Plate 59 



Figure 1. Evasterias Iroschelii forma alveolata; pari of actinostomial ring, showing odontophore (0), 

 mouth plates i.V), and first ambulacrals (4). 10. 

 la. S:ini ■, mouth plates and adjaceni ambulacrals, <20. 



2. Evasterias echinosoma; side view of mouth plates, showing three marginal spines (usually 



two), and relative size of two straight pedicellariae, X5. 



2a 2c. Same, straight pedicellariae; 2a, from intermarginal channel, 1.1 nun., 50; 

 26, type, actinal interradial channel, L.5 nun.; 2c, type, base of ray, inter- 

 marginal channel. 



2d. Type, abactinal 0.09 to 1 mm. 



2( . < »ne jaw of 2d. 



2f. An adambulacral straight pedicellaria, X25. 



2ij. Same, an abactinal crossed pedicellaria. 0.27 to 0.3 mm., X100. 



'Ih. An adambulacral crossed pedicellaria, 0.38 nun. 



3. Ernslt ritis Irnsrlivlii forma iroschelii; large specimen from Victoria, actinal spine, X 10. 

 3a. Inferomarginal spine. 



36. Forma acanthostoma, actinal spine, 10, 



4. Evas:,, a. echinosoma, actinal spine, 10. 

 4a. Same, al 'actinal spine, X 10. 



314 



