572 BULLETIN 129, UNITED STATES NATIONAL MUSEUM 



Plate 67 



Loxorhynchus crispaius, same specimen as plate 66, ventral view 



Plate 68 



Rochinia crassa, male (18671), total length of carapace 102.3 mm., dorsal view; 

 encrusted with many barnacles, Poecilasma inaequilaterale Pilsbry 



Plate 69 



Rochinia crassa, same specimen as plate 68, ventral view 



Plate 70 



Rochinia hysirix, male (46703), total length of carapace 41.4 mm., dorsal view 



Plate 71 



Rochinia hystrix, same specimen as plate 70, ventral view 



Plate 72 



Rochina umbonata, male (11377), total length of carapace 26.5 mm. 



Fig. 1. Dorsal view. 

 2. Ventral view. 



Plate 73 



Fig. 1. Rochinia umbonata, female (11377), total length of carapace 30.5 mm., 

 dorsal view. 



2. Lissa brasiliensis, female holotype, carapace 16.6 mm. long, dorsal view. 



Photograph by George Nelson, Museum of Comparative Zoology. 



3. Lissa bicarinata, female (24120), carapace 9.6 mm. long, dorsal view. 



4. Same, ventral view. 



Plate 74 



Libidoclaea smithii, male (21922), total length of carapace 48 mm., dorsal view 



Plate 75 



Libidoclaea smithii, same specimen as plate 74, ventral view 



Plate 76 



Libidoclaea granaria, male (21919), total length of carapace 38.7 mm., dorsal view 



Plate 77 



Libidoclaea granaria, same specimen as plate 76, ventral view 



Plate 78 



Libidoclaea granaria, old male (1870, M. C. Z.), carapace 90.5 mm. long to tips 

 of rostrum, dorsal view; encrusted with Balanus. Photograph by George 

 Nelson, Museum of Comparative Zoology 



Plate 79 



Scyra acutifrons, male (31547), total length of carapace 32.4 mm. 



Fig. 1. Dorsal view. 

 2. Ventral view. 



