EXPLANATION OF PLATES 



The photographs of the Parthenopidae were taken and retouched by John 

 Howard Paine. The remainder of the photographs made for this report, unless 

 otherwise indicated, were taken by the U. S. National Museum and retouched 

 by Seward H. Rathbun. 



Plate 1 



Dasygyius depressus, male (21873), carapace 25.3 mm. long between tips of spines 



Fig. 1. Dorsal view. 

 2. Ventral view. 



Plate 2 



Stenorynchus seticornis, male (42956), carapace 48.7 mm. long, dorsal view 



Plate 3 



Stenorynchus seticornis, same specimen as plate 2, ventral view 



Plate 4 



Stenorynchus debilis, male (15544), carapace 34.5 mm. long, dorsal view 



Plate 5 



Stenorynchus debilis, same specimen as plate 4, ventral view 



Plate 6 



Metoporhaphis calcarata, male (50981), carapace 21.3 mm. long, dorsal view 



Plate 7 



Metoporhaphis calcarata, same specimen as plate 6, ventral view 



Plate 8 



Fig. 1. Anomalothir frontalis, male (15157), carapace 13 mm. long to tip of 

 horns, dorsal view. 

 2. Anomalothir furcillatus, female (54427), carapace 20.8 mm. long to end 

 of horns, dorsal view. 



Plate 9 



Fig. 1. Anomalothir frontalis, male (15157), carapace 13 mm. long to tips of 

 horns, ventral view. 

 2. Anomalothir furcillatus, female (54427), carapace 20.8 mm. long to tips 

 of horns, ventral view. 



Plate 10 



Achaeopsis thomsoni 



Fig. 1. Male (18672), carapace 10.3 mm. long to tips of horns, dorsal view. 



2. Same, ventral view. 



3. Female (18679), carapace 11.5 mm. long to tips of horns, dorsal view. 



5487— 25t 38 565 



