152 



THE MYRIAl'ODA OF NORTH AMERICA. 



Gen. 2. BOTHROPOLYS, Wood* 



Ocelli numcrosi. Coxarum excavationes, parvae, fere rotundas punctiformesque, in sericbus 3 — 4 dispositae. 

 (Fig. 7.) 



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



B. MULTIDENTATUS. 



B. brunneus; segmento cephalico postice marginc elevato; antonnis elongatis, sparse pilosis; articulis basali- 

 Fig. 7. bus 4 longitudine fere aequalibus; laminis dentalibus distinctis, marginc antico subrotun- 



dato, angulis anticis externis subproductis ; donticulis 12 — 19; ocellis utrinquc 32 — 37; 

 scutorum anticorum marginibus et posticis ct lateralibus clovatis sed scutorum posticorum 

 lateral ibus 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 ; donticulcs 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 ; ct Tabl. des Myriap. (Exp. dans L'Amerique du Sud, 



part. Sept.), p. 29. 



B. Nonius, 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. 



Ilab. Eastern United States. 



B. XANTI. 



B. brunneus, segmento cephalico polito, aurantiaco, marginc postico elevato; antennis pilosis; ocellis utrinquc 

 18 ; laminis dentalibus marginc antico rotundato; denticulis 16 — 18, nigris, acutis; scutis valde asperatis, alternis 

 majoribus postice valde emarginatis, alternis niinoribus marginc postico fere recto sed angulis posticis acutis et 

 valde productis. 



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

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

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

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



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



* Journ. A. N. S., new series, vol. v, 1863, p. 15. /Sofyw?, fovea; voXus, multus. 



