604 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.54. 



EXPLANATION OF PLATES. 

 Plate 89. 



Fig. 1. Astacilla califovnica, new species, type, lateral view. 



2. Pterisopodus bartschi, new species, type, dor.sal view. 



3. Pterisopodus bartschi, new species, type, ventral view. 



4. Pterisopodus bartschi, new species, type, maxilliped. 



5. Pterisopodus bartschi, new species, type, mandible. 



Plate 90. 



Fig. 1. Sphaeroma exosphaeroma, new species, type, dorsal view. 



2. Exosphaeroma barrerae, new species, type, dorsal view. 



3. Sphaeroma exosphaeroma, maxilliped. 



4. Exosphaeroma barrerae, ventral view of head. 



Plate 91. 



Fig. 1. Braga- occidentalis, new species, type, dorsal view. 



2. Cirolana herniitensis, new species, type, dorsal view. 



3. Gnathia triospathiona, new species, type, dorsal view. 



Plate 92. 



Fig. 1. Excorallana berbicensis, new species, type, dorsal view. 



2. Philoscia minutissima, new species, type, dorsal view. 



3. Leptotrichus vedadoensis, new species, type, dorsal view. 



