Gulbarentsia, Exoediceros, Pontocrates 239 



gnathopod 1, palm nither better defined in giiatliopod 1. Peraeopods 1 — 4, 

 6*'' Joint curved, spinöse on convex margin, the shorter 5*^ Joint armed on 

 the opposite margin. Specimen defective after peraeon segment 6. L.? 



Kara Sea (lat. 72» N., long. 65» E.). 



3. Gen. Exoediceros Stebb. 



1899 Exoediceros (Sp. typ.: Oedicerus fossor), T. Stebbing in: Ann. naf. Hist., 

 ser. 7 V.4: p. 208. 



Distinguished from Oediceros (p. 243) by having the rostrum little 

 pronounced, the eyes not contiguous though well developed, antenna 1 with 

 rudiment of accessory flagellum, mandible with well developed molar and 

 the palp's 2^^ and 3*^ joints broad, maxilla 1 with numerous setae fringing 

 the inner plate, maxillipeds with inner plates broad, gnathopods 1 and 2 with 

 5^^' Joint at least as large as 6*^ peraeopods 1 and 2 without finger, peraeo- 

 pods 3 and 4 with minute uptm*ned finger, uropod 2 not reaching so far 

 back as uropod 1 or uropod 3. 



1 species. 



1. E. fossor (Stimps.) 1855 Oedicerus f., Stimpson in: P. Ac. Philad., v.7 p. ;393 

 1899 0. f., Exoediceros sp. typ., T. Stebbing in: Ann. nat. Hist., ser. 7 v.4 p. 208 | 1880 

 0. arenicola, 0. f. ?, Haswell in : P. Linn. Soc. N. S.Wales, v. 4 p. 325 t. 24 f . 3 i 1893 

 Oediceros a., Halitnedon sp.?, A. Della Valle in: F. Fl. Neapel, u 20 p. 556. 



Eyes small, rounded oval. Antenna 1, joints of peduncle successively 

 a little shorter, flagellum attaining to about 24 distally widened joints 

 carry ing small calceoli, accessory flagellum a little blunt Joint tipped with 

 long setae. Antenna 2, flagellum as in antenna 1, at least in Q . Upper 

 lip rounded. Maxilla 2, with outer lobe the broader, inner with row of setae 

 curving from surface along inner margin. Gnathopods 1 and 2 rather larger in 

 <5 than in Q (Haswell), 2*^ gnathopod larger than 1^*, but similar, 5*^*joint distally 

 Wide, setose, lobed, not produced along the oval 6* Peraeopods 1 — 4have the 

 4*^ and h^^ joints distally widened, i^^ much longer than 5*'', both strongiy 

 setose, 6**1 narrow, with rows of setiform spines and spinules. Peraeopods 3 — 5 

 have the 2*^ Joint oval, with numerous setae projecting from within the expansion. 

 Peraeopod 5 elongate as in Oediceros. Uropods 1 and 2 with few spines on 

 the slender subequal rami, which are much longer in the 1^* than in the 

 2** pair. Uropod 3, rami equal, laminar, as long as peduncle, ti'uncate apically, 

 with numerous setae or spines. Telson at least as broad as long, narrowing 

 slightly to broadly rounded apex, length less than peduncle of uropod 3. 

 Colour white with a few blackish spots. L. 5 — 7-5 mm. 



Shark Island and Port Jackson [East-Australia]. Burrowing in sand above 

 bigh-water mark. _ 



4. Gen. Pontocrates Boeck 



1871 Pontocrates (part.), A. Boeck in: Forh. Selsk. Christian., 1870 p. 171 | 1888 

 F., T. Stebbing in: Rep. Voy. Challenger, v.29 p. 307 | 1892 F., G. 0. Sars, Crust. 

 Norway, v. 1 p. 315. 



Head with short deflexed rostrum. Side-plates 4 and 5 rather large. 

 Eyes contiguous, at base of rostrum. Antenna 2 in 9 much or little longer 

 than antenna 1, in d elongate. Upper lip nearly quadrate. Lower lip, 

 inner lobes separate fi'om one another, but coalesced with outer lobes. Mandible 

 normal. Maxilla 1, inner plate with 2 setae, outer with 9 spines. Maxillipeds, 



