Myriopoda of (lie ^ Challenger'' Expedition. 125 



runs witliout interruption from the fore part of the head to 

 the hinder end of the body ; moreover the lower sutfaed bnd 

 legs are also orange-yellow, these last being beautifully ringed 

 with black. The head, too, is deeply excavate^!, the stoma-; 

 saddles are elevated, and the generative forceps has its' distal 

 segment smooth and not serrate internally. 



Sc. planiceps seems to have a wide distribution in South 

 Africa. Porath has recorded it from the Cape of Good Hope 

 and Caffraria, and the British Museum has a single example 

 which was collected by Gueinzius at Port Natal. 



Fam. Lithobiidae. 



Henicops macidatus^ Newport. 



Heiticops viaculata, Newport, Trans. Linn. Soc, Zool. xix. p. 372, 



pi. xxxiii. fig. 27, and pi. xl. fig. -3 ; id. Catalogue Mvr. lirit. Mas. 



p. 22. 

 Henicops mij)ressiis, Hutton, Ann. & Mag. Nat. Hist. (4) xx. pp. 114, 



115 (1877) ; id. Tr. N. Z. In§t. X. p. 288 (1877). 

 Henicops maculata, Haase, " Die Indisch-Austral. Chilopoden," Ab- 



liaodlimgen Dresden Museum, 1887, no. 5, p. 3(3; Pocock, Ana. & 



Mag. Nat. Hist. (6) viii. p. 154 (1891). 



Loc. Wellington (New Zealand). 



Henicops in$ignis, Pocock. '■ '' '■''"■■''■^^' 

 Henicops insignis, Pocock, Ann. & Mag. Nat. Hist. (6) viii. p. .^54. » 

 Loc. Juan Fernandez. 



■ . i ! - . 



Henicops tristani^ sp. n. ' - 



Colour fusco-ochraceous ; antennse entirely flavous, legs 

 flavous distally. 



Head convex from side to side, the anterior median portion 

 angularly notched. Antennce short, copaposed of 23-2-4 

 segments. 



Coxce of the maxillipeds produced forwards mesially and 

 armed with 2 + 2 sharp teeth. Tergites smooth, with all 

 their posterior angles rounded and their hinder borders hot 

 emarginate. Coxal pores rounded, 3, 3, 3, 2. Generative 

 forceps of the female with two short spurs rising just below 

 the apex of the internal posterior angle of the segment ; claw 

 simple. 



Length up to 10 millim. . tiu.- •'1 



Loc. Tristan Island (Tristan d'Acuuha). ' '" "'""^ i 



This species is closely related to //. africanus of Porath, 

 from South Africa. It appears to ditFer, however, in having 



