S. I. KUWANA. 



aperture very prominent. Anal ring with six long hairs which extend 

 just beyond the margin. Marginal series of 8-shaped glands double except 

 close to end of abdomen, where it becomes single. A single series of 

 inner-marginal simple pores very prominent. There is a series of short 

 spines just inside of the inner-marginal simple pores. 

 Diameter i-i^mm. 



Habitat: — On Pasania cuspidata Oerst. (Shii) ; Nishigahara, Tokyo. 

 Collected by the writer, June 191 2. 



Note : — -Allied to A. variolosiim Ratz., but distinguishable from it by 

 the S-shaped glands being double instead of being single. The ventral 

 surface of the last 3 and 4 segments provided with a number of circular 

 pores and a few minute spine. 



Nipponorthezia, gen. nov. 



Adult female partly covered with cereous lamellae ; antenna; ot three 

 segments ; legs with the tibio-tarsal segment united. Larva with antennae 

 made up of three segments. 



Nipponorthezia ardisite, sp. nov. 

 (Plate IV, figs. 13-23) 



Adult female : — Brown or yellowish brown ; antennae and legs 

 yellowish brown ; cereous lamellae and marsupium snow white. Frontal 

 lamella is short, not much projecting ; lateral lamellae are five in number ; 

 the first four lamellae broad, flat, rounded on front edge ; the fifth 

 greatly elongated, placed along the sides of marsupium ; caudal lamella 

 arising just at anal orifice, lying low in the middle groove of marsupium. 

 Dorsal aspect naked, segmentation plainly discernible ; in the middle of 

 each segment a pair of longitudinal, narrow, white, lamellate projections ; 

 of these the three pairs near anal extremity are large and prominent. 

 Marsupium varying in length, its margin nearly straight, slightly narrowed 

 towards apex ; its upper side longer than the lower ; longitudinally 



