THE CANADIAN ENTOMOLOGIST. 381 



Very common under damp leaves, etc., at Berkeley, Sausalito and 

 Mill Valley. Previously known from various other points in California. 



6. Lithobius pato7iius, n. sp. 



Dorsum dark brown ; the head paler and more reddish. Antenn?e 

 brown proximally, pale brown or yellowish distally. Venter dark brown, 

 usually a little paler than the dorsum. Legs whitish to grayish brown, the 

 ultimate pairs bright yellow distad. 



Antenni\i short ; composed of twenty articles, which gradually 

 decrease in length from the second to the ultimate, not inclusive. 



Ocelli 4 to 6 (7) on each side, in one straight series or sometimes 

 more irregular, and in two imperfect series, thus, 1+3 or 1+3 (2), 2, 

 those of the upper series well separated and the median one impeifecily 

 divided from the contiguous one of lower row. 



Prosternal teeth moderate in size, acute, and but little darkened ; 

 2 + 2, uniform in size and spacing. 



Angles of none of the dorsal plates produced. 



Coxal pores small, round, 2, 3, 3, 3. 



Last two pairs of coxa^ laterally armed ; last three pairs dorsaily 

 armed. 



Tarsi of anterior legs undivided ( Moiiotarsohiiis). 



Spines of first legs r, i (2), i; of penult i, 3, 3, i, with two claws; of 

 the anal i, 3, 2, o, the claw single. Anal and penult legs in both male 

 and female strongly and uniformly crassate, but little larger in male than 

 in female. 



Claw of female gonopods relatively wide, tripartite; basal spines 2 + 2. 



Length, 5-6.5 mm. 



Localities. — Sausalito, Mill Valley, Berkeley. 



Common under layers of damp leaves. Related to L. figa/ius and L. 

 utahensis, but readily distinguishable by the decidedly and constantly 

 smaller size. 



7. Lithobius angelus, subsp. satanus, subsp. nov. 



Dorsum brown, the caudal margins of major i)lates cephalad of 

 middle darker. Head dark brown, paler in front of the frontal suture. 

 Prehensorial feet orange, the prosternum brown. Antenna? dark proxi- 

 mally, becoming pale distad. Posterior pairs of legs with their distal 

 joints conspicuously orange-coloured. 



Antennn? short, composed of 34 or 35 compactly arranged articles, of 

 which the second is largest, those beyond the third short or very short. 



