﻿40 



OPHIOGLYPHA. 



OPHIOGLYPHA* Lyman. 



Ttpe of the Genus, 0. lacertosa. 



Ophiura Forbes Qmn Lamk.). 



Disk covered with unequal, crowded, naked, more or less distorted 

 scales, some of which are swollen. Radial shields naked and swollen. 

 Teeth. No tooth-papillaB. Mouth-papillfe long within, but small and 

 short near the outer end of the mouth-slit, and partly hidden by the 

 scales of the mouth-tentacles. Arm-spines few (commonly three), ar- 

 ranged along the outer edge of the side arm-plates. Tentacle-scales 

 numerous ; the innermost pair of tentacle-pores shaped lilve shts, sur- 

 rounded by numerous tentacle-scales, and opening diagonally into the 

 mouth-slits. Side arm-plates meeting nearly, or quite, below, but not 

 above. In the back of the disk, where the arm joins it, a notch edged 

 with papillae. Two genital slits, starting from the sides of the mouth- 

 shields. 



GROnriNG OF SPECIES HEREIN DESCRIBED. 



Arms smooth, tapering, pretty long ; three arm-spines ; mouth- 

 shields shield-shaped, large, 



0. lacertosa. 



0. Snrsii. 



0. rohvsta. 



0. LUtkeim. 



Arms slender, smooth ; arm-spines short, 0. albida. 



Arms very short, thick, knotted ; arm-spines rudimentary, C q , 



resembling tentacle-scales; mouth-shields very long and : ^ „, ./.. 



narrow, (, 



Arms slender ; disk-scales mostly small, with a few large ones \ n js ■ 

 ,,,,., ■' ' " -10. affims. 



regularly placed in the centre, (. 



Ophioglypha lacertosa Ltman. 



Stella lacertosa Lixck. De Stel. Mar., pi. II. fig. 4, p. 47. 1 

 Ophiura lexlurata / Lamk. Hist. Anim. s. Vert., II. p. 542. 

 Ophiura texturata Forbes. Brit. Starfishes, p. 22. 1841. 

 Ophiura texturata Lutken. Addit. ad Hist. Oph., p. 36. 



LIST OF SPECIMENS. 



"Whence obtained. 



Museum of Comparative Zoiilogy. 



Meiliterranean. 

 Conway Bay. 



University Museum, 



Copenhagen. 

 Jardin des Plantes. 



f, snake ; y\v<j>f), notch. 



