PLATE LXXXVII. 



FIG. I. Henricia twnida Verrill. Type. Portion of dorsal surface; 



Xio. 



FIG. 10. The same specimen. Group of spines of actinal side; a', a', 



adambulacrals ; b, b', peractinals ; c, c' , inf eromarginals ; X 10. 



FIG. 2. Henricia leviuscula spiculifera (Qark). Group of pseudopaxillse 



from the side of the base of a ray ; X 10. Bering Sea. 



FIG. 20. The same specimen. Group of dorsal ossicles with spines re- 



moved ; X 10. 



FIG. 2&. The same specimen. Portion of actinal side ; a, a', adambulacral 



plates and spines; a", furrow-spine; b, b, peractinal pseudo- 

 paxillae ; c, c, inf eromarginals ; d, d, superomarginals ; X 10. 



FIG. 3. Henricia arctica Verrill. Type. Cape Lisburne. Portion of 



actinal side with spines partly removed; a, a, adambulacral 

 plates; b, b, peractinals; c, c, inferomarginals ; d, d, supero- 

 marginals ; e, e, intermarginals ; X 5- 



FIG. 30. The same specimen, a, a, two adambulacral plates and spines; 



a', furrow-spine; b, peractinal. 



FIG. 3&. The same specimen. Group of dorsal pseudopaxillae ; X 5- 



FIG. y. The same specimen. Group of ossicles from base of ray; X 5- 



FIG. 4 Solaster endeca (Linn.) Forbes. Typical from Atlantic; a, b, c, 



dorsal pseudopaxillae from base of ray; d, superomarginal ; 

 Xio. 



FIGS 40, 4&. The same specimen. Inferomarginal plates; 40, adoral side; 

 4&, aboral side; X 10. 



FIG. 5. Solaster galaxides Verrill. Type. Portion of actinal side; a, a, 



adambulacral spines, actinal group; a', furrow-spines; 

 b, b, b', peractinals ; c, c, inferomarginals. 



FIG. 50. The same specimen. Group of dorsal pseudopaxillae and papular 



pores from the base of a ray ; X 10. 



FIG. S&. The same specimen; a, adoral, and b, aboral sides of infero- 



marginal plates ; c, superomarginal plate ; X 10. 



FIG. $c. Solaster galaxides Verrill. Cotype. a, actinal group of adambu- 



lacral spines ; a', furrow-spines ; b, peractinals. No. 1897, 

 Mus. Comp. Zool. 



FIG. 6. Solaster dawsoni var. arctica Verrill. Type. Dorsal pseudo- 



paxillae, a, b, c, from base of ray; X 16. 



FIG. 6a. The same specimen; inferomarginal plate; X 16. From Point 



Franklin. 



(176) 



