MUSEUM OF COMPARATIVE ZOOLOGY, G9 



Ophioglypha flagellata sp. nov. 



Plate II. Figs. 49-61. 



Special Marks. — Disk covered with smooth skin, through which the very 

 small scales are scarcely or not at all visible. Arm-spines long, broad, and flat. 



Description of an Individual (Station 232). — Diameter of disk 18 mm. 

 Width of arm without spines 4 mm. Mouth-papillse four or five on each side, 

 small, tooth-like, separated, growing larger towards the apex of the jaw, where 

 there is one large and club-shaped resembling the teeth above it. Mouth-shield 

 small, short heart-shape, with projecting corners and angle inward ; length to 

 breadth 2.7 : 3. Side mouth-shields long and narrow, wider without than 

 within, where they do not quite meet. First imder arm-plate broader than 

 long, triangular or rudely hexagonal, with angles much rounded ; the plates 

 beyond are much wider than long, bounded within by a blunt angle and with- 

 out by a curve having a little peak at its apex. Side arm-plates rather thin, 

 not meeting till some way beyond disk, widely separated above by upper 

 arm-plates, which are hexagopal, much broader than long, very flat and thin, 

 with outer and inner edges straight, and ill-marked lateral angles. Disk flat, 

 covered with a thick skin, under which the thin small scales are scarcely, or 

 not at all, distinguishable. Radial shields very small, rounded, and widely 

 separated; length to breadth 1 : 1.5. Interbrachial spaces below covered by 

 regular rows of very fine, minute scales, extending quite to the margin. Genital 

 scales long and very narrow, almost concealed by the disk-scales ; along the 

 free edge is a row of very fine, delicately pointed papillas, which grow longer 

 as they pass upward to make a short arm-comb. Arm-spines longer than the 

 joints, flat spatula-shape, arranged in a cluster of three just outside the tentacle- 

 pores ; of which those of the mouth-tentacles are very large, and have six or 

 seven thin, flat scales on each side ; the next three have three long thin flat 

 scales on the inner side, and one or two very small slender ones on the outer 

 side, beyond this three only, on the inner side. Color in alcohol, disk gray, 

 upper arms yellow brown. 



Station 232, 340 fathoms, 2 specimens. 



Ophioglypha palliata sp. nov. 



Plate IV. Figs. 98 - 100. 



Special Marks. — Disk-scales thin and smooth. Under arm-plates, within 

 disk, large and touching each other. Arm-comb of sharp needle-like papillaj, 

 with a well-marked under comb on the arm itself. 



Description of an Individual (Station 164 a). — Diameter of disk 10.5 mm. 

 Width of arm close to disk 2.5 mm. Five or six small mouth- papilla; on 

 each side, the two outermost being short and blunt, the ne.vt three or four 

 sharply pointed, while the one at the apex of the jaw is large and rounded 

 at the entl. Mouth-shield pentagonal with a blunt angle inward, and outer 



