46 Annals of the South African Museum. 



GEN. CONILOKPHEUS, Stebbing. 



1905. Conilorpheus, Stebbing, in Herdman's Rep. Ceylon Pearl 

 Fisheries, pt. iv., Isopoda, pp. 11, 13. 



For the reception of a second species the character of the genus 

 must be slightly modified. In the type species, C. herdmani, the 

 inner plate of the first maxillae carries four plumose setae. The 

 form about to be described, however, has only three such setae in 

 accord with the more general custom of the family. Here also the 

 process of the peduncle of the uropods is not exceptionally elongate. 



In the Isopoda of the Pearl Fisheries Report a synoptic table of the 

 Eurydicidse distinguishes the genus Hansenolana, with head and 

 trunk broad, from Conilera and Conilorpheus, with head and trunk 

 narrow. But for the last genus the distinction must now be limited 

 to the narrowness of the head, since the trunk of the new Conilor- 

 pheus is of considerable breadth. 



CONILORPHEUS SCUTIFEONS, n. sp. 

 Plate XXXI. 



The single specimen was difficult to figure and dissect on account 

 of its condition. The front part as far as the fourth peraeon segment 

 was tolerably firm, but in preparation for sloughing, as the new 

 mouth-organs could be seen within the old. The after-part of the 

 specimen, on the contrary, was soft and papyraceous, evidently the 

 result of recent exuviation. 



The species is at once distinguished from C. herdmani by the width 

 of the frontal plate, the broad trunk, the tuberculate ornamentation 

 of peraeon and pleon, and the narrower apex of the telsonic segment. 



The head is less than half the width of the peraeon, the rostral 

 point obtuse, with the frontal lamina extending from below much in 

 advance of it. The anterior margin of the plate is divided into three 

 lobes, of which the middle one is the most advanced, the sides each 

 with a small notch contributing to form a square escutcheon on a 

 curved base narrowly attached to the epistome. 



The first segment of the peraeon is large, nearly encasing the head; 

 its hinder angles are rounded. The next three segments are short, 

 transversely marked with conspicuous lines ; their side-plates are 

 squarish. The fifth, sixth, and seventh segments are large, with 

 more elongated side-plates, and each having a submarginal row of 

 tubercles or denticles. Each of these little processes is furnished 

 with a setule, to which is probably due the sharpened appearance 



