Notaapis 



49 



Pyriform, post, margin very round. No Lain, nor Trlam. yet Lam. hairs 

 persist and are serrated. Psstg. dorsal near together. I'sstg. org. medium 

 length, with short peduncle and almost globular head. Intlam. hair long, 

 flexible, pectinated. Some of the hairs on legs pectinated. Dors, of Abd. 

 narrow anteriorly, broad posteriorly and there dcflexed on to ventral surface. 

 A circular row of very long, flexible, serrated hairs round Dors, of Abd. 

 and a few similar hairs nearer centre. — Nph. Usually appears like a heap 

 of small pieces of lichen etc. with a forest of long serrated hairs arising 

 from it; when clean, pale fawn, leathery, almost oblong. Host, narrow: hind 

 part of Cephth. broad. The 2 rostral haii-s, cross; these and Intlam. hair 

 and some hairs on legs serrated. Abd. flattish, parallel-sided. Notogastral 

 skins carried flat and concentrically, but shrivelled, each skin has a ring of 

 hairs like those on Dors, of Abd. — Im. L. ca. 560 p. 



On lichen. England. 



S\ibdiv. lib. Sp. 17 26. Dors, of Abd. without projecting ant. corners; 

 Ung. mond. 



17. N. clavipeetinata Michael 1885 A 7 , c, Michael in: J. R. micr. Soc, ser. 2 

 r.o p. 392 t.7 f. 6 1888 N. C, Michael. Brit. Orib., V.2 ]). 387 t. 32 f. 7— 11 | 1886 

 Dameosoma clavipectinatum, Berlese, A. M. S., Crypt. II p. 54. 



Im. Lightish yellow-brown, polished. No Lam. or Trlam. Psstg. 

 org. with long thin peduncle and short flat pyriform head; 

 bearing radiating bristles. Abd. elliptical; 2 rows of fine hairs on Dors, 

 of Abd. and a row round margin. — Nph. Much like Im., but nearly white ; 

 but Psstg. org. without bristles of Im., but rough. Lam. hair and Intlam. 

 hair bipectinated. — Im. L. ca. 330 |u. 



England. 



18. N. juncta Michael 1885 N.j., Michael in: J. R. micr. Soc, ser. 2 v. 5 p. 390 

 t.7 f.3 1888 N.j., Michael, Brit. Orib., v.2 p. 365 t. 28 f. 9— 12 | 1896 Oribatulaj., 

 Berlese, A.M.S., Crypt. II p. 59. 



Im. Light yellow-brown: polished, without markings. Short pyriform. 

 Lam. thin blades on edge, widely separated posteriorly, but approaching 

 so close anteriorly as to touch in centre of Cephth. slightly undu- 

 lated. C. lam. very long. Lam. hair terminal. Psstg. org. with short 

 peduncle and longish fusiform head. Femora broad, thin, with large blades. 

 Tibiae much enlarged at distal end. Ung. mond. Abd. a short ellipse, 

 truncated anteriorly. Antero-lateral corners of Dors, of Abd. slightly pro- 

 jecting, not as much as those of N. exilis, N. tibialis etc. L. ca. 220 |u. 



In moss on trees. England. 



19. N. lacustris Michael 1882 N.I., Michael in: J. R. micr. Soc, ser. 2 c. 2 

 p. 12 t. 2 f.6 1888 N. I, Michael, Brit. Orib., v. 2 p.399 t.33f.l— 9; t. 30 1. 12 | 1896 

 Sndovertex (s\c\)l., Berlese. A. M. S., Crypt. II p. 46. 



Im. Dull red-brown, generally partly covered with whitish deposit, 

 smooth, not polished, punctured, punctures about 7 |u apart. Maxillae divided 

 into 2 bifid lobes. No true Lam. or Trlam. but 2 pairs of irregular ridges one 

 of which may represent Lam. No other markings on Cephth. Psstg. minute 

 round holes near base of Cephth. Psstg. org. short, el a v ate, but almost 

 always broken off, leaving the part of the peduncle within Psstg. only 



Das Tierreioh. 3. Lief. : A. D. Michael, Oiibatidae. 4 



