THE MYRIAPODA OF NORTH AMERICA. 199 



green; legs and. antennae yellow. Robust, smooth, sparsely -punctate. 

 Head suboval, punctate; sulci absent. Antenna- long, articles 25-27, 

 crassate at base, the first ~> not hirsute. Prosternal teeth 4+4, rather 

 large, inner coalesced; coxal tooth large, inner margin slightly armed. 

 The first four dorsal plates inimarginate, the first without sulci; pos- 

 terior border not wrinkled; sulci of ventral plates deep: last ventral 

 plate rather short and wide; sides straight, converging: posterior bor- 

 der emarginate. Second tarsal joint of all legs except anal pair armed. 

 Anal pair of legs rather long, stout; spines huge: superior-interior 

 margin with 3 or 4, which are arranged in two series; I within; 2 on 

 the interior interior surface; 5-7 beneath and arranged in two or three 

 series; apical process trifid; tibia 1 and tarsi pilose, the latter more 

 densely; tarsi of penultimate pair also pilose; anal pleura- with its pos- 

 terior margin concave, pilose; apex rather short, with 4 spines: a mar- 

 ginal spine. Length, 100""". 



One specimen without any locality, but as all others unlabeled in the 

 collection seem to be from Surinam, I suppose this specimen is from 

 the same place. 



20. Scolopendra sanatillae, sp. nov. 



Diagnosis. Related to Scolopendra occiaentalls Meinert, but differing 

 as follows: Antennae not strongly crassate at base; anal legs short and 

 thick; spines along upper interior side of femora 5 or 6, in two series; 

 along inner side 2-4, in one or two series; beneath 5-7, in two series: 

 apical process absent or, when present, with the spine entire or bifid. 

 The first 8 or 10 dorsal plates not margined. 



Type. ACT. UIOU9, U. S. Nat. Museum. 



Habitat. Sanatilla or Swan Island. Caribbean Sea; V. S. Fish Com- 

 mission. 



This species is described from eight rather badly preserved specimens. 



21. Scolopendra crudelis Koch. 



Ace. 17-100, Snii Salvador. Bahama Islands; U. S. Fish Commission. 

 Numerous specimens. 



22. Cormocephalus, sp. '.. 

 In the collection is a mutilated specimen without any definite locality. 



23. Lithobius sulcipes Stuxbcii;. 



1870. LilliuliiiiH mil ripen Stnxborg. Ofvers. Vct.-Akad. Forh.. 21 (found at rurioiis 



liliii-cx tirouiitl iniiiitli nf . / 1- nine n 1,'irif, Silxnii. 

 No. s:>. l r . S. Nat. Museum, licriii^, Island; Stc.jnruvr. 



24. Lithobius stejnegeri, s]>. nov. 



Diagnosis. Related to LJthl>inx \///r//>r.s Stuxberg, but the claw oi'9 

 genitalia tripartite; coxal pores more numerous. 

 Type. Nos. (!>2 and) 93, U. S. Nat. Museum. 



