INDEX. 
abyssicola, n. sp. (Synapta), 
PAGE 
14 
abyssorum, n. sp. (Cucumaria), 
66 
Acanthotrochus, Danielssen and Koren, 
38 
acicvla, Ludwig (Pseudocucumis), 
125 
acicula, Semper (Cucumaria), 
125 
Acolpos, Brandt ( = Holothuria, suhg.), 
222 
Actinia, .... 
125 
Actinocucumis, Ludwig, 
84 
125 
Actinopyga, Bronn, . . 199, 200, 202, 238 
aculeata. Semper (Holothuria), 
235 
aculeata, n. sp. (Synapta), 
13 
adversaria. Semper (Echinocucumis), 
119 
adhiops, Brandt (Holothuria, suhg. 
thele). 
Micro- 
214 
affine, Danielssen and Koren ( Ankyroderma), 
48 
affinis, Ayres (Botryodactyla), 
110 
affinis, Brandt (Holothuria, suhg. 
thele). 
Micro- 
213 
affinis, Heller (Holothuria), 
228 
africana. Semper (Cucumaria), 
108 
africana, n. sp. (Holothuria), 
174 
agassizii, Selenka (Mtilleria), 
202 
agassizii, Selenka (Synapta), 
19 
agassizii, Verrill (Actinopyga), 
202 
aglutinata, Lesueur (Holothuria), . 
238 
aglutinata, Verrill (Bohadschia), . 
238 
alha, Hutton (Chirodota), . 
119 
alba, Hutton (Echinocucirmis), 
119 
albicans, Selenka (Synapta), 
25 
albicans, n. sp. (Trochostoma), 
44 
alhida, Ludwig (Cucumaria), 
103 
alhida, Selenka (Cucumaria), 
102 
albida, Brandt (Cladodactyla, suhg. 
dados). 
Holigo- 
103 
albifasciatus, Quoy and Gaimard 
thuria). 
(Holo- 
197 
albi.fasdatus, Brandt (Stichopus), . 
197 
alMguttata, Jseger (Bohadschia), . 
alhiguttata. Semper (Holothuria), . 
alUventer, Semper (Holothuria), . 
amhoinensis, Semper (Holothuria), 
amboinensis { = atra, var.), Theel (Holo 
thuria), 
ambulator. Bell (Psolus, suhg. Hypopsolus) 
Amphicyclia, Lampert (Group), 
Amphicydus, Bell, 
ananas, Quoy and Gaimard (Holothuria), 
ananas, Semper (Stichopus), 
ananas, Jseger (Trepang), . 
Ananus, Sluiter, 
Anaperus, Troschel, 
PAGE 
239 
239 
236 
214 
214 
131 
266 
126 
196 
196 
196 
240 
133, 134, 140, 142, 144 
anapinusa, Lampert (Holothuria), 
Anapita, Semper, 
anceps, Selenka (Cercodemas), 
anceps. Semper (Colochirus), 
andersoni, Lampert (Thyone), 
andreiosii, Farran (Thyone), 
Anlcyroderma, Danielssen and Koren, . 
antardicum, n. sp. (Trochostoma), 
antardicus, Philippi (Cuvieria), . 
antardicus, Verrill (Lepidopsolus), 
antardicus, Semper (Psolus), 
aphanes, Lampert (Holothuria), 
Apnbumona, Brandt (Suborder), 
APOD A, Claus (Order), 
appendiculata, n. sp. (Pselopatides), 
appendiculata, BlainviUe (Holothuria), 
appendiculatus, Jseger (Psolus), 
Aprodus, Verloren, 
ardicum, von Marenzeller (Haplodactyla), 
arcticum, Danielssen and Koren (Trocho- 
stoma), .... 
arenata, Gould (Chirodota), 
arenata, Stimpson (Caudina), 
263 
18 
123 
123 
268 
141 
39, 48 
44 
130 
130 
88, 130 
263 
9 
9 
158 
132 
132 
Addenda 
52 
52 
54 
64 
