Plate 16 



Fig. 1. Myxoderma platyacanthum rhomaleum. Projection of skeleton of one side >>f ray, 1" 



C, carina! plates; .1. adradials; S, superomarginals; /. inferomarginals; I 3, three 



series of actinolaterals 

 2. Myxoderma plalyacanthum. Two adambulacral plates and armature of three actinol 



series al base of ray, • 10. 2<i. Same, station 1321. Projection of skeleton of one 



side of ray. ■ U): lettering as Figure 1. 

 :: Pedicellaster magisler, station 3223, H>. Mouth plates and firsi adambulacral plates. 



Two plates mi right allowed to dry. 3a. Same, station 3488, • 10. Side view of 



one dried mouth plate and i»" adjacent adambulacrals. 36. Same-, station I7'.i_' 



Straight pedicellaria from furrow margin, 0.26 mm., 100. 

 4. Pedicellaster magisler megalabis, station 3347. Straight pedicellariae from mouth plates, 



ii is mm.. ■ 100. I". Same, station 1335,0.48 mm 

 ."). Pedicellaster magister orientalis. Straight pedicellaria from mouth plates, 100. 



177 



