Plate 7 



1 n . i.i i I teria amurensis forma amurensis, Norton Sound; a straighl pedicellaria from a furrow 



spine. 0.67 nun.. LOO. 

 l,i. An abactinal pedicellaria, 0.43 mm., ■ LOO. 



2. Asterias amurensis forma anomala, station 3231; an actinal pedicellaria, " . 7 < i mm., <50. 

 _',/. Tip of an actinal pedicellaria, .'100. 

 2/,. \ pedicellaria from a furrow spine, ■ LOO. 

 2c. Two abactinal spinelets, upper L.25 mm., Lower 1.0s mm., L5. 

 '.',/. Two inferomarginal spines, 2 nun.. ■' L5. 



:i. i d , ia am in nsis forma amurensis, station 3250, 17..") fathoms; actinal pedicellaria, <50. 

 I. Forma anomala, Cape Lisburne, Arctic Ocean; a, an actinal pedicellaria, 0.9 nun., X50; 



b, tip ol one jaw; c, tip of two jaws, X 100. 



5. i !, amurensis forma amurensis, cotype, Amur Province. Abactinal spinelet, 1.2 



nini.. • 25. 

 5a Adambulacral armature from furrow face, ■ in. 



6. Same, Petropavlovsk, largest specimen, K 130 mm.; armature of three consecutive 



adambulacral plates near the base of raj . <5. 



7. Same, station 3242, two consecutive adambulacral plates, <5. This is the specimen 



upon \\ bich the account is based. 



8. Same, specimen from station 3335, 93 fathoms; adambulacral armature and an infero- 



marginal spine, /, X5. 



9. Same. Petropavlo^ k, an actinal straight pedicellaria, 0.76 mm., 50; and tip of another, 



LOO. 

 in. Same, station 3225, 85 fathoms; an actinal straight pedicellaria, 0.63 mm., ■ 50. 

 L0a. A up, 150. 



262 



