HOLOTHURIOIDEA. (lV, B.) 
Echin. 61 
spicules figured ; Lampert (181) p. 56. — II. pervicax , colour; Lampert 
( 181) p. 53 . — Il.polii) H^rouard (126) p. 164 ; Marchisio (216) p. 4 : 
origin of gonads ; Russo (284) : ( = 11. nigra) Cuvierian organs ; Bar- 
thels (18) : is distinct from II. forskali , does not occur on Atlantic 
seaboard, and has no Cuvier’s organ; Koehler (170). — H. robsoni; 
Dendy (63) p. 48. — II. sanctori; Marchisio (216) p. 4. — H. scabra 
(p. 54); H. signata , perhaps = H. edulis Lesson, has same spicules 
(p. 53) ; Lampert (181).—//. stellati ; H^rouard (126) p. 163. — 
H. thomsoni , vide Mesothuria. — H. tremula ; Koehler (163) p. 483, 
and (164) p. 108: in only 10 fms ; Appellof (13) p. 6: referred to 
Stichopus ; Ostergren (254) p. 7. — H. tubulosa\ H^rouard (126) 
p. 164 ; Iwanzoff (138) : has no Cuvier’s organ ; Koehler (170) p. 509. 
— II. vagabunda ; Whitelegge (346) p. 161. — H. verrilli , referred to 
Mesothuria and compared with M. intestinalis ; Ostergren (253). 
II. roulei, 1300 m., Bay of Biscay, 5° 22' W., 44° 2' N., allied to II. intesti- 
nalis, has variable spicules ; Koehler (163) Rev. biol. Nord France, 
vii, p. 480, and (164) p. 105, fig. 47, n. sp. Vide Mesothuria. 
llyodcemon ijimai ,> Sagami Bay and outer part of Tokyo Bay, over 250 
fathoms; Mitsukuri (239) Anuot. zool. Japon. i, p. 133, n. sp. 
Lcetmogone violacea ; Perrier (265) p. 900. — L. wyville-thomsoni, colour 
and shai)e in living state; Koehler (164) p. 117: Bay of Biscay, 
slight variations from Theel’s description; Koehler (163) p. 492. 
Mesothuria , rediagnosed, and to it are referred following species — aspera(V), 
intestinalis, lactea, magellani, multipes, murrayi , roulei (V), thomsoni, 
verrilli', Ostergren (253) p. 351. — M. intestinalis (dim Holothuria) 
Ascan., redescribed, with figures of spicules, anatomical notes ; Oster- 
gren (253) p. 347. 
Molpadiidce, relations to Cucumariidce ; Gerould (100) p. 180. 
Molpadonia, order defined; Haeckel (116) p. 441. 
Mulleria cchinites; Lampert (181) p. 59; Whitelegge (346) p. 160.— 
M. mauritiana, colour; Lampert (181) p. 59. 
Nectothurice , order founded for Pelagothuria ; Haeckel (116) p. 440. 
Oneirophanta mutabilis ; Perrier (265) p. 900. 
Orcula cucumiformis , additions to previous description; Lampert (181) 
p. 61. 
Paractinota, sub-class defined; Haeckel (116) p. 438. 
Peniagone, restricted; Perrier (265) p. 901. — P. azorica; HIcrouard 
( 126) p. 164; Perrier (265) p. 901. 
P. porcellus, N. Atlantic, precise locality and depth not given and no 
figures; Perrier (265) C.R. Ac. Paris, cxxiii, p. 901, n. sp. 
Pentacta frondosa ; Honeyman (131) p. 258. Vid e Cucumaria. 
Periamna, n. g., including Peniagone naresi (genotype), Scotoplana insignis, 
S. robusta, and a n. sp. Periamna roseum, N. Atlantic, precise locality 
and depth not given and no figures; Perrier (265) C.R. Ac. Paris, 
cxxiii, p. 901. 
Pseudocucumis africana , with young form, inch P. thdeli Ludwig, dis- 
cussed ; Lampert (181) p. 61. 
Pseudostichopus villosus , Hisrouard (126) p. 164. 
P solus antarcticus, care of brood; Ludwig (205). — P. ( Cuvieria ) fabricii ; 
Vanhoeffen (333) p. 242.- — P. phantapus\ loc. cit.; Honeyman (131) 
p. 257; +Bell (33) p. 12. 
P. macqiiariensis, Macquarie Is., N. Z. ; Dendy (63) J. Linn. Soc. xxvi, 
p. 41. — P. tessellatus, 1700 metres, 6° 15' W., 45° 47' N. ; Koehler 
( 164) Ann. Univ. Lyon, xxvi, p. 119: n. spp. 
Psychropotes buglossa , and P. fucata , N. Atlantic, precise localities and 
depths and figures not given ; Perrier (265), U.R. Ac. Paris, cxxiii, 
p. 902. — P. grimaldii, 4020 m., E. of Sfto Miguel, 38° 9' N., 11° 
36' W. (Paris), spicules figd; H^rouard (126) pp. 164, 167 : n. spp. 
