MUSEUM OF COMPAEATIVE ZOOLOGY. 101 



EXPLANATION OF THE PLATES. 



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

 IV. ; Figs. 1, 2, 3, Plate VI. ; Figs. 1, P, 1\ 2, 2\ 4, 4', 5, 5% Plate VII. ; 

 Figs. 1, 1% P, 2, Plate VIII. ; Fig.s. 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 figui'es were drawn by the author. 



PLATE I. 



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



size. 

 *' 2. Dorsal view of a young specimen taken ofl' 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. 



1. Cydodorippe niticla A. Milne-Edwards. Dorsal view of female, enlarged two 

 diameters. 



1'. Front view of same specimen, enlarged four diameters. 



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

 larged four diameters. 



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

 319, natural size. 



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



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

 nally described ni;ile specimen, taken on a trawl line, oil Nova Scotia, 

 half natural size. 



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

 4''. Dorsal view of the carapax and anteuior 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*. Appendage of the right side of the second somite of the abdomen of the same 



specimen, seen from behind, enlarged four diameters. 

 ' 5. Eupagurus imlitus. Lateral view of left side of male, dredged by the L^. S. 

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



' 4» 



