THE SPIDER CRABS OF AMERICA 569 



Plate 38 



Fig. 1. Collodes levis, female cotype, carapace 5.3 mm. long, dorsal view. 



2. Same, ventral vicAv. 



3. Collodes inermis, male (24142), carapace 8.6 mm. long, dorsal view. 



4. Same, ventral view. 



5. Collodes leptocheles, male holotype, carapace 16.5 mm. long to tips of 



horns, dorsal view. 



6. Same, ventral view. 



Pl.^te 39 



Fig. 1. Batrachonotus fragosus, male (47069), carapace 7.2 mm. long from tip 

 of posterior spines to tips of rostrum, ventral view; also outer view of 

 left cheliped. 



2. Same specimen, dorsal view. 



3. Batrachonotus fragosus, female (19943), carapace 6.6 mm. long, ventral 



view, chelipeds detached. 



4. Same specimen, dorsal view, 



5. Batrachonotus nicholsi, male (21872), carapace 9 mm. long, dorsal view. 



6. Same, ventral view. 



7. Batrachonotus nicholsi, female (21869), carapace 12.5 mm. long, dorsal 



view. 



8. Same, ventral view. 



Plate 40 



Fig. 1. Collodes tumidus, male holotype, carapace 11.6 mm. long, dorsal view. 



2. Same, ventral view. 



3. Pyromaia tuberculata, young male (21880), carapace 9 mm. long, 



dorsal view. 



Plate 41 



Fig. 1. Pyromaia cuspidata, female (46778), carapace 29 mm. long, dorsal view. 



2. Same, ventral view. 



3. Pyromaia cuspidata, male (46778), carapace 40.6 mm. long, with bar- 



nacles attached to rear, ventral view showing development of cheli- 

 peds. 



Plate 42 



Pyromaia arachna, male holotype, carapace 45 mm. long, dorsal view. A Lepas 



attached to rear 



Plate 43 



Pyromaia arachna, same specimen as plate 42, ventral view 



Plate 44 



Acanthonyx petiverii, male (18673), carapace 14.8 mm. long to tips of horns 



Fig. 1. Dorsal view. 



2. Ventral view. 



Plate 45 



Fig. 1. Epialtus kingsleyi, male holotype, carapace 7.7 mm. long. a. Dorsal 

 view of carapace, h. Outer view of left cheliped. 



2. Epialtus dilatatus, female (47085), carapace S.6 mm. long, dorsal view. 



3. Epialtus hituherculatus, male (24849), carapace 13.8 mm. long, dorsal 



view. 



4. Same, ventral view. 



