708 Icilius, Dulichia • 



than in 1^*; 6*^^ Joint longer than 2*^, slightly shorter than 5*^ of unifonn 

 narrowness ; finger half as long as 5*^ Joint, inner margin setuliferous. Peraeo- 

 pods 1 and 2 robust, more so in ö than 9, spinöse; 4^** Joint very sbort, 

 b^^ subequal to the sbort 2^, 6*^ longer, in d decidedly, in Q less decidedly, 

 subcbelate; tbe finger closing against a little spinöse palm or wideued apex of 

 6^^ Joint. Peraeopods 3 and 4 equal, similar to preceding peraeopods but 

 witbout palm; 2^ Joint channelled behind, outer margin cut distally into 2 teeth. 

 Peraeopod 5 mucb longer, 2*^ Joint somewbat expanded bebind witb a proximal 

 lobe, distally as in peraeopods 3 and 4. Pleopods 1 — 3, peduncle rather sbort 

 and broad. üropods 1 and 2, outer ramus tbe sborter, botb spinöse, finely 

 pectiuate; peduncle longer tban rami in uropod 1, subequal to longer ramus 

 in uropod 2. üropod 3, peduncle sbort, produced obtusely on inner side; 

 inner ramus ratber long, outer sbort, narrow (not sbown in Fig. 125 p. 707). 

 Telson subacute, rather longer tban broad. Colour, covered witb minute red 

 or grey spots. L. (distended) about 9 mm. 



Balabac Passage (north of Borneo), depth 56 m; Port Jackson [East-Australia], 

 on calcareous sponges; Port Phillip (Melbourne), depth 60 ni. 



7. Gen. Dulichia Kr0yer 



1845 Dulichia (Sp. un.: D. spinosissima), Kreyer in: Naturh. Tidsskr., ser. 2 v.l 

 p. 512, 521 I 1888 D., T. Stebbing in: Kep. Yoy. Challenger, u 29 p. 213 | 1893 D., 

 A. Della Valle in: F. Fl. Neapel, w. 20 p. 320 | 1894 Z>., G. 0. Sars, Crust. Norway, v. 1 

 p. 634 I 1857 Dyopedos, Dulichia, Bäte in: Ann. nat. Hist., ser. 2 v.l9 p. 150, 271. 



Body (Fig. 126 p. 712) slender; peraeon segment 1 the sbortest, 

 6*^ and 7*^ coalesced. Pleon of only 5 segments besides the telson, the 

 4^^ elongate. Head produced in front. Side-plates small, not contiguous. 

 Antenuae 1 and 2 long and slender, peduncle mucb longer tban flagellum. 

 Antenna 1 the longer; accessory flagellum very small. Upper lip slightly 

 bilobed. Mandibular palp not very large, 3*^ Joint narrow. Maxiila 1, inner plate 

 small. Maxilla 2, inner plate fringed on inner margin. Gnatbopod 1 

 not subcbelate, 5*^ Joint larger tban 6*^ Gnatbopod 2 in c? subcbelate, 

 6*^^ Joint powerful. Gnatbopod 2 in 9 similar to gnatbopod 1, but witb 

 shorter 5*1^ Joint. Peraeopods 1 and 2 small, 2* ratber longer than 1^*. 

 Peraeopods 3 — 5 stronger, ratber or very long, peraeopod 5 the longest; 

 2^ Joint linear, 4*** elongate. Branchial vesicles naiTOw, usually on gnatbo- 

 pod 2 and peraeopods 1—3. Marsupial plates very broad, especially the 

 2 middle ones. Pleopods large; peduncle long and strong. üropods 1 

 and 2 witb naiTow, linear, unequal rami. üropod 3 entirely wanting. 

 Telson oval. 



10 species. 



Sy^nopsis of species: 



{Some peraeon and pleon segments with dorsal 

 projections 1. D. spinosissima . p._709 

 No peraeon and pleon segments with dorsal pro- 

 jections — 2. 



{Side-plate 1 in (J produced forward in spine-like 

 form — 3. 

 Side-plate 1 in cJwithout spine-like projection — 4. 



