Ill III llll II III || I III 
THE STARFISHES OF THE HAWAIIAN" ISLANDS. 
1125 
PLATE XVII. 
Fig. 1. Patagiaster nuttingi. Abactinal surface, slightly less than twice natural size. 
Fig. 2. Cheiraster inops. Do. 
Fig. 3. Cheiraster horridus. Do. 
Fig. 4. Nereidasler bowersi. Abactinal view of ray and a little of interradial portion of disk. 
Enlarged slightly less than 2 diameters. 
PLATE XVIII. 
Cheiraster snyderi. Abactinal view of type, slightly less than X2. 
Cheiraster horridus.. Actinal view, slightly less than X2. 
Cheiraster snyderi. Actinal view, slightly less than X2. 
PLATE XIX. 
Pseudar chaster my obrachius. Abactinal surface, X l. 66. la. Actinal surface, XI- 66. 16. Same, 
young. Abactinal surface, Xl-8. lc. Same. Actinal view, Xl-8. 
Pseudarchasler jordani. Actinal view, XL 5. 2a. Abactinal view, Xl-33. 
Goniodiscides sebse. Portion of abactinal surface to show papular areas, XL, 33. 
PLATE XX. 
Mediaster ornatus. Abactinal view, slightly less than X2- 
Same. Actinal view, XI- 7. 
Anllieniaster epixanthus. Portion of actinal surface enlargtd about twice to show mouth plates 
and adambulacral armature. Typical form. 
PLATE XXI. 
Nereidaster bowersi. Actinal view; enlarged about Xl.7. 
Tosia (Ceram aster) micropelta. Actinal view, XL 85. 
PLATE XXII. 
Pentagonaster ammophilus. Abactinal aspect, nearly X 1.5. 
Same. Actinal view. 
Tosia { Plinthaster ) ceramoidea. Actinal view, slightly larger than natural size. 
Same. Abactinal aspect. 
PLATE XXIII. 
Astroceramus callimorplius. Abactinal view, XL1. 
Same. Portion of abactinal surface enlarged to about 2 diameters. 
Same. Portion of abactinal surface enlarged. The granuliform appearance of the abactinal 
plates is due to a bead-like roughness of the plates themselves, not to deciduous granules; but 
granules surround each plate, and are present on the general surface of the marginal plates. 
PLATE XXIV. 
Calliderma spectabilis. Abactinal aspect of a medium-sized individual, about natural size. 
Same. Actinal surface. 
Zoroaster spinulosus. Abactinal view, about natural size. 
PLATE XXV. 
Fig. 1. Calliderma spectabilis. Portion of abactinal surface of same specimen as plate xxiv, figure 
1, XL 83. 
Fig. 2. Same. Portion of abactinal surface at base of ray, showing adambulacral and actinal spines ; 
type, about Xl-8. 
Mg. 3. Same. Region of the actinostome; type, about XL 8. 
