147 



with 50 — 66 small, close-set teeth, that reach to near the tip and four, five or six of which 

 stand on the carapace behind the orbital margin; the distance between the i'^' tooth and that 

 margin measures Y; or Y^ the length of the carapace. The carapacial teeth (Fig. 340) gradually 

 increase a little in size, so that, like in Parap. spinipes (Bate), those that are placed above the 

 eyes, are somewhat larger than the following that decrease in size; sometimes, though rarely, 

 these larger pro.ximal teeth arc a little longer, their apices a little farther distant from one another 

 tlian usually, like in Fig. 9 of the original description. The lower margin bears 32—44 teeth, 

 that are a little smaller than those of the upper; the i*^' tooth stands just beyond the tip of 

 the antennular peduncle and the foremost one or two stand just before the anterior tooth of 

 the upper margin. All the teeth of the rostrum are fixed, not movable as did describe them 

 BoRRADAiLE, except the first one or two of the upper margin : as Dr. Calman mentioned, also 

 in the cotypes of the British Museum they are fixed. 



Antennal tooth well-developed, though small, hardly reaching to the cornea of the eye- 

 peduncles when stretched forward ; branchiostegal spine much smaller, directed forward and 

 downward. 



Posterior margin of 3"^ abdominal tergum moderately convex. Sixth somite (Fig. 34(5, 34^), 

 measured dorsally, twice as long as fifth and twice or slightly more than twice as 

 long as high or broad anteriorly; the 6''^ somite, the upper border of which is faintly grooved 

 longitudinally, is rather strongly compressed, so that, when looked at dorsally, the thickness in the 

 middle proves to be only about one-fifth the length. Telson as long as 6'"^ somite, distinctly 

 shorter than the endopodite of the caudal fan, though the longer terminal spinules reach as 

 far backward, endopodite much shorter than exopodite; there are three pairs of small, dorso- 

 latej-al spinules, besides those at the tip. 



Eyestalks of moderate size, cornea more than half the length of the ophthalmopod, ocellus 

 distinct, circular, almost independent, only anteriorly for a short distance in contact with the cornea. 



Antennular peduncle short, reaching only along about the two proximal fifths of the 

 antennal scale, i^^ joint hardly longer than 2"'', stylocerite acute, as long as basal article; 

 flagella subequal, nearly as long as the body, rostrum included. 



Antennal peduncle reaching to the distal extremity of i^' or 2"'^ antennular article, 

 flagellum twice as long as the body, rostrum included; scale as long as the carapace, nearly 

 half as long as the rcstrum, a little more than 5-times as long as wide proximally, rather 

 narrow, distincdy tapering, the terminal spine projecting beyond the truncate tip of the lamella. 



The external maxillipeds reach by the terminal joint and in the male one-fourth, in 

 the female one-sixth the penultimate beyond the antennal scale; Dr. Borradailk was wrong, 

 when describing the third maxilliped as longer by its last two joints than the scale, for in his 

 fio-ure %a it is not the case: Dr. Calm.\n, however, informed me that in the cotypes the third 

 maxillipeds extend beyond the scale by very little more than the last segment. Penultimate 

 joint slightly more than one and a half as long as terminal, exopodite small, reaching along 

 the proximal third of the antepenultimate joint. The legs of the i^' pair project by the terminal 

 joint and one-half to two-thirds the carpus beyond the antennal scale, while they surpass the 

 external maxillipeds by the terminal joint and one-fourth or one-fifth of the carpus; the carpus 



