342a Annals of the South African Museum. 



Locality : Paternoster Point SE f S., distant 9 miles (off Saldanha 

 Bay). 80 fathoms. 17/3/02. 1 nonovigerous ?. ss. " Pieter 

 Faure." (S.A.M. No. A63.) 



APANTHURA DUBIA, n. sp. 

 (Plate XXVIII. D.) 



Body very narrow. Head two-thirds length of 1st peraeon segment, 

 eyes small, round, black. Peraeon segments decreasing slightly in 

 length posteriorly, the 7th shortest. Pleon segments 1-5 equal to 

 7th peraeon segment, fused but with sutures distinct at least at the 

 sides. Telson twice as long as broad, ovate, apex subacute, setose. 



First antenna, 1st joint not twice length of 2nd, flagellum 

 3-jointed. 



Second antenna, 5th joint a little longer than 3rd or 4th, 

 which are subequal, flagellum 1-jointed setose, possibly 2-jointed but 

 suture hidden by setae. 



Mouth parts as in A. africana, but epipod of maxillipeds larger. 



First peraeopod, 5th joint not apically produced, 6th joint 

 narrow ovate, palm straight, setose, with a small subacute lobe 

 at base. 



Second and third peraeopods, 5th joint completely underriding 

 6th, apical spine on 6th joint strong, inner margin apparently 

 without the fimbriate denticulations seen in A. africana. 



Seventh peraeopod more slender than preceding peraeopods, 5th 

 joint not underriding 6th, inner margin of 6th joint spinulose, 

 both margins of 7th joint spinulose. 



First pleopod, inner angle of peduncle with 3 hooked spines. 



Uropods, lower ramus a little longer than telson, 2nd joint 

 nearly as long as 1st, twice as long as broad, apex rounded, apex 

 and outer margin setose ; upper ramus a little longer than 1st joint 

 of lower ramus, apically indented, all margins setose. 



Length : 10 mm. ; breadth : 1 mm. 



Colour: Yellowish-white, head and peraeon segments with a 

 triangular group of more or less confluent grey spots, on the head 

 and first three segments the base of the triangle is on the anterior 

 margin, but on the four posterior segments on the posterior margin ; 

 eyes black. 



Locality : St. James, False Bay. (Dr. W. F. Purcell.) April, 

 1901. 2 ? $ . Low-tide under stones. (S.A.M. No. 8826.) 



This may possibly be identical with Anthura laevigata, Stimpson, 

 although it does not agree in having the "first three pairs of legs 



