JOURNAL OF ENTOMOLOGY AND ZOOLOGY 167 



to ten; the presence of anal liorns, and a small, weak fm-fula. 

 The genns is not a large one but three species have been found 

 here, one of which Prof. Folsom will probably descrilje later. 



Key to the Genus Xcnylla 



A. Mucrones lamellate, color yellow with blue semicircular 

 s]iots, claws slightly curved. collis n. sp. 



A A. Mucrones narrow, slender and ta])ering. 



B. Mucrones straight, no hook; claws slightly curved, 

 two tenent hair's; anal horns short, little longer than 



]iaiiilla>; color, steel blue. n. sp. 



P>B. Mucrones notched, forming a hook; claws greatly 

 cin-ved, one tenent hai)'; nnnl horns two, short; color, 

 yellow with dark spots. paludis; n. sp. 



Xenylla collis n. sp. 

 (Plate V, Figs. 6-8) 



Description: Length — 1..3 mm. Color — Yellow background 

 with blue semi-circular spots on it; these are fairly far apart 

 and not dense. Antennae — Segments III and IV fused, I short- 

 est; same length as head. Ocelli — Ten, live on each eye spot. 

 Claws — One, slightly curving and fairly stout, two long tenent 

 hairs. Furcula — Very short, only reaching about one-third 

 distance to ventral tube; mucrones, lamellate. Anal horn.s — - 

 Two, short, curved, on separate pipillfp close together, a trifle 

 longer than papillae. Integument — Finely granular, hardly anv 

 long spines except two or three at the posterior end, most of 

 the hairs short and sliahtlv curved. 



Hahitat: Pomona, Ganesha Park, under bark of alder tree, 

 Felu-uary. 



Xenylla n. sp. 



To be described later. 



Habitat: Claremont, on ]iools of water in a newly plowed 

 field after a hard rain; February. Cucamonga Canyon, in the 

 soil under leaves. 



