234 A. E. Verrill — Revision Genera and Species of Starfishes. 



Plate XXX. 



Figure 1. — Pseudarchaster intermedius '^Is,. Actinal side of a part of the disk 



and a ray. x b^i. 

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

 Figure 16. — The same. Abactinal side of the basal part of a ray with most of 



the granules removed, x o)^. 

 Figure 2. — Pseudarchaster fallax (Per.). Abactinal side of a part of the disk 



and a ray, from which most of the granules have been removed, x 53^. 

 Figure 2a. — The same. One of the jaws and adjacent plates, x S),- 

 Figure 26. — The same. One of the abactinal paxillag. Much enlarged. 

 Figure 3. — Pseudarchaster concinnus Ver. Type. Actinal side of the basal part 



of a ray, showing three pectinate fascioles {p). x 53^. 

 Figure 3a. — The same specimen. One of the jaws and the adjacent plates show- 

 ing three pairs of pectinate fascioles. x 5^^. 

 Figure 36. — The same specimen. A group of abactinal paxillse and papular 



pores from the basal radial region of a ray, including the median row (c, c). 



X about 6. 

 Figure 4. — Pseudarchaster ordinatus Ver. Type. Actinal side of part of the 



basal area of a ray and disk, showing four fascioles. x 5}^. 

 Figure 4a. — The same specimen. A jaw and the adjacent parts, showing seven 



pectinate fascioles {p). 

 Figure 46. — The same specimen. A group of abactinal plates and papular pores> 



from the base of a ray, including the median row of plates (c, c). 

 Figure 5. — Pseudarchaster hispidus Ver. Actinal side of the basal part of a ray- 



x7. 

 Figure 6. — Pseudarchaster granuliferus Ver. Type. Actinal side of a part of 



the disk and basal part of a ray, showing a single pectinate fasciole (jp). 

 Figure 6a. — The same specimen. A group of abactinal paxillfe with granules 



removed, x 6. 

 Figure 7. — Benthopecten spinosus Ver. Abnormal specimen. One of the jaws 



(j) and interradial area, with lower marginal plates, showing a pair {m, m) 



in place of a single odd interradial plate, x 7. 

 Figure 7a. — The same specimen. A similar view of another jaw, having the 



normal odd interradial plate (hi), x 7 

 Figure 8. — Sideriaster grandis Ver. Type. Actinal side of a part of the 



middle of a ray. x 4. 

 Figure 8a. — The same. One of the adambulacral plates more enlarged, x 7. 

 Figure 86. — The same specimen. One of the abactinal paxillse. x 53?^. 



Errata. 



Page 1 46, foot note, for planus, read plana. 

 Page 148, line 24, for obtusangula, read ohtusangulus. 

 Page 149, line 21, for granularis read (jranulare. 

 Page 158, line 4, for abnormale, read abnormalis. 

 Page 161, line 1, for australis, read australe. 



