rFroiii /V.w. t'. S. Sal. Mh:, x, 1MX7. pp. 2.M-2IW1. 



NOTES ON THE NORTH AMERICAN LITHOBHOiC AND SCUTI- 



GERIDiE. 



BY CIIAKI.R8 II. l«iI.|.M.\N. 



In examining: the roUectinii of inyriii|M»ds lu'lon^jin;; to the miistMim 

 of tlu' Itidiaiia University, I have found a niunlier of speeies new to 

 science. On account of the confu.sc<l conditiiui of our North Anicricau 

 niyriopoda, I hav«' deemed it best to introdiuc a dcsjiiption of the 

 known species end>ia<ed in the same <'oUection, as well as the descrip- 

 tion of those species supposed to he new to science. 



The tyi>es of the new species have been deposited in the United 

 States National .Museum. 



Family A.— IdTHOii 111 ).E. 

 (JeniiH I.— LITHOBIUS L^ac h. 



The foUowinjj key is only for the species in tlie present [)aper. The 

 last lej^s itt'lurentiiH beinj; lost. I have not inchuh'd it. In counting the 

 Npines I have also included the (;law'. 



•Posttriiir uiijjlfs of none of the tlorwul plates produced. 

 a. Pciniltiniatf pair of feet iirmed with t Urvr spines ; coxal j>orf8 in a siufrle series, 

 I'oiind. 

 b. Aual (lair of feet armed with one spine. 

 c. I'osterior coxa' unarmed. 

 (I. I'rosternal tectli t-S; joints of the antennai 2()-23. 



e. .Foints of the last jiair of legs not provided with or produced into knots. 

 ./■. First pair of feet armed with 0, 1, 1 spines; claw of the female geni- 

 talia liii»artite Koeiiii, 1. 



ff. Sjiines of the lirst pair of feet 1, 3, 2; claw of the female genitalia 



tripartite MiXNESor.*:, sp, nov., 2. 



f/f. Spines of the first pair (tf feet 2. 2, 2-2, 3, 2; claw of the female 



genitalia whole Hii.ahiatus, 3. 



ee. Third and fourth Joints produced into knots; spines of the first pair of 



feet 2, 3, 2; clawof the female genitalia tri[)artite,TuBKR,9p. nov., 4. 



dd. I'rosternal teeth 10-12; Joints of the antenna- 24-2!>; spines of the fir.«t 



pair of feet 2, 3, 1-3, 3, 2; claw of the female genitalia whole; 



color, yellow brown Proridens, sp. nov., 5. 



cc. CoxiP arme<l with a single sj)ine; prosternal t«-eth, 4; Joints of the antenuse 

 20; spines of the first pair of feet 1, 2, 1-1, 3,2; claw of the 



female genitalia tripartite PcLLCS, sp. nov., 6. 



bb. Anal feet armed with two spines; prosternal teeth, 4; Joints of the anteunje 

 20; ocelli, l><-25; spines of the first pair of feet 1, 3, 1; claw of 



the female genitalia tripartite THii.oni's, sp. nov., 7. 



bbb. Anal feet anned with three spines; coxa' with an indistinct spine; prosternal 

 teeth 4; Joints of antenna' 20-.31 ; spines of the first ]»air of feet 



2, 3, 2 ; claw of the female genitalia tripartite 



Cakdinalis, sp. nov., 8. 

 21 



