CALIGOIDEA. X357 



LEPEOPHTHElRtTS BAGRI. 



Carapax subrotundatus, discis suctatoriis non munitus, segmento secundo 

 fere oblongo. Abdomen Z-articulatum, segmento primo vakle latiore, 

 segmentis duobus posticis simul sumtis oblongis, ano prominente. 

 Styli caudales parvuli, ad angulos abdominis posticos insiti, anum 

 vix super antes. Antennae postica? spina, extus basin non munitce. 

 Furcula simplex, brachiis diver gentibus, subacutis. Feminae : — Abdo- 

 minis segmentum primum valde oblongum, postice truncatum, anticd 

 angustius, later ibus par allelis. Maris : — Segmentum abdominis primum 

 latum, paulo oblongum, subhexagonum. Pedes paris secundi crassis- 

 simi, digito mobili acuto setdque interna armato, margine manus interno 

 fere recto, digito immobili nullo. 



Carapax nearly round, second segment very narrow and slightly 

 oblong. Abdomen three-jointed, the first segment much the 

 broadest, the following two (the last longest) of equal breadth, 

 together oblong, anus prominent. Caudal stylets small, filling out 

 the angles, and hardly projecting beyond the anus. Posterior 

 antennae without the corneous spine exterior to base. Furcula 

 simple, prongs divergent, hardly acute. Female: — Anterior seg- 

 ment of abdomen much elongate, truncate behind, smaller ante- 

 riorly. Male: — Same segment broad, a little oblong, subhexagonal. 

 Feet of second pair very stout, finger acute, and having a seta on 

 the inner side ; inner side of hand nearly straight, without an 

 immoveable finger. 



Plate 94, fig. 6 a, dorsal view of female, enlarged ; b, posterior an- 

 tennae of female ; c, maxillae, ibid. ; d, first pair of feet, ibid. ; e, second 

 pair of feet, ibid.; /, posterior antennae of male; g, second pair of feet, 

 ibid. ; h, male abdomen. 



Kio Janeiro ; taken from the exterior of the body of a species of 

 Bagrus, and also from within the gill-covers. Collected in November, 

 1838. 



Length, about one-fourth of an inch. Colourless. 



340 



