230 AKGYOPID^. 



Genus ORDGARIUS, Keyserling. 



Ordgarius, Keyserling, in Koch, Arachn. Austral. 1886, p. 114 ; Simon, 

 Hist. Nat. Araign. i, p. 885, 1895. 



Carapace convex, armed above with a few symmetrically placed 

 tooth-like tubercles. Abdomen very large, wider than long, widely 

 rounded laterally, tuberculate above. 



Type, 0. monstrosus, Keys. 



Distribution. From. India to Australia. 



Synopsis of Indian Species. 



a. Posterior end of abdomen rounded and 



tubercular O. hobsoni, p. 230. 



b. Posterior end of abdomen conically produced 



and tubercular O. sexspinosus, p. 230. 



253. Ordgarius hobsoni, O. P. Cambridge, P. Z. S. 1877, p. 562 r 



t. hi, tig. 3 (Cyrtaraclme). 



2 . Colour a tolerably uniform dull brown, legs and palps 

 yellow ringed with black, abdomen ornamented 

 in front in the middle with a large yellow patch. 

 Carapace armed behind with a pair of small 

 tubercles and a large median conical tubercle, 

 with a smaller one in front of it on the cephalic 

 portion. Legs without spines. Abdomen broader 

 than long, the anterior border emarginate ; 

 posterior extremity bluntly rounded, raised in 

 front into a pair of large rounded protuberances, 

 -p. 76 studded with larger and smaller rounded tubercles . 



Ordgarius hobsoni, Total length of abdomen 9 mm., width 11-5. 

 2. Loc. Ceylon : Puuduloya {Green). Bombay 



(Hobson). 



254. Ordgarius sexspinosus, Thorell, Bih. Sv. Vet.-Akad. Hand/. xx r 

 pt. iv, p. 48, 1894 (Notocentria). 



$ . Differing from the preceding in having the tubercles on the 

 carapace very long and spiniform, and the abdomen furnished with 

 a few low tubercles on the anterior prominence, with its posterior 

 extremity produced into two upper and two lower conical pro- 

 cesses, considerably overlapping the spinners. 



Total length 6 mm. 



Loc. Burma : Tharrawaddy (Oates). 



Genus OER0STRIS, Thorell. 



Caerostris, Thorell, En//. Resa, Arach. p. 3, 18G8; Simon, Hist. Nat. 

 Araign. i, p. 834, 1895. 



Carapace with thoracic portion low ; cephalic portion strongly 

 elevated, armed with a transverse row of six large tubercles, two 



