MUSEUM OF COMPAEATIVE ZOOLOGY. 101 



EXPLANATION OF THE PLATES. 



All the figures on Plates I., III., and V. ; Figs. 1 to 4 b , 5, Plate II. ; Fig. 1, Plate 

 IV. ; Figs. 1, 2, 3, Plate VI. ; Figs. 1, 1", l b , 2, 2% 4, 4% 5, 5*. Plate VII. ; 

 Figs. 1, 1», 1\ 2, Plate VIII. ; Figs. 1, 2, 2% Plate IX. ; Figs. 1, 2, Plate X. ; 

 Figs. 4, 5, 8, Plate XI. ; Fig. 1, Plate XIII. ; and Fig. 5, Plate XVI., were drawn 

 by J. H. Emerton. All the other figures were drawn by the author. 



PLATE I. 



Fig. 1. Lithodes Agassizii. Dorsal view of female from Station 329, half natural 



size. 

 " 2. Dorsal view of a young specimen taken off Martha's Vineyard by the U. S. 



Fish Commission, Station 1029, enlarged two diameters. 

 " 2*. Lateral view of the carapax of the same specimen, enlarged two diameters. 



PLATE II. 



Fig. 1. Cyclodorippe nitida A. Milne-Edwards. Dorsal view of female, enlarged two 

 diameters. 



" l a . Front view of same specimen, enlarged four diameters. 



" l b . Ventral view of same specimen, the distal portions of the legs omitted, en- 

 larged four diameters. 



" 2. Amathia Agassizii. Dorsal view of the carapax of the male from Station 

 319, natural size. 



" 3. Dorsal view of a young specimen from Station 317, enlarged two diameters. 



" 4. Parapagurus pilosimanus Smith. Lateral view of the left side of the origi- 

 nally described male specimen, taken on a trawl line, off Nova Scotia, 

 half natural size. 



" 4 a . Dorsal view of the chelipeds of the same specimen, half natural size. 



" 4 b . Dorsal view of the carapax and anterior appendages of the same specimen, 

 natural size. 



" 4°. Appendage of the right side of the first somite of the abdomen of the same 

 specimen, seen from behind, enlarged four diameters. 



" 4 a - Appendage of the right side of the second somite of the abdomen of the same 

 specimen, seen from behind, enlarged four diameters. 



" 5. Eupagurus politus. Lateral view of left side of male, dredged hy the U. S. 

 Fish Commission off Martha's Vineyard, Station 922, natural size. 



