604 PROCEEDINGS OF THE NATIONAL MUSEUM. vat. 55. 



Fig. 64. The same from another specimen. Fig. 65. The same from P. versicolor. 

 Fig. 66. Maxilliped of P. ferox. Fig. 67. The same of P. versicolor. 



Plate 58. 



Paeon versicolor. 



Figs. 68 and 69. Two views of adult female (owing to torsion these views are 

 partly dorsal, partly ventral, and partly lateral ) . Fig. 70. Ventral view of head, 

 enlarged. Fig. 71. Mouth tube, and first maxillae. Fig. 72. Side view of male. 

 Fig. 73. Second maxilla. Fig. 74. Maxilliped. 



Plate 59. 



Fig. 75. Side view of antennae and mouth parts of male of P. versicolor; an. 

 antennae, md. mandible, mo. mouth, mx. maxilla. Fig. 76. Lateral view of head 

 of female of P. versicolor. Fig. 77. Ventral view of adult female of Periplcxis 

 lobodes. Fig. 78. Dorsal view of same. Fig, 79. Ventral view of head, enlarged. 

 Fig. 80. Dorsal view of same. 



Figs. 1, 2, 33, and 84 were drawn by J. H. Blake. Figs. 77 and 78 were 

 dr^wn by A. H. Baldwin, while figs. 4 to 11, 15 to 20, 36, 37, 42, and 43 are by 

 Richard Rathbun. 



