. -— canidens, mihi. Dark olive ; teeth eight, the three internal 



ones on each plate small and approximated, the external one large, 

 acute and projecting outwards ; margins of legs with eight or nine 

 spinulse ; inferior surface slightly excavated, with eight spinulse. 

 Egypt. 

 25. — gigfis. Leach. Bright ferruginous; head green; legs with 

 dark olive fasciae. Venezuela .'' 

 i4 26. — spinigera, mihi. Brown ; posterior pair of legs slender, flat- 

 tened, almost equal in size throughout, with the internal superior 

 margin and the inferior surface with double rows of sharp spines ; 

 teeth eight, acute, irregular. Tripoli. 



V 27. — affinis, mihi. Greenish brown, head and mandibles ferrugi- 



nous ; legs yellowish ; basilar joint of posterior legs excavated, with 

 three rows of minute spines. Greece. 



Section B. Latidentata, mihi. The internal tooth broad and dilated 

 at its margin ; the external one small, acute and distant. 



/ 28. S. alternans, Leach. The internal labial teeth sharp, spatulate ; 

 mandibular tooth with a minute tubercle near its apex ; posterior 

 pair of legs subconvex, with numerous minute black spines, from 

 thirty to forty in number, on their internal margin and surface, with 

 the angular process multifid ; inferior surface with from fifteen to 

 twenty spinulse, in little irregular transverse clusters ; preanal scale 

 small and elongated, margin rounded. Length six inches. S. Ame- 

 rica ? 



/ 29. — Grayii, mihi. Dark ferruginous; head with two slight lon- 

 gitudinal ridges ; basilar joint of the posterior pair of legs elon- 

 gated, with from twelve to fifteen minute spines arranged in 

 three or four oblique series on the internal margin and surface ; 

 inferior surface with about fourteen minute spines in three alter- 

 nating series ; preanal scale narrowed, elongated, posterior margin 

 straight. Length 6^ inches. 



30. — complanata, mihi. Body depressed, dull reddish brown, with 

 the antennae and legs, except the posterior pair, greenish ; internal 

 tooth on each side denticulated ; internal margin and surface of 

 posterior legs with twenty or more minute spines in three oblique 

 series ; inferior surface with seventeen. St. Kitts, W. Ind. 



31. — multispinata, mihi. Dark brown, antennae and legs green; 

 internal margin of posterior pair of legs with six or seven minute 

 spines in two series, a series of six on the internal surface, and 

 from seventeen to twenty in three irregular series on the inferior. 

 Length 4| inches. St. Kitts, W. Ind. 



Section C. Longidentata, mihi. Teeth large, acute, and lanceolate. 



32. (S. spinicauda, mihi. Light brown with a single dark-coloured 

 longitudinal dorsal line ; posterior legs long, with a single large 



X 



