Scutovertex, Cepheus 



31 



- Nph. Light brown; very like that of Oribata ovalis. 2 square spaces, 

 one in front of the other, in central line of Cephth., each divided by a median 

 ridge. Psstg. dorsal near together. Psstg. org. long, lanceolate; Dors, of Abd. 

 flat, deeply and irregularly wrinkled. - - Im. L. ca. 600 ju. 



In moss. Algeria, England. 



S. sp., (Berl.) 1887 Eremaeus ovalis (err., non C. L. Koch 1841 !), Berlese, A. 

 M.S., fasc. 35 nr. 7 j 1896 Scutovertex o., Berlese, A. M. S., Crypt. II p. 46 |j non 1879 

 S. sculptus, Michael in : J. R. micr. Soc., v. 2 p. 242. 



Im. Blackish brown; dull, rough. Lam. straight, narrow blades on edge. Trlam. 

 a low ridge; C. lam. very short, hardly existing. Psstg. org. with long thin peduncle 

 and fusiform, spinous head. Abd. prolongued anteriorly, rounded posteriorly. Dors, 

 of Abd. with clear polished, trapeze-shaped space near ant. margin, central parts 

 irregularly rough; several diagonal ridges on hind part, the 2 inner forming a. V. ; 

 4 small clavate. spinous hairs on hind margin. L. 500 (a. 



In moss. Italy. 



Var. (1887 Eremaeus ovalis var. siculus, Berlese, A. M. S., fasc. 35 nr. 8.) A 

 central ridge from ant. margin of Abd. along Vertex. 2 short longitudinal ridges on 

 dors, surface of Abd. near ant. margin. Markings on dors, surface of Abd. wavy irregular 

 lines of minute tubercles. No clear polished 

 space. No ridges. Sicilia (Palermo). 



2. Gen. Cepheus C.L.Koch 



1835 Cepheus, C.L.Koch. C. M. A., 

 fasc. 3 1. 11 ! 1842 C., C. L. Koch, Ubers. 

 Arach., v.3 p. 104 ' 1855 C., Nicolet in: 

 Arch. Mus. Paris, 9. 1 p. 444 | 1884 C., 

 Michael, Brit. Orib., v. 1 p. 284. 



Body rough and sculptured, 

 dotted or reticulated. Dors, surface 

 of Abd. separated from Cephth. by 

 an unbroken line. Lam. large, undu- 

 lating, blade-like, light-colored, sloping 

 or horizontal. Tectp. usually very 

 large. Femora without thin peduncles. 

 Ung. trid. 



5 good and 1 doubtful species. 

 Key to the good species. 



/ Psstg. org. almost globular, sunk in Psstg. Markings 

 on Dors, of Abd. double rows of alternate pits; 



1 ' a ridge between each double row. - - L. 600 n 3. C. ocellatus 

 I Psstg. org. projecting from Psstg. ; markings on Dors. 



I of. Abd. irregularly scattered 2. 



I Ung. hetd; Lam. separated anteriorly by a wide 



2 space. L. 800 |u i.e. bifidatus 



I Ung. homd. ; Lam. nearly touching anteriorly 3. 



I Psstg. org. fusiform ; hairs on Dors, of Abd. long. - 



3 \ L. 1,25 mm 5. C. variolosn 



I Psstg. org. clavate 4. 



/ Psstg. org. long and straight; Intlam. hair in the 



usual position. L. 900 |u 4. C. tegeocranus . p. 32 



4 / Psstg. org. short and recurved; almost pyriform; 



Intlam. hair springing from base of Lam. itself. 



C. bifldatus ( S5 /,). 



p. 32 



p. 32 



p. 33 



. 1 mm 2. C. latus 



p. 32 



