THE MYRIAPODA OF NORTH AMERICA. 77 



moderately large. Ventral plates with a distinct median suleus; pores 

 on posterior part. First pair of legs moderately short, anterior and 

 posterior subequal. Posterior coxae strongly inflated, pores large and 

 small, about twelve. Anal legs of the female slender, claw large. 

 Pairs of legs of female 43. Length of female .'37""". 



Habitat. Little Rock. 



This species i.j named in honor of Dr. J. C. Brainier. State geologist 

 of Arkansas. 



The collection contains one specimen of this species. It is related 

 to botltriojHi. but is distinguished by a smaller number of legs and its 

 large posterior coxa and pores. 



22. Geophilus perforatus (McNcill). 



Scliendila perforata, McXeill, Proc. U. 8. Nat. Mas., 325, 1887, ( Pciisarnla, Kla.) 

 Abundant throughout the State. 



23. Geophilus okoloiiee, sp. riov. 



Frontal plate absent; anal pores absent. Fulvous, head and antenna- 

 darkest. Rather slender, very slightly attenuated anteriorly and pos- 

 teriorly, smooth, very sparsely pilose and punctate. Prehensorial feet 

 smooth, punctate, sternum wider than long (4:3.5); coxa of about equal 

 length and width, unarmed; claw moderately curved; teeth almost obso- 

 lete. Cephalic plate slightly longer than wide, suboval, posterior margin 

 truncate, sparsely punctate and pilose; prebasal plate exposed; basal 

 plate much wider than long (5:2). Antenna- short, penult and ante- 



jnult joints not noticeably shortened. Dorsal plates distinctly bisul- 

 cate. Anterior spiracle rather large, oval, oblique, median and pos- 

 terior smaller. Ventral plate with an indistinct median suleus; pores 

 not manifest. First pair of legs short, anterior and posterior subequal. 

 Posterior coxa scarcely inflated, pores absent; last ventral plate wide, 

 side moderately converging, not densely pilose. Anal legs produced, 

 armed, rather densely pilose beneath, crassate. Pairs of legs of male 

 01 ; of female (13. Length of body 40""". 



Huh it at. Okoloua. 



There are two adults of this species in the collection. It is separated 

 from other North American species by having no coxal pores and the 

 prebasal plate exposed. 



24. Geophilus salemensis liollmun. 



I have seen one specimen that was collected near Little Hock by .Mr. 

 Butcher son. 



25. Cryptops hyalinus Say. 







Cryptops kyalina Say, .Jmini. I'liila. Acad. Nat. Sri., in, ISi'OiK. Florida i : say, 

 omvrcs Knt.. sp. 3, 1X>; Newport, Trans. I, inn. Sue. |u:, ls|| : Newport, 



Cat. Myr. Brit. Mns. Cliil. (id. ix.lii; W 1. Trans. Ann-r. I'lnlo-. Soc. Itis, 



1865; Underwood. Knt. Amrr.. H.~>, 1X87. 



Cryplopa hyalinua Korli.Syst.il. Myr., 175, 1S47; Gorvai-. Api"rr>. i\. :.".'::. 

 1847. 



