PLATE VII. 



FIGURE 37. Erichsonia attenuata Harger (p. 356) ; a, antennula ; Z>, 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 ; &, 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; &, 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 ; 6, 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,-eThe 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; 8, stylet, articulated near the base of the inner lamella; 

 s', end of stylet, enlarged fifty diameters. 

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



