Hiroiulellea, Podoprionella 17 



Side-plate 1 uarrow. 3 eyes. Mouth-orgaiis promiuent. Maiidible 

 elongate, palp attached behiud molar. Maxilla 1 robust, palp broad and 

 long, with teetli few but strong. Maxilla 2, plates broad. outer less so than 

 inner. Maxillipeds, inner plates broad, quadrangular, obliquely truncate, outer 

 plates broad, ovate, not reaching end of 2^ Joint of palp. Gnathopod 1 

 subchelate, gnathopod 2 minutelj chelate. Peraeopods slender. Telson 

 deeply emarginate. 



1 species. 



1. H. trioculata Chevreux 1889 H. t., (.hevreux in: Bull. Soc. zooi. France, 

 V. U p. 285 f. * 



Body thick, perneon carinate. Head short, lateral lobes broadly rounded. 

 Side-plates 1—3 narrow, 4*'' with sinoothly rounded iiind lobe. Pleon segrneut 3 

 with postero-laterai angles a litile produced and acute, segment 4 with dorsal 

 depression followed by rounded carina. One large oval eye occupying dorsal 

 breadth of the head, two others narrowly cresceut-shaped on the lateral lobes. 

 Antenna 1, peduncle short and thick. flagelluni with l2 joints, only the 1*^* long; 

 accessory flagellum w.ith 8 joints, only the 1*** long. Antenna 2 not mucli longer 

 than antenna 1, ultimate Joint of peduncle rather shorter than penultimate, 

 flagelluni 13-jointed. Gnathopod 1, 6^'\ioint rather longer than 5*'', rectangular, 

 palin almost straight, not long. Peraeopods 3 — 5, expanded 2*^ Joint much longer 

 than broad, largest in 5*** peraeopod, which is shorter than 4*^. üropods 

 rather long, reaching back equally far. Uropod 2. inner brauch a little longer 

 than outer, with spiniferous contraction above the apex. Telson longer than 

 peduncle of uropod 3, divided scarcely to the centre, the lobes strongiy 

 divergent. Colour bright amber yellow, sometimes tiuted with rose, eyes 

 yellow. L. 13 mm. 



Xorth- Atlantic (Azores). Depth ]23(i m. 



7. Gen. Podoprionella 0. Sars 



1895 Fodoprionella (Sp. un.: P. norvegica), (t. 0. Sars, Crust. Norway, t;. 1 p. H87. 



Side-plate 1 short, 4*'^ broadly and squarely expanded behind. Upper 

 lip narrowly rounded. Mandibles, cuttiug edge smooth, spines rudimentary, 

 molar wanting, palp attached far back, its 2'^ Joint elongate, 3^ short. Maxilla 1, 

 no inner plate observed. outer plate with strong teeth, palp normal. Maxilla 2, 

 plates very short. Maxillipeds. inoer plates narrow, tapering, outer plates large, 

 both pairs nearly smooth, palp not reaching end of outer plate, 4'^' Joint obsolete, 

 Gnathopod 1 rather strong. chelate, 6^'' Joint much longer than öt''. Gnathopod 2 

 minutely clielate. Peraeopods 3 — 5, expanded 2'^ Joint with bind margiu 

 deeply pectinate. Uropod 1 much longer than uropod 2. which is much 

 longer than the small uropod 3. Telson entire, squamiforra. 



1 species. 



1. P. norvegica 0. Sars 1895 P. «., G. ü. Sars, Crust. Norway, v. 1 p. 688 t. v. 



Body compact, peraeon thick; pleon small, segment 3 with small upturned 

 tooth at bind corners. Eyes rounded oval, with 10 large and strongiy refractive 

 lenses, pigment dark brown. Antenna 1 in 9 , 2*^ and 3*^ joints not extremely 

 Short, flagellum ö-jointed, shorter than peduncle, accessory flagellum 2-jointed. 

 Antenna 2 scarcely as long as antenna 1, ultimate Joint of peduncle shorter than 

 penultimate, flagellum 4-jointed, very short. Gnathopod 1, a considerable 

 cavity between the acute thumb and the curved finger forming the chela. 



Das Tierreich. 21. Lief.: T. R. R. Stebbing, Amphipoda I. 2 



