IVAR TRÄGÅRDH. 
30 
(Schwed. Siidpolar-Exp. 
the genital plate. Genital plate almost square, with rounded angles. Anal plate 
large, pyriform, nearly contiguous with the hind margin. 
Locality: No. 14, in damp moss. One specimen. 
18. Notaspis antarctica MICH. 
1903. Notaspis antarctica Michael. Résultats du Voyage du S. Y. Belgica, Acarida, 
p. 2 — 5. PI. II, figs, i — II. 
Localities : No. 2, 3, 4, 6, 7, 8 and 9. 
19. Notaspis Belgicæ Mich. 
1903. Notaspis Belgicæ Michael op. cit., p. 5 — 6. PI. II, figs. 12 — 19. 
Locality: No. 3. 
20. Oribatula Nordenskjëldi nov. spec. 
(PI. Ill, figs. 4 and 6, text-fig. 56.) 
Average length o, 7 mm; length of abdomen o, 54 mm. Average breadth o, 40 mm. 
Colour , chestnut brown. Form , oval, rounded posteriorly. Texture , smooth, 
but not polished. 
Céphalothorax in the middle not distinctly demarcated from the abdomen, conical, 
with slightly rounded sides and median, anterior, small, rounded projection. 
The larnellce long, low, narrow blades, 
gradually narrowing towards both ends, 
without translamella or cusps, their proxi- 
mal y 4 concealed under the pteromorphae. 
Rostral hairs rather long, reaching beyond 
the tibiæ of the first pair of legs, slightly 
curved, not very near together. Lamellar hairs 
long, nearly as long as the céphalothorax, 
directed obliquely upwards. Interlamellar 
hairs still longer than the lamellar ones, 
slightly curved and directed obliquely upwards and outwards, situated far from each 
other, near to the lamellae. Interlamellar, lamellar and rostral hairs rather scarcely 
clothed with short adpressed hairs. Pseudostigmatic organs short with pyriform, 
bare heads on slender peduncles. Pseudostigmata concealed beneath the ptero- 
morphae. 
Fig. 56. Oribatula Nordenskjoldi , side view. 
75 x- 
