152 THE MYRIAPODA OF NORTH AMERICA. 



Gen. 2. BOTHROPOLYS, Wood* 



Ocelli numerosi. Coxarum excavationes, parvae, fere rotunda) punctifonnesque, in seriebus 3 — 1 disposita). 

 (Fig- 7.) 



Eyes numerous. Excavations on the coxa small, almost round and punctiform, arranged in three or four series. 



li. MULTIDENTATI'S. 



B. brunneus; segmento cephalico postice margine elevato; antennis elongatis, sparse pilosis; articulis basali- 

 Fig. 7. bus 4 longitudine fere nequalibus; laminis dentalibus distinctis, margine antico subrotun- 



dato, angiitis anticis externis subproductis ; denticulis 12 — 19; ocellis utrinque 32 — 37; 

 scutorum anticorum marginibus et posticis et lateralibus elevatis sed scutorum posticorum 

 lateralibus solum. 



Brown ; cephalic segment with its posterior margin elevated ; antenna elongate, sparsely 

 pilose; 4 basal joints about equal in length; dental lamina distinct, their anterior margin 

 somewhat rounded, anterior external angle somewhat produced ; denticules 12 — 19 ; ocelli 



on each side 32 — 37 ; both posterior and lateral margins of the anterior scuta elevated, of the posterior only the 



lateral. 



L. multidentatus, Newport, Linn. Trans, xix, p. 365; Catal. Brit. Mas. (Myriapoda), p. 17. 



" P. Gervais, Apteres, iv, p. 236; et Tabl. des Myriap. (Exp. dans L'Amerique du Sud, 



part. Sept.), p. 29. 



B. nobilis, Wood, Journ. Acad. Nat. Sci., vol. v, new series, 1863, p. 15. 



The alternate small scuta are frequently almost concealed by the larger ones. The 

 surface of the scuta is wrinkled. The posterior angles of the larger scuta are very elon- 

 gate. The labial teeth are large and acute, rarely coadnate. Length 1 inch. 



Jl:ib. Eastern United States. 



B. XANTI. 



B. brunneus, segmento cephalico polito, aurantiaco, margine postico elevato; antennis pilosis; ocellis utrinque 

 L8 ; laminis dentalibus margine antico rotuudato ; denticulis 16 — IS, nigris, acutis; scutis valde asperatis, alternis 

 niajoribus postice valde emarginatis, alternis minoribus margine postico fere recto sed angulis posticis acutis et 

 valdc productis. 



Brown; cephalic segment polished, orange, its posterior margin elevated; antenna pilose ; eyes on each side 

 18; dental lamina with their anterior margin rounded; denticules 16 — 18, black, acute ; scuta very much rough- 

 ened, the alternate larger ones posteriorly strongly emarginate, the alternate smaller ones with their posterior 

 margin almost straight, but tin posterior angles acute and very much produced. 



15. XANTI, Wood, Journ. Acad. Nat. Sci., new series, vol. v, 1863, p. 15. 



Journ A. N. S., new series, vol. v, L863, p. 15. fio&pos, (uvea; koXos, omltus. 



