172 



THE MYRIAl'OUA OP NORTH AMERICA. 



Fig. 12. 



Fig. 13. 



< i en. 8. SCOLOPOCRYPTOPS, Newp* 



Ocelli nulli, segmeDta podophora 28, postremum angustum; segmentum oephalicutu imbricatum. Labium 

 edcntulum. Antcnnoc 17 articulatao. 



Ejes none; feet-bearing segments, 23 ; the last narrow; cephalic segment imbricate. Labium edentate. An- 

 tenna), 17 articulate. 



S. sexsi'inosa. 



S. saturate aurantiaca ; pedibus flavis, subeompressis ; antennis flavis, intcrdum aurantiacis, pubescentibus J 



capite labio mandibulis soutis sternisque punctatis; sogmento oephalieo 

 subovato; labii margine antico fere recto; scuto postremo angusto, longo; 

 pedibus postromis elongatis, baud pilosis; articulo basali tibiali longiore, 

 spina unica magna in supedicic inferiors et altera minore mediana in 

 margins supcriore interno et rare altera articulari tainutissiuia j appendi- 

 cibus analibus latoralibus valde elongatis, profunde dense punctatis, singula 

 spina apicali unica altcraque minutissima in angula supcriore posteriore ; 

 squama preanali postice vix emarginata. (Fig. 12.) 



Deep orange; feet yellow, somewhat compressed; antennae yellow, 

 sometimes orange, pubescent; bead, labium, mandibles, scuta, and sterna punctate; cephalic segment subovate ; 

 anterior margin of the labium (Fig. 13) nearly straight ; last scutum narrow, long ; last feet elongate, not pilose ; the 

 basal joint longer than the tibial, with one large spine upon its inferior surface, and another smaller median on Us 

 innc- superior margin, and rarely a third very small articular; lateral anal appendages very elongate, densely pro- 

 foundly punctate, each with a single apical spine, and another very minute one upon their superior posterior 

 angle; preanal scale posteriorly scarcely emarginate. 



CRTPTOF8 s.xsi-inosus. Say, Journ. Acad. Nat. Sci, ii, p. 112, 1821 ; Id. (Lequien cd.) (Euvres Entom. i, 



p. 24; (Jervais, Ann. Nat. Janvr., 1887, p. 51. 

 Lucai, Hist. Nat. Anim. Art., p. 517. 

 Newport, in Ann. and Mag. Nat. Hist,, xiii, p. 100. 



ScOT.OPOCRYP. SEXSPINOSA, Newport, Linn. Trans., xix, p. 407. 



Gervah, Apt. iv, p. 297, et Tabl. Myriap. Amer. (Exp. Ameriq. dc Sud, part. 



sept.),' p. 86. 

 u » Wood, Journ. A. N. S., 1863, p. 87. 



In this species the superior spine of the lateral anal appendages is very minute, and 

 occasionally present only on one side. The color varies from milk-white to a dark reddish 

 orange The lighter shades are found in those individuals which have recently shed their 

 skins 3 The color given in the diagnosis may he considered as that which characterizes the 

 species, being the one to which it finally attains. The inferior surfaces of the posterior 





ii 



II 



* Lion. Trans., vol. xix, pp. 27ft, 40ft. 



