Harpiuioides. Atyloiwis 299 



Pleoji Segment 3, pijstero-lateral corners stroiigiy rouuded. Eyes not 

 ohserved. Antenna 1. 1^* Joint stout, longer than 2^ and 3*^ combined. 

 flagellnm tvvice as long as peduncle, with 24 joints, 1^*^ tlie longest; accessory 

 tiagellum shorter than 1^* Joint of priniary, consisting of 1 naiTOw. truncato 

 Joint. Antenna 2. ultimate Joint of peduncle rather shorter than pen- 

 iiltinuite, flagellnm shorter tlian peduncle, 14-iointed. Gnathopods 1 and 2, 

 5'^ Joint cup-like. abont ^.^ length of 6^^^, 6*'i broadest at base, tapering 

 with a curve to a narrow apex, without detinite palm, tinger long, slender, 

 slightly curved, about half length of 6*'* Joint and closing over the 

 concave part of its margin. Gnathopod 2 rather the longer. Peraeo- 

 l»ods 1 — 5, b^^ Joint shorter than 4*^ or fi*^, finger curved. Peraeopod 3, 

 2'^ joiüt almost as broad as long, and of nearly equal breadth throughout. 

 Peraeopod 5 longer than peraeopod 4, and with 2^^ Joint broader. Telson 

 longer tlian peduncle of nropod 3, once and a half as long as broad, slightly 

 tapering to a slight triangulär emargination between minutely notched 

 a]»ices. L. <> mm. 



Ciimbcrland liay [Kerguelen Island]. Depth 232 m. 



11. Gen. Atylopsis Stebl». 



1888 Atylopsis (part.), T. Stebbing in: Kep. Voy. ChalK>nj>er, f. 25) p. 924. 



Side-plates rather shallow. Antenna 1, peduncle short. Upper lip 

 slightly )»il(>bed. Lower lip with inner lobes. Mandible normal, palp 

 .strong, 3*^ Joint as long as 2*^. Maxilla 1, inner plate with few setae, 

 outer with J 1 spines. IVIaxilla 2. inner plate with few setae on inner margin. 

 JVlaxillipeds, outer plates without spine-teeth on inner margin, 3*^ Joint of 

 j»alp produced over base of finger. Gnathopods 1 and 2 not veiy powerful. 

 subchelate. 2*^ larger than l'^^ üropods 1 — 3, outer ramus shorter than 

 inner. Telson short, with emargiuate apex. 



2 spocies. 



Synop.sis of spccies: 



Pl<^un .segnu'iits 1 aml 2 dentate; uropod .'3, rami extrenielj- 



unequal I.A. dentata . . . p. 299 



Pleou Segments 1 and 2 not dentate; nropod B, rami nol 



cxtrcmoly unoqnal 2. A. eniarginata . p. 300 



1. A. dentata Stcbb. 1888 A. dentatns, T. Stebbinc» in: Kep. Voy. Cliallenger, 

 /•. 29 ].. 929 t. 80 I 1893 Acmithouotosonut?, Acanthozone?, A. DelUiValle in: F.Fl. 

 Neapel, (-.20 |.. 910. - 



Like, but quite distiuct from Apherusa tridentata (p. 3Uo). Peraeon Seg- 

 ment 7 and pleon Segments 1 and 2 each produced to a dorsal tooth, surfaco of body 

 rather hairy. Head, rostrum small, obtuse. lateral margin forming a rounded 

 lobe, post-antennal corners not produced. Side-plate l. lower front c(n*ner 

 rriunded, slightly outdrawn. Pleon segment 3, postero-lateral corners produced 

 into a small tooth. Eyes broadly oval. Antenna 1. P* Joint not twice as 

 long as 2^, 2* scarcely longer than broad. remainder missing. Antenna 2, 

 penultimatc Joint of peduncle not elongate, after-part missing. Maxilla 1, 

 inner plate with 2 setae; on outer plate oidy 10 spines were actually ob- 

 scrved. Maxilla 2. inner plate rather sluu-ter and naiTower than outer, with 



