66 



BULLETIN OF THE 



OPHIOGLYPHA. 



TABLE OF SPECIES HEREIN DESCRIBED, 



Note. Following these descriptions will be found the species previously known and brought 

 back by the " Challenger," namely, 0. Sarsii, 0. acervata, 0. sinensis, 0. falci/era, 0. hcxactis, 0. mul- 

 tispina, 0. Lymani. 



Disk rather flat, and covered with imbricated scales. Under arm-plates small, 

 widely separated ; much wider than long beyond the second phite, and thereafter 

 constantly diminisiiing in size. Arm-comb of more or less needle-like iJapilla;. 

 Arm sliglitly flattened, with spines about as long as a joint. Tentaele-scales few 

 beyond tlie second pair of pores. (This is the typical form of the genus based on 

 0. ciliaia.) 



Disk covered with smooth skin, through which the very small scales are scarcely \ q 

 or not at all visible. Arm spines long, broad, and flat. ( ' 



Disk-scales thin and smooth. Under arm-plates, within disk, large and touch- f 

 ing each other. Arm-comb of sharp needle-like papillae, with a well-marked under •{ 0. 



comb ou the arm itself. 



Disk thin, with rather deli- 

 cate scales, arms slender, with 

 small spines. Papillae of arm- j 

 comb sharp and cylindrical. 



4" 



Disk covered with smooth, 

 moderately thick scales. Arm- 

 spines small and sliort. Second 

 under arm-plate about as long 

 as broad, those farther out mucli 

 broader than long. PapillK of 

 arm-comb rloso-set, fiat, and 

 with rounded ends. 



Disk-scnles of moderate size, 

 thick, and swollen. Very small, 

 narrow side mouth-.sliield». 

 Arm spines short. Tent.icle- 

 scalcs numerous. Under ann- ' 



{ilaten within disk about as 

 iroad as long, and separating 

 the side arm-pIatcs. 



Disk smrH>th and flat, with 

 licales, railial sliicldH.atid mouth- 

 shielils all small. Arm-spines 

 few anil small. Moulli-jia))illu; 

 and UmtA'de-sfnles similar, nu- 

 merous, even, nnd close-set. 



Disk high nnd arrhi-d. Arms short and thick. 



I 



Four arm-spines ; one long and high up, three 

 short and low down. Radial shields touching 

 without ; disk-scales angular. 



Three arm-spines ; one long and high up, two 

 short and low down. Radial shields separated ; YO. 

 disk-scales small and curved. 



Four very short, peg-like arm-spines equally 

 j spaced. 



I Three slender, equally spaced arm-spines. 

 ( Mouth-shield trefoil, with a long lobe inward. 



Three very short, small, sharp arm-spines, 

 low down. Mouth-shield wider than long, with 

 a point within. Radial shields long and sepa- 

 rated. 



Three very short, small, sharp arm-spines, 

 low down. Mouth-shield as broad as long. Ra- 

 dial shields short, rounded, and separated by 

 the fine scaling of the disk. 



Tliree very short conical arm-spines, standing 

 on middle of edge of jilate. Disk-scales coarse 

 an<l rather thick. Radial shields broader than 

 long and joined. 



Tliree very short, blunt, peg-like arm-spines, 1 

 evenly spac^ed. Disk-scales few and large. Ra- > 0. 

 dial shields long and separated. J 



Six sliort, blunt, peg-like, evenly spaced arm- 1 

 spines. Arms narrow. Radial shields short and )-0. 

 separated by one or two large rounded plates. J 



Three slender pointed arm-spines, about two 

 thirds as long as a joint. Disk-scales few 

 . mostly large. Radial shields large and joined 



■ 0. ferruginea. 



flagellata. 

 palliata. 



hpida. 



Ljungmani. 



aqiialis. 

 imbecillis. 



Three short, blunt, peg-like arm-spines evenly 

 spatted. Pajtilla; of arm-comb short, close-set, 

 and sharp. 



Four short, blunt, peg-like arm-spines, three 

 together, low down, and one higher up. Papilla; 

 of arm-comb short, close-set, and squarish. 



; two 1 

 .•and yO. 

 led. J 



0. 



0. irrorata. 



0. orbiculata. 



0. undulata. 



costata, 

 albata. 

 jejuna. 



hrevispinat 

 E. A. Km. 



ambigua. 



Three to five short, sharp arm-spines, about 

 half as h>ng as a joint. 



Five very minute, blunt arm-sjiines, which 

 often are rubbed oil' or naturally wanting. 



Each under arni-platc liaving a ) « 

 median, clongat^id, bead-like swelling. {Type o/O. Uluwitiii.) f ^' 



. Ijovcni. 

 . fratema. 



elevata. 



