EXPLANATION OF THE PLATES. 457 



8ize,'< which is here enlarged three diameters. Adults attain about' the 

 size of the figure. 

 FiaURB 65. — Nerocila munda Harger (p. 392) ; dorsal view of the type specimen, en- 

 larged about four diameters. The natviral size is shown by the cross on 

 the right ; a, uropod, enlarged six diameters. 

 66. — ^gathoa loliginea Harger (p. 393) ; type specimen; a, dorsal, and b, ven- 

 tral view, enlarged four diameters. Its natural size is shown by the 

 line between the figures. 

 (Figure 59 was drawn by Mr. J. H. Blake, the others by O. Harger. ) 



PLATE XI. 



Figure 67. — Livoneca ovaUs White (p. 395) ; a, antennula ; b, antenna ; c, mandibular 

 palpus; each enlarged twenty diameters; d, one of the first pair of legs; 

 «, one of the seventh pair of legs ; /, uropod ; each enlarged ten diam- 

 eters. 



68. — ^Anthura poUta Stimpson (p. 398) ; dorsal view, enlarged four diameters. 

 The natural size is shown by the line at the right; a, antennula; 6, 

 antenna, each enlarged ten diameters; c, leg of the first pair; d, leg of 

 the third pair ; e, right pleopod of the first i^air, interior view, showing 

 inner ramus without cilia; /, pleopod of the second pair from a male, 

 showing stylet articulated to inner lamella ; each of the figures c to/ 

 enlarged eight diameters ; g, lateral view of pleon, enlarged six diam- 

 eters. 



69. — ^The same; a, maxilliped, enlarged twenty diameters; 6, maxilla, enlarged 

 twenty-five diameters ; b', distal end of the same, enlarged sixty diam- 

 eters. 



70. — Paranthura brachiata Harger (p. 402) ; dorsal view, enlarged about three 

 diameters ; natural size shown by the line at the right ; a, antennula ; 

 6, antenna, enlarged eight diameters ; c, right maxilliped, enlarged six- 

 teen diameters ; d, maxilla, enlarged sixteen diameters ; d', distal end 

 of the same, enlarged fifty diameters ; e, leg of the first pair ; /, first 

 pleopod from the right side, inner view, showing ciliated inner lamella ; 

 g, pleopod of the second pair from a male, showing stylet articulated to 

 the inner lamella ; figures e to g enlarged eight diameters. 



71. — Ptilanthura tenuis Harger (p. 406); male; dorsal view, enlarged about 

 four diameters ; a, inferior view of the head and first thoracic segment, 

 enlarged eight diameters ; the flagellum of the antennulae omitted ; 6, 

 maxilliped ; c, maxilla, each enlarged fifty diameters ; d, first right ple- 

 opod, seen from within, showing ciliated inner lamella ; e, second left 

 pleopod, showing stylet s articulated to the inner lamella in the males. 



72. — The same ; one of the first pair of legs of a male, enlarged sixteen diam- 

 eters. 



73. — The same; female ; dorsal view of the head, enlarged twenty- five diam- 

 eters. 

 (Figure 71, excepting b-d, was drawn by Mr. J. H. Emerton, the others by O. Harger.) 



PLATE XII. 



FlGURH 74. — Ptilanthura tenuis Harger (p. 406) ; a, antennula ; b, antenna ; each 

 enlarged twenty diameters, from a male. 



75. — Gnathia certna Harger (p. 410); male; dorsal view, enlarged ten diame- 

 ters. 



76. — The same ; a, antennula ; b, antenna, each enlarged thirty-eight diame- 

 ters; c, mandibles {I, left, r, right), enlarged thirty-eight diameters; 

 d, first leg or first gnathopod from the right side, enlarged twenty-five 

 diameters ; aU the figures from the male sex. 



77. — The same (p. 411); female; dorsal view, enlarged .ten diameters. 



