PLATE LXXXVII. 



Fig. i. Henricia tumida Verrill. Type. Portion of dorsal surface; 



Xio. 



Fig. la. The same specimen. Group of spines of actinal side ; a', a', 



adambulacrals; b, b', peractinals; c, c , inferomarginals; X 10. 



Fig. 2. Henricia Icviuscula spiculifcra (Clark). Group of pseudopaxillae 



from the side of the base of a ray ; X i°- Bering Sea. 



Fig. 2a. The same specimen. Group of dorsal ossicles with spines re- 



moved ; X io. 



Fig. 2b. The same specimen. Portion of actinal side; a, a', adambulacral 



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

 paxillae; c, c, inferomarginals; d, d, superomarginals ; X io. 



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. 3a. 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. 3c. The same specimen. Group of ossicles from base of ray; X 5- 



Fig. 4 Solaster endcca (Linn.) Forbes. Typical from Atlantic; a,b,c, 



dorsal pseudopaxillae from base of ray; d, superomarginal ; 

 Xio. 



Figs 40, 46. The same specimen. Inferomarginal plates; 4a, adoral side; 

 4&, aboral side; X 10. 



Fig. 5. Solaster galaxidcs Verrill. Type. Portion of actinal side; a, a, 



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

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



Fig. 5a. The same specimen. Group of dorsal pseudopaxillae and papular 



pores from the base of a ray ; X 10. 



Fig. 5&. The same specimen ; a, adoral, and b, aboral sides of infero- 



marginal plates ; c, superomarginal plate ; X 10. 



Fig. sc. Solaster galaxides Verrill. Cotype. a, actinal group of adambu- 



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

 Mus. Comp. Zool. 



Fig. 6. Solaster dazvsoni var. arctica Verrill. Type. Dorsal pseudo- 



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



Fig. 60. The same specimen; inferomarginal plate; X 16. From Point 



Franklin. 



(176) 



