EXPLANATION OF THE PLATES. 455 



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

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

 c, pleopod of the second pair from a male, enlarged six diameters ; 8, 

 stylet articulated near the base of the inner lamella. 



33.— Synidotca uodulosa Harger (p. 351) ; dorsal view, enlarged four diam- 

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



34.— The same; a, autonnula; /, flagellar segment; b, antenna; c, leg of the 

 first pair fi-om 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 ; b, 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 atteuuata Harger (p. 35G) ; 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; h, 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 ; 8, 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 ; b, 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 ; b, pleopod 

 of the second pair from a male, enlarged fifteen diameters ; 8, 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 lameUa; m, basal segment; 1, 2, 3, segments of palpus of 

 maxilhped; b, pleopod of second pair from a male, enlarged twenty 

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

 8', 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; b, antenna; c, maxiUiped 

 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 dianeters; b, right 

 uropod or opercular valve, enlarged fifteen diameters. 



