NO. 1169. THE FAMILY STBIAEIIDm— COOK. 675 



perhaps representing those of the Chordeuraatoidea; this is opposite 

 the anterior ends of the carinse. 



Preanal scale very broadly rounded or subtrnncate. 



The setiferous papillte (spinning organs) of the last segment have 

 their bases much longer and more slender than in the Craspedosoma- 

 tidse. 



This species is not uncommon in dry woods in the District of 

 Columbia. It seems most abundant in the woods near the Catholic 

 University, to the south of the Soldiers' Home grounds. Tlie creatures 

 frequent small hollows tilled with decaying leaves in rather open dry 

 woods consisting mostly of oak. Other myriapods were scarce, and 

 the Striaricv outnumbered all other species combined. It has been col- 

 lected also in the Zoological Park and at Glen Sligo. 



The distinctness of these animals from the Craspedosomatidte is very 

 evident in the living condition. The Craspedosomatidi^' are the most 

 active and fleet of foot of the Diplopoda, while Striaria is as slow as 

 the slowest Polyzonmm. When disturbed they at once coil up tightly 

 and remain in tliat condition several minutes, sometimes for a consid- 

 erable j)eiiod, after which they slowly uncoil and as slowly move away. 

 All their movements are sluggish and clumsy, their whole dependence 

 being apparently placed on their strong armor. 



STRIARIA CALIFORNICA, new species.- 

 (Plate LIII, tig. 2a.) 



Type.— No. 776, TJ.S.N.M. 



Locality. — California. 



Lengtii, 13 mm.; width, 1.4 mm. 



Color in alcohol pale horn- brown. 



Distinguished from the i^receding by the larger size, more cylindrical 

 body, less constricted behind the head, proportionally somewhat smaller 

 dorsal and larger ventral cariniie, fewer and smaller tubercules. First 

 segment proj)ortionally slightly smaller than in 8. granulosa. 



Eyes, seven, of different sizes and without regular arrangement. 



Dorsal carinse ^equidistant; the lateral not differing from the others 

 in this respect. 



Anal segment not so rough, dark colored, darker than those imme- 

 diately preceding it; apical lobes broad, the notches narrow. 



Length, 13 mm. ; width, 1.4 mm. ; habitat, California, probably near 

 Sausalito. 



Collected by Major Thomas L. Casey. A single female specimen. 



