TFIK MYRIAI'ODA OK NOKTU AMKHHA. 133 



of t'vvt shorter thsiii the seroiwl. i><»stnior scancly loiij^vr tluiii tho 

 iiiitrrior. Posterior coxji* slightly iiiHat»'<l ; pores moderate in iiiiiiihers, 

 lary:e and small; last ventral lamina narrow; sides straifflit, eonverg- 

 in;». Last pair of teet not mueli lon;;er than the tirst, eiassate in the 

 male, in tho female s«)mewhat enlarged; spine small. Pairs of feet in 

 the male 07-00, in the; female 7l-7.'{. Length of body 5.'{ ; breadth 



Oliilii 



llahitat. — Hloonnngton, Indiana. 



This species is described fioni lli specimens, and is not nncommon. 

 It has the habits of the other nuMnbers of this genns. 



5. Scolopocryptops calcaratus, sp. nov. 



Head fulvous, body green, the last two segments the same color as 

 the head, feet lighter than the body, antennte dull green, the last few 

 .)«)ints fulvous. Antenna' nwKlerately huig, joints 17, ndnutely and 

 densely hirsute, last joint rather long. Hody not r<)bust, depressed, 

 rather wide, sparsely and shortly hirsute. Pr<;hensoiial feet with the 

 sjMue rather large and slender; sternum a little produi-ed, the anterior 

 margin nearly straight; coxa with a single short, blujit to«»tn. Anal 

 feet moderate, the last thr<'e Joints ratherdensely and minutely hirsute, 

 the rest sparsely; inferior si)ine laige, strong, and sharp; interior 

 small and sharp. Posterior coxa* scabrous, j^iores numerous; spine 

 moderate, sharp. Last ventral lamina wide, narrowed posteriorly; the 

 tip rounded, side nearly straight. Length of body .'{3""" ; lueadth 4""". 



Habitat. — Hloomingtou, Indiana. 



This species is described from (uie specimen, which was found umler 

 leaves in a heavily wooded tract. 



6. Lithobius hovrei. 



[LithobiiiH howei Holliiiun. Amer. Nat., xxi. 81 (1887).] 



BrowMj, head dark, ventral lamina' and feet ])aler; robust, nearly 

 smooth; feet sparsely pilose; cephalic lamina subcpuidrate, (»f about 

 C(\uii\ length and brea<lth. Antennae moderate, Joints 20, rather 

 large, moderately pilose. 0(;elli about 20, in six series. Prosternal 

 teeth (►, moderate. Coxa'i i)ores ^4':^ round. First pair of feet armed 

 with (),2 spines; penultimate lost; last 1,3,3,1. Last pair of feet n«od- 

 erate. Length of body, la""" ; breadth, 2.5""". 



Habitat. — Fort Snelling, Minnesota. 



This species belongs to the subgenus Lithobius. It is described from 

 one si)ecimen taken by Mr. Walter D. Howe. 



7. Lithobius proridens. 



[Lithohim pror'ulenn HoUiniin. Am. Nat., XXI, 81 (1887).] 

 Yellowish-brovvn of varying shades, head darkest, ventral lamiine, 

 feet and antennae light; slender, smooth, feet an<l sometimes the last 

 ventral lamiuic moderately pilose; cephalic laminse subcordate, broader 



