REPORT ON THE OPHIUROIDEA. I 



Table of Species of Ophioglypha — continued. 



Six arms. No arm comb. Radial shields almost wholly covered by fine smooth ) 



scaling of disk. Upper arm plates with numerous supplementary scales on > Ophioglypha hexactis. 

 either side, . . . . . . . . . ) 



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Three rudimentary arm spines. Under arm plates squarish, with 

 rounded corners, ....... 



Eight short, papilla-like, unequal arm spines. Under arm plates 4-sided, 

 with curved lateral sides. They are marked with short furrows, . 



Eleven very short, papilla-like, unequal spines ; besides which some 

 plates bear long supplementary spines on their sides. Under arm 

 plates 4-sided, with lateral sides curved, .... 



Disk covered by small scales, and small sunken radial shields. Arm 

 spines minute like flat papilla?, and fitting into little notches in 

 inner edge of the succeeding side arm plate, 



Under arm plates with a raised keel. Seven tentacle scales and arm 

 spines which are similar, continuous, and rudimentary. Arm comb 

 papillae minute and blunt, ..... 



Under arm plates with a raised keeL Five spaced arm spines. Papillae 

 of arm comb sharp and slender, ..... 



> Ophioglypha nodosa. 



> Ophioglypha sculpta. 



J- Ophioglypha sladeni. 



> Ophioglypha striata. 



Ophioglypha shiwitzii. 



> Ophioglypha elevata. 



Interbrachial space 

 below, covered 

 almost entirely by __ 

 the large mouth 

 shields and gen- 

 ital scales. 



Mouth shield and 

 genital seal es large 

 and conspicuous, 

 but not covering 

 the central mar- 

 gin of the inter- 

 brachial space. 



Three minute, evenly spaced arm spines. Disk ] 

 scales above rounded and of various sizes, with [>■ 

 large marginal plates, . . . . j 



Three small tapering arm spines. Disk covered 

 above by a rosette of large angular primary 

 plates, radial shields, and a few large inter- 

 brachial plates, .... 



Six minute arm spines. First under arm plate 

 broader than long ; those beyond longer than 

 broad. Radial shields separated within by a 

 cluster of large scales, . 



Four or five minute arm spines. Under arm plates 

 longer than broad. Radial shields separated at 

 inner ends by a single scale, 



Three or four minute, widely spaced arm spines. 

 Mouth shield trefoil, with a pointed lobe 

 inward, 



Three minute arm spines, high up. Radial shields 

 rounded, separated by one scale within. One 

 „ large marginal plate with small scales about it, . 



Ophioglypha hidlata. 



>0p, 



Ophioglypha convexa. 



Ophioglypha sculpt Hi.-. 



Oph ioglypha variabilis. 

 Ophioglypha ornata. 

 > Ophioglypha lacazei. 



Three minute arm spines. Disk covered by small irregular scales, small 

 separated radial shields, and very large mouth shields, 



Two minute arm spines. Mouth shield trefoil. Under arm plates axe- 

 shape. Radial shields small and rounded, .... 



Four minute, blunt, arm spines. Disk plates rough and lumpy, with 

 rosette of large primaries. Under arm plates pentagonal, 



Eleven short, pointed, close-set arm spines. Mouth shields trefoil. 

 Under arm plates squarish. About eight tentacle scales to each pore 

 within the disk, ....... 



> Ophioglypha 

 V Ophioglypha 



> ophioglypha 



lierwsa. 

 radiata. 

 undata. 



> Ophioglypha It 



