Scorpions and Centipedes from Madras. 245 



met with no acceptance. Nevertheless, in accordance with 

 the laws of nomenclature, his name Rhysida must be adopted 

 for those centipedes which, since Newport's days, have been 

 termed Branchiostoma. 



Rhysida immarginata (Porath). 



Branchiostoma immarginatum, Porath, Bib. Sv. Vet.-Ak. Handl. iv. 

 p. 24 (1876). 



Common in Further India, but never before recorded from 

 India proper. 



Heterostoma spinosum, Newport. 

 Hitherto known only from Ceylon. 



Otostigma splendens, sp. n. 



Colour mostly ochraceous, but shining with metallic lustre. 



Head-plate not narrowed behind, a little wider than long, 

 not sulcate. 



Antennce short, composed of seventeen segments, whereof 

 the basal two are naked and the rest pubescent. 



Maxillary sternite convex from before backwards and from 

 side to side ; prosternal plates short, armed with four sharp 

 teeth ; basal tooth bidentate ; claw stout and short. 



Tergites from the fifth strongly bisulcate, from the eighth 

 marginate, from the sixth faintly wrinkled laterally, and in 

 the posterior half of the body obsoletely grooved between the 

 sulci. 



Sternites marked with two very abbreviated sulci in front 

 and with two median impressions, one central, the other pos- 

 terior. 



Anal somite. — Sternite with straight converging sides and 

 lightly concave hinder margin ; pleurre covered with small 

 pores, the process slender, short, armed apically with two 

 strong s pines and above with one strong spine ; legs mode- 

 rately lo ng ; femur armed with six spines, one in the middle 

 of the upper inner margin, two on the under inner margin, 

 and three on t he under outer margin ; tarsus unarmed, claw 

 spined ; tergite not impressed behind. 



Legs. — Tarsal segment of the preanal legs unarmed; 

 proximal tars al segment of the rest of the legs armed with 

 a single spur. 



Three specimens, length 50 millim. 



This species is undoubtedly very closely allied to . cey- 

 lonicum, Haase, but it appears to be very much less wrinkled ; 



