EXPLANATION OF THE PLATES. 455 



Figure 32. — The same ; a, in<axilliped, eulargcd twelve diameters ; I, external lamella ; 

 1, 2, 3, 4, segments of i)alpu8 ; &, maxilla of the outer or second pair; 



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

 stylet articulated near the base of the inner lamella. 



33. — Syuidotea 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; h, 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, maxillijjed from the right side, showing, I, external 

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

 twenty diameters ; &, 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 

 articula^d near the base of the inner lamella. 



30. — Erichsonia attenuata Harger (p. 3.56) ; 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. 



FiGUr.E 37. — Erichsonia attenuata Harger (p. 350) ; «, antennula ; h, antenna, each 

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

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

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

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

 mella ; a', 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 ; 1), antenna ; c, leg of the first pair ; d, urojiod, 

 or opercular valve, each enlarged twelve diameters. 



40. — The same ; «, maxilla of outer or second pair ; h, 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, 7, external lamella; m, basal segment, 

 and 1, 2, 3, 4, segments of palpus, enlarged thirty diameters ; h, pleojiod 

 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 ; h, 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 uatxire by 0. Harger. ) 



PLATE VIII. 



FiGUKE 44. — Epelys montosus Harger (p. 3.59) ; dorsal -view, enlarged six diameters, 

 natural size indicated by the line at the right. 



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

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

 ments of palxnis ; all the figures enlarged twenty diameters. 



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

 uropod or opercular valve, enlarged fifteen diameters. 



