22 Echin . 
V. E chino derma. 
Acaudina gen. n. of Molpadiidae for 
Molpadia demissa Sluiter Clark 52 
p. 178. 
Achiridota ■ gen. n. of Chiridotinae 
for Anapta inermis Fish. Clark 52 
p. 120. 
Actinia Fallas revived in place of 
Colochiru8, type A. doliolum Poohe 
186 p. 108. 
Actinopyga Broun ante-dated by 
Microthele Brandt Gill 96 p. 185; 
prol). syn. of Microthele Fisiier 85 p. 
380 ; Hawaiian Is. spp. Fisher 84 
p. 044. — A. mauritana p. 648 fig. 
Hawaiian Is. ; A. nobilia p. 047 diagn. 
copied ; A. obesa p. 047 fig., parvida 
p. 045 fig. Hawaiian Is. Fisher 84. 
Anapta , rev., chars., key and descr. 
spp. Clark 52 p. 109 ; diagn. etc. 
Fisher 84 p. 730. — A. dubiosa Koehl. & 
Vaney, type of Dactylapta (q. v.) 
Clark 52. — A. inermis sp. n. Hawaiian 
Is. Fisiier 84 p. 730 fig. ; type of 
Achiridota (q. v.) Clark 52. — A. sub- 
tilis comp. Fisiier 84 p. 731. 
Ankyroderma reg. as syn. of Molpadia 
(q. v.) Clark 52 p. 18. — A. Jeffrey si 
chars, occ. distr. Edwards 78 p. 52 fig. 
Aphelodactyla nom. n. ( = Haplo- 
dactyla Semp. nec Grube) p. 180 ; key 
and descr. spp. p. 181 Clark 52. 
‘ Auricularia ’ larva, spicule-forma- 
tion Woodland 230. 
Bathyplotea diagn. etc. p. 089 ; B. 
patagiatua sp. n. Hawaiian Is. p. 688 
fig. ; B. pldegmaticua comp. p. 690 
Fisiier 84. 
Bathyzona chars, etc. Fisiier 84 
p. 697. 
Bohadschia Jager 1833 revived for 
TIolothuria auctt. nec Linn. Pooiie 
186, Gill 96 p. 185 ; name not 
accepted Clark 56. 
Caudina chars, rev. key and descr. 
spp. Clark 52 p. 172. — C. contracta - 
cauda sp. n. Aleutian Is. Clark 52 
p. 38 figs. — 0. coriacea chars, occ. syn. 
Dendy & Hindle 68 p. 109 figs. — G. 
obe8acauda p. 38 figs. sp. n. Florida ; 
C. planapertura p. 37 figs. sp. n. S. 
Chili (off Wellington I.) Clark 52. — 
C. pulcliella ref. to C. coriacea Dendy & 
Hindle 68 p. 109. 
Ceraplectana pp. 39, 183 gen. n. of 
Molpadiidae for O. trachy derma p. 39 
[1907J 
figs. sp. n. Behring Sea (55° 23' N. 170° 
31' W.) Clark 52. 
Chiridota (vide etiam Chirodota) ; 
diagn. Fisher 84 p. 731 ; rev., 
chars, syn. p. 113, key and descr. 
spp. p. 114 Clark 52. — C. albatrossi 
sp. n. Alaska and British Columbia 
Edwards 78 p. 50 figs. — C. amboinensis 
Fisiier 84 p. 733. — C. contorta Ludw., 
type of Sigmodota Studer Clark 52 
p. 17. — C. hawaiienais sp. n. Hawaiian 
Is. Fisher 84 p. 731 fig. — C. laevia 
occ. distr. Edwards 78 p. 49. — C. 
liberata p. 733, pisanii p. 735 comp. 
Fisiier 84. — C. regalia sp. n. Japan 
(Honshu I.) Clark 52 p. 28. — C. rigida 
p. 733 comp.; C. uniaerialia p. 733 fig. 
sp. n. Hawaiian Is. Fisiier 84. 
Chirodota (vide etiam Chiridota ) ; 
incl. Trochodota p. 112 ; C. dune- 
dinensis p. Ill comp. ; C. geminifera 
p. 112 figs. sp. n. New Zealand (New 
Brighton Beach nr. Christchurch) ; 
C. gigaa p. 110 figs. sp. n. New Zealand 
(Chatham Is.) anat. Dendy & Hindle 
68. — C. japonica p. 113 comp. Dendy 
& Hindle 68; type of Scoliodota (q. v.) 
gen. n. Clark 52 p. 125. — C. pisanii 
comp. Dendy & Hindle 68 p. 111. — 0. 
rotifera occ. Verrill 219 pp. 146, 
321. — C. rufescena type of Polycheira 
(q. v.) gen. n. Ciark 52 p. 17. 
Chondrocloea reg. as syn. of Synap- 
- tula Fisiier 84 p. 718; Clark 52 p. 
15.— O. vivipara Bermuda Is. Verrii.l 
219 p. 321 fig. 
Colochirua reg. as syn. of Actinia 
Pallas Poohe 186 p. 108. — C. calcarea 
ref. to Cucumaria brevidentis Dendy 
& Hindle 68 p. 100. 
Cucumaria alba chars, occ. syn. 
Dendy & Hindle 68 p. 99.— C. antarctica 
p. 6 figs. sp. n. Antarctica (Wandel I., 
Biscoo B., Port Charcot) ; C. attenuata 
p. 10 figs. sp. n. Antarctica (Port Char- 
cot) Vaney 217. — C. bacilliformis 
sp. n. Indian Ocean Kcehler & Vaney 
133. — C. brevidentis chars, occ. syn. 
Dendy & Hindle 68 p. 99. — C. calcigera 
chars, occ syn. Edwards 78 p. 54 figs. ; 
occ. syn. Kalisciiewskij 123 j>. 4. — 
chiloensis comp. Vaney 217 pp. 9, 20. 
— C. chronhjelmi occ. etc. Edwards 78 
p. 59. — C. crocea comp. Vaney 217 p. 
19. — C. curata sp. n. California (Cy- 
press Pt., nr. Pacific grove) Cowles 57 
figs. — C. filholi ref. to C. alba Dendy & 
