OPHIUROIDEA. 
J Wch. 87 
(E.)— OPHIUROIDEA. 
Classification of the Class ; Perrier (213) pp. 854-857. 
f Acroura : the generic validity discussed; Neviani (200) p. 217. A. 
brodiei , Wright ; Woodward (276) p. 370. A. granulata , see under 
Opliiura. 
Amphilepis norwegica, Ljungm., distribution ; Grieg (106) p. 16. 
Amphiura , Forbes, described ; Bell (16) p. 117, Fjelstrup (84) p. 26. 
A bellis, var. tritonis , Hoyle ; Bell (16) p. 121. A. borealis , G. 0. 
Sara; Bell (16) p. 121 : distribution; Grieg (106) p. 15. A. 
chiajei , Forbes; Bell (16) p. 117, Fjelstrup (84) p. 27, Petersen 
( 216) p. 46 : distribution ; Grieg (106) p. 11. A. congensis , Stud , 
colour; Stud Eli (256) pp. 22 & 30. A. duncani , Lym., described ; 
Loriol (154) p. 404. A. elegans, Leach ; Bell (16) p. 119, Gars- 
tang (92) p. 335, Petersen (216) p. 46 : distribution, Grieg (106) 
p. 13. A. cugenice, Ljungm.; Studer (256) p. 287. A. filiformis , 
O. F. Mull.; Bell (16) p. 119, Fjelstrup (84) p. 27, Petersen 
( 216) p. 45: distribution; Grieg (106) p. 12. A. modesta , Stud., 
colour; Studer (256) p. 269. A. securigera, Diib. & Kor.; Bell 
( 16) p. 120. A. sp. ; Field (82) p. 84. A . squamata , Della Chiaje; 
Fjelstrup (84) p. 26 : development ; Macbride (159), Cuenot 
( 59), Russo (230). A. studeri , Lym., distribution ; Studer (256) 
pp. 144, 145, & 164. A. sundevalli, M. & T., Greenland ; Grieg 
( 105) p. 9. A. tomentosa , Lym., distribution; Studer (256) p. 164. 
f Aspidura ludeni , Hag.; Geinitz (96) p. 190. 
Astronyx and A. loveni , M. & T.; Bell (16) p. 136 : genital fissures, 
stomach, distribution ; Grieg (106) p. 29. 
Astroscliema flosculus , Coral bank N. of Madras, 88 fms., Alcock, 
J. Asiat. Soc. Bengal, lxii, p. 173, n. sp. 
J Euryale aspera, Lam., colour ; Studer (256) p. 195. 
Gorgonocephalus , Lym. ; Bell (16) p. 137. G. agassizi , Stimps., Labra- 
dor, development of apical system ; Grieg (105) p. 10: growth, 
changes, distribution ; Grieg (106) p. 35. G. eucnemis , M. & T. ; 
Bell (16) p. 138 : includes G. malmgreni, distribution ; Grieg (106) 
p. 32. G. lamarchi , M. & Tr. sp., distribution ; Grieg (106) p. 31. 
G. linclci , M. & T.; Bell (16) p. 137 : development of apical system; 
Grieg (105) p. 11. G. malmgreni , Dan. & Kor., a variety of G. 
eucnemis, q.v. G. pourtalesi , Lym., distribution; Studer (256) 
pp. 149 & 164. 
Ophiacantha , M. & T. ; Bell (16) p. 127. 0. abyssicola , G. 0. Sars ; 
Bell (16) p. 128, Nordgaard (201) p. 5 : variations of spines, 
distribution ; Grieg (106) p. 24. 0. bidentata , Retz.; Bell (16) 
p. 127 : distribution, Greenland and Labrador; Grieg (105) p. 10, 
and (106) p. 22. O. fralerna , Yerrill, a variety of O. bidentata - 
Grieg (106) p. 22. O. imago , Lym., distribution ; Studer (256) 
p. 164. O. spectabilis , G. O. Sars ; Bell (16) p. 128 : distribution ; 
Grieg (106) p. 24. 0. stimulea, Lym. ; Studer (256) p. 273. 0. 
