EXPLANATION OF THE PLATES. 455 



FIGURE 32. The same ; a, maxilliped, enlarged twelve diameters ; I, external lamella ; 

 1, 2, 3, 4, segments of palpus; &, maxilla of the outer or second pair; 



c, pleopod of the second pair from a male, enlarged six diameters ; , 

 stylet articulated near the base of the inner lamella. 



33. Synidotea nodulosa Harger (p. 351) ; dorsal view, enlarged four diam- 

 eters ; natural size indicated by the line at the right. 



34. The same ; a, antennula ; /, flagellar segment ; 6, antenna ; c, leg of the 

 first pair from the right side ; d, right uropod, or opercular valve, all 

 enlarged ten diameters. 



35. The same; a, maxilliped from the right side, showing, I, external 

 lamella ; m, basal segment ; 1, 2, 3, segments of palpus, enlarged 

 twenty diameters ; Z>, maxilla of the outer or second pair ; c, maxilla of 

 the inner or first pair, both enlarged twenty diameters ; d, pleopod of 

 the second pair from a male, enlarged twelve diameters ; s, stylet 

 articulated near the base of the inner lamella. 



36. Erichsonia attenuata Harger (p. 356) ; dorsal view, enlarged three diam- 

 eters, natural size indicated by the line at the right. 

 (Figures 30 and 36 were drawn by Mr. J. H. Emerton, the others by O. Harger. ) 



PLATE VII. 



FIGURE 37. Erichsonia attenuata Harger (p. 356) ; a, antennula ; 6, antenna, each 

 enlarged twelve diameters ; c, maxilliped, showing, I, external lamella, 

 enlarged thirty diameters ; d, uropod, or opercular valve, enlarged 

 twelve diameters ; e, pleopod of the second pair from a male, enlarged 

 fifteen diameters; s, stylet, articulated near the base of the inner la- 

 mella ; s', distal end of stylet, enlarged fifty diameters. 



38. Erichsonia filiformis Harger (p. 355); dorsal view, enlarged five diam- 

 eters, natural size indicated by the line at the right. 



39. The same ; a, antennula ; "b, antenna ; c, leg of the first pair; d, uropod, 

 or opercular valve, each enlarged twelve diameters. 



40. The same ; a, maxilla of outer or second pair ; ft, maxilla of inner or first 

 pair ; c, mandible, showing molar process, m, and dentigerous lamella, 



d, all enlarged thirty diameters. 



41. The same ; a, maxilliped, showing, I, external lamella; m, basal segment, 

 and 1, 2, 3, 4, segments of palpus, enlarged thirty diameters ; J>, pleopod 

 of the second pair from a male, enlarged fifteen diameters ; s, stylet, ar- 

 ticulated near the base of the inner lamella ; s', distal end of stylet, 

 enlarged fifty diameters. 



42. Epelys trilobus Smith (p. 358) ; dorsal view, enlarged ten diameters : 

 natural size indicated by the line at the right. 



43. The same; a, maxilliped from the left side, enlarged twenty diameters; 

 I, external lamella ; m, basal segment ; 1, 2, 3, segments of palpus of 

 maxilliped ; &, pleopod of second pair from a male, enlarged twenty 

 diameters; s, stylet, articulated near the base of the inner lamella; 

 s', end of stylet, enlarged fifty diameters. 

 (All the figures were drawn from nature by O. Harger.) 



PLATE VIII. 



FIGURE 44. Epelys montosus Harger (p. 359) ; dorsal view, enlarged six diameters, 

 natural size indicated by the line at the right. 



45. The same; a, antennula; /, flagellar segment; 6, antenna; c, maxilliped 

 from the left side; I, external lamella; m, basal segment; 1,2,3, seg- 

 ments of palpus ; all the figures enlarged twenty diameters. 



46. The same; a, leg of the first pair, enlarged twenty diameters; 6, right 

 uropod or opercular valve, enlarged fifteen diameters. 



