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, 1% 1\ 2, 2% 4, i\ 5, 5% Plate VII. ; 

 Figs. 1, 1', P, 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 tigui-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 off Martha's Vineyard by the U. S. 



Fish Commission, Station 1029, enlarged two diameters. 

 " 2*. Lateral view of the cara^Kix of the same specimen, enlarged two diameters. 



PLATE 11. 



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

 diameters. 



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



" P. 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. ParaiMgurus 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*. 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 fix)m 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 politus. Lateral view of left side of male, dredged by the L^. S. 

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



