38 



THE VOYAGE OF H.M.S CHALLENGER. 



Table of Species of OpliioghjpJia — continued. 



Papilla of arm comb continued along outer ends of the large radial sliields, and on \ 



the margin of the inserted upper arm plate. Large depressions between basal > Opliioglyplia multispina. 

 under arm plates, . . . . . . . . j 



Basal under arm plates, beyond the second, about as long as broad, squarish, and "J 



with water pores between them. Arms high, with swollen upper arm plates' ri i ■ i 7 7'^ 



and very small spines. Upper disk covered in great part by 

 primary plates and by radial shields, . 



Disk covered with much-swollen lumpy plates. Genital scales wide, thick, and in \ 



a single piece. Basal under arm plates longer than wide. PapiUaj of arm comb > OpMughjpha rugosa. 

 short, flat, close-set, and with rounded ends, . . . . . j 



Disk plates high and excessively swollen. ITpiaer arm plates rising in a high sharp \ ^ i • , i ■, 



■ 1 A • • i 1 i 111 Till 111 ^ > Oplnoqlypha ponderoi 



ridge. Arm spines minute, close-set, and like httle blocks, . . ^ t- j jj:- r 



Interbrachial space below covered by only one or two plates besides the genital 1 



scales. Upper arm plates rudimentary or wanting. Tentacle pores of arm with > Ophioglypha minuta. 

 only one rounded scale, . . . . . . . j 



Disk thick, and covered with thin smooth scales. No arm comb nor papillce along \ r) j ■ j j 

 genital openings. Basal under arm plates, beyond the second, short and wide, . j 



r 



m inermis. 



Disk and arm plates thick, swollen, 

 and closely soldered. Mouth 

 papiUje and scales of mouth ten- 

 tacles thick, squarish, irregidar, and , o 

 crowded. Arm spines minute, 

 with tentacle scales similar in 

 form, and standing only on side 

 arm plate, inside the pore. 



^25 



Side mouth shields large and ovoid. \ 



Radial sliields and primary plates > Ophioglypha deshayesi. 

 circidar and similar, . . j 



Side mouth shields smalL Mouth 1 



shield broader than long, with a V Ophioglypha inornata. 

 jieak inward, . . . j 



Disk plates irregular and himipy. A \ 



group of papiUa' near the arm, on > Ophioglypha coufragosa, 

 margin of iuterbrachial space, . j 



A small arm comb. Side mouth shields very \ o z- j ? 

 narrow, . . . . ^ 1 9 JP 



ha intorta. 



Ophioglypha sinensis, Lym., 111. Cat. Mus. Comp. Zool., No. vi. p. 12, pi. i. figs. 

 1, 2, 1871 ; Bull. Mus. Comp, Zool., vol. v., part 7, p. 99, 1878. 



Off Yokohama, Japan; 8 to 15 fathoms. Station 233&.— May 26, 1875; lat. 34" 20' 

 N., long. 133° 35' E. ; 15 fathoms; mud. 



. Ophioglypha kinhergi, Ljn. (PI. IV. fig. 7). 



Ophioglypha kinhergi, Ljn., Om Niigra nya arter, Of. Kong. Akad., p. 166, 1866. 

 Ophioglypha fermginea, Lym., BuU. Mus. Comp. Zool., vol. v. part 7, p. 68, pi. iii. fig. 76. 



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

 separated ; much wider than long beyond the second plate, and thereafter constantly 

 diminishing in size. Arm comb of papillse more or less needle-like. Arm sUghtly 

 flattened with spines about as long as a joint. 



