56 Echin. 
XIV. ECHINODERMA. 
Irpa abyssicola , referred to Elpidia ; Herouard (127) p. 37. 
Kolga furcata , descr., colour in life (p. 40, pis. iii, vi, viii), AT. naaa, 
referred to Scotoplanes (p. 37), K. obsoleta , descr. (p. 41, pis. vi, viii); 
Herouard (127). Vide etiam sub Elpidinae et Periamma et Scoto¬ 
planes. 
Ldbidoplax digitata ; Herouard (127) p. 45. 
Laetmogone wyville-thomsoni , descr.; Herouard (127) p. 31, pi. iv. 
Laetmophasma (?) sp.; Herouard (127) p. 35. 
Mesothuria lacteal ; Richard (238) p. 89: descr.; Herouard (127) p. 21, 
pi. i. M. murrayi , descr.; Herouard (127) p. 23. 
Molpadia musculus is Ankyroderma and incl. A. clanielsseni ; Perrier 
(221). 
Paelopaticles atlantica n. sp., 4020 metres, E. of S. Miguel, Azores; 
Herouard (127) p. 16, pi. i. 
Pannychia glutinosci n. sp., 2102 metres, AY. of Graciosa, Azores; 
Herouard (127) p. 32, pi. iv. 
Parelpidia, vide sub Elpidinae. 
Paroriza prouhoi n. g. et sp. of Synallactinae , 4360 metres, between 
Portugal and Azores, colour in life; Herouard (127) p. 24, pis. vii, viii. 
Peniagone affinis , referred to Kolga (p. 38), P. azorica , notes on spicules 
(p. 42, pi. vi), P. challengeri , P. naresi , and P. porcellus , referred to 
Kolga ; Herouard (127) p. 38. AGde etiam sub Elpidia et Elpidinae. 
Periamma roseum , referred to Kolga ; Herouard (127) p. 38. 
Pseudostichopus depressus n. sp., 4360 metres, between Portugal and 
Azores (p. 15, pi. ii), P. occultatus, descr., and young (p. 14, pi. ii), 
P. villosus , colour in life, external appearance in life, anatomy (p. 11, 
pis. ii, vii); Herouard (127). 
P'solus phantapus ; Pearcey (218) p. 307. 
Psychropotes grimaldii , full description, colour in life, distinguished from 
P. buglossa (p. 25, pi. iii), P. kerhervei n. sp., 5005 metres, near Azores 
(p. 27, pi. iv); Herouard (127). 
Scotoanassa translucida , fully descr., colour in life; Herouard (127) 
p. 43, pis. iii, vi. 
Scotoplanes delagei , fully descr. (p. 39, pis. vi, viii), S. insignis , and 
S. robusta, referred to Kolga (p. 38); Herouard (127). A r ide etiam 
sub Elpidia et Elpidinae et Kolga. 
Stichopus californica ; Clark (46) p. 563. S. challengeri , v. sub Bathy- 
plotes , S. japonicus , young; Clark (46) p. 563, S. moseleyi , v. sub 
Bathyplotes , S. regalis\ Fuerth (90) p. 344: Herouard (127) p. 11: 
Perrier (221): arsenic; Bertrand (21). S. richardi, full description; 
Herouard (127) p. 8, pis. i, viii: is syn. of S. tremulus ; Perrier 
(221). S. tremulus , see ii, d, viii. 
Synapta, anchor plates; Herouard (125). S. digitata , urns; Cu^not 
( 52) p. 87: histology; Schneider (255) pp. 665-672. S. mhaerem, 
histology; op. cit. pp. 666, 667: urns; Cu^not (52) p. 87. 
Thyone , sp.; Bell (17) p. 214. T. briareus , feeding; Grave (106). T. 
fusus , food of fish; Pearcev (218) p. 307. T. inermis ; Herouard 
( 127) p. 45. T. raphanus , food of fish; Pearcey (218) p. 307. 
Trochostoma; Moerner (206). 
Tutela echinatci , referred to Elpidia', Herouard (127) p. 37. 
(C).—ECHINOIDEA. 
+ Acrocidaris, — A. minor , descr.; Broili (33) p. 605, pi. i. A. nobilis ; 
Schmierer (254) p. 584. 
Acrocladia sp., parasite ; Kukenthal (160). 
t Acropeltis sp.; Lovisato (177) p. 13. 
