PLATE XL 



FiGUEE 67. — Lironeca ovalis White (p. 395) ; a, antennula ; h, antenna ; c, mandibular 

 palpus ; eacli enlarged twenty diameters ; d, one of tlie first pair of legs ; 

 e, one of the seventh i^air of legs ; /, uroi^od ; each enlarged ten diam- 

 eters. 



68. — Authnra polita Stimpson (-p. 398) ; dorsal view, enlarged fonr diameters. 

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

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

 the third pair ; e, right j)leopod of the first pair, 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; b, maxilla, enlarged 

 twenty-five diameters ; h', 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 ; 

 b, 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 ; 

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

 the inner lamella ; figures eto 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 iiagellum of the antennula} omitted; I, 

 maxilliped ; c, maxilla, eacli 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.) 



