A. E. Yerrill — Hevision Genera and /Species of Starfishes. 233 



Plate XXVIII. 



Figure t. — HijJpasteria Caribcea Ver. Type. Actinal side of a part of the disk 



and base of a ray. x 6. 

 Figure la. — The same. One of the adambulacral plates, more enlarged. 

 Figure 2. — Cladaster ruclis Ver. Type. Dorsal side of a part of the disk and 



one of the rays, x 6. 

 Figure 2a. — The same. Actinal side, x 6. 

 Figure 26, 2c. — The same. Profile views of one of the spatulate pedicellariae, 



much enlarged. 

 Figure 3. — Peltaster 2:)lanus Ver. Original type. Dorsal side of the distal part 



of a ray. x 5)^. 

 Figure 3a. — The same specimen. A group of plates from the basal part of the 



ray ; c, c, median plates, x 53^. 

 Figure 4. — Peltaster hebes Ver. Type. Actinal side of the basal part of a 



ray. x 5}-^. 

 Figure 5. — Litonotaster intermedms (Per.) Ver. Dorsal side of a ray. x 6. 

 Figure 5a. — The same. Denuded group of plates from the small papular area ; 



c, c, median row. 

 Figure 5b. — The same. Actinal side of the base of the ray and part of disk, x 8. 



Plate XXIX. 



Figure 1. — Odontaster setosus Ver. Under side of the base of a ray and part 



of the disk, x 9}{. 

 Figure lo. — The same. Under side of a portion of the disk with the spinules 



removed to show the plates ; (hi) lower marginal plates; b, b, actinal ; a, a, 



adambulacral plates, x 7. 

 Figure lb. — The same. One of the jaws and adjacent parts, showing the 



recurved odd apical spine (s) of the jaw. x 9io. 

 Figure Ic. — The same. A few paxillas from one of the basal radial areas of the 



upper side, x about 5. 

 Figure 2. — Odontaster setosus Ver. Part of the interradial area of the disk 



with three adjacent upper marginal plates. The middle plate (wi) is the 



odd interradial. x 7. 

 Figure 3. — Odontaster hisjndus Ver. Part of the abactinal and upper marginal 



plates (m) at the base of a ray. The larger spines (u) of the lower marginal 



plates are also visible, x 7. 

 Figure 3a. — The same. Adambulacral plates (a, a) and spines, and first row of 



actinal plates (6, b). The spines have been removed from most of the 



plates ; /, ambulacral furrow. x 7. 

 Figure 4. — OrfoJifasfer robustus Ver. Type. Actinal side of the base of a ray. 



X 9i.<. 

 Figure 4a. — The same. Abactinal side of a ray. x 6. 



