1887.] .PROCEEDINGS OF UNITED STATES NATIONAL MUfeEUM. 325 



The aual plates are each armed with four long hairs. 

 Leugth, 12""". 



Habitat. — Peusacola, Fla. Charles H. Boliman. 

 I had six specimens. 



7. Spirobolus uncigerus Wood. 



This species was common under loose materiiil in the neighborhood 

 of swamps. The segments vary in number from 48 to 51 ; the ocelli are 

 almost complanate. 



8. Mecistocephalus foveatus McNeill. 



Three specimens were found which agree with the description of this 

 species published by the writer. 



9. Schendyla ? perforatus, n. sp., PI. xi, figs. 6 and 7. 



Eather robust, gradually attenuated cephalad, rapidly aud very de- 

 cidedly attenuated caudad, sparsely pilose with long hairs ; yellow, 

 head orange. 



The mandibles are deeply punctate, armed with four not very distinct 

 teeth, the basal joint four-fifths as wide as long, sternum deeply emar- 

 ginate and coarsely and broadly punctate. 



Cephalic lamina length, l'""M5; width, 1.03; deeply and coarsely 

 punctate; cephalic and caudal margins truncate; sides evenly curved. 



Prebasal lamina concealed. 



Basal lamina three times as wide as long with the lateral margins 

 converging cephalad. 



Antennae pilose with long bairs, the articles gradually diminishnig in 

 length distad. 



Dorsum bisnlcate. Praescuta narrow cephalad, broader caudad. 



Sterna, except the last, trisulcate. 



Prnesterna cephalad are wider laterad than mesad ; caudad half as 

 broad as the sterna. 



The last sterna pilose with one mesal sulca, the lateral margins 

 slightly converging, caudal angles rounded and caudal margin slightly 

 emarginate. 



The last praescuta with a deep mesal groove aud two shallow lateral 

 grooves. 



Spiracles round, larger cephalad. 



First pair of feet very little shorter than tbe second pair. 



Feet very slightly pilose. 



Anal coxa slightly, inflated, with two very large pores, the caudal 

 one exposed, the one cephalad partly concealed by the last sterna. 



Anal feet more than twice as long as the penultimate pair, rather 

 densely pilose, and claw obsolete. 



Pairs of feet of the female sixty-one. 



Length, 48™'" ; width, I'^'^.l. 



^r(?>?Y«f.— Pensacola, Fla. Charles H. BollmaL 



