HOLOTHURIOIDEA, ECHINOIDEA. (IV, B, C.) Ecllin. 61 
calcareous ring and other notes ; Perrier (249) p. 32, pi. iii and figg. 
T. unisemita ; Clark (55) p. 10. 
Tkyonidium anatinum , vide sub Phyllophorus. T. pellucidum and T.pro- 
ductum; Clark (55) p. 11. 
7'rochoderma } differences from Myriotrochus ; Ostergren (235) p. clx. 
Trocliodota dunedinensis , added notes (p. 123), T. purpurea , added notes 
(p. 76); Perrier (249). 
Trockostoma albicans , added notes (p. 89, pi. xiii), T. andanienense , added 
notes (p. 90, pi. xiii) ; Koehler & Vaney (164). T. boreale ; Schmidt 
(291) p. 20. T. concolor n. sp., 475 fm., B. of Bengal (p. 91, pis. v, 
xiii), n. var., caudatum, 637-800 fm., Stat. 199, 8° 40' N., 81° 27' 35" E. 
[this is in the middle of Ceylon] (p. 92, pi. xiii), T. ecalcareum n. sp., 
300 fm., S. Coromandel Coast (p. 94, pi. xiii), T. elongatum n. sp., 
922 fm., N. of Andaman Is. (p. 92, pis. i, xiv), T. granulatum (p. 89) ; 
Koehler & VanEy (164). T. ooliticum ; Clark (55) p. 12. T. pau- 
perism n. sp., 446 fm., S. Coromandel Coast; Koehler & Vaney 
(164) p. 93, pi. xiii. T. turgidum ; Clark (55) p. 12. T. violaceum ; 
Perrier (249) p. 65. 
+ Uncinulina polymorpha ; Hucke (143) p. 167, pi. xxiii. 
Ypsilothuria bitentaeulata (Ludwig 1894), inch Y. attenuata E. Perrier 
“ 1891 ” [i.e. 1886, in either case has priority and validity]; Koehler 
& Vaney (164) p. 87. 
(C).— ECHINOIDEA. 
iAcrocidaris, diagnosis; Savin (286) p. 226. A. formosa ; Maury (210) 
p. 583. A. minor ; Savin (286) p. 227, pi. iv. A. nobilis ; Kilian 
(156) p. 818 : Maire (206) p. 229 : Savin (286) p. 226. 
■ \Acropeltis , diagnosis ; Savin (286) p. 199. A. aequitubercidata ; DouvillE 
(84) : Kilian (156) pp. 807,818 : Lambert (172) p. 574 : Savin (286) 
p. 200. 
iAcrosalenia , diagnosis; Savin (286) p. 224. A. sp. ; ThEvenin (313) 
p. 76. A. meslei ; DouvillE (84) : Gauthier’s figure criticised ; 
Lambert (172) p. 670. A. patella ; Savin (286) p. 225. A. cf. pisum ; 
ThEvenin (313) p. 87. A. spinosa; Lissajous (183) p. 697. 
\Amblypygus dilataius ; Doncieux (81) p. 107 : n. var. costulatus , Mid. 
Eocene, Pyramids of Ghizeh ; Fourtau (98) pp. 133, pi. i. 
Amphidetus cordatus; Colgan (61) p. 212. A. ovatus\ H0RRING (142) 
p. 189. 
+ Amphiope neuparthi n. sp., Miocene, Bom Jesus, Loanda; Loriol (195) 
p. 133, pi. x : Choffat (50) p. 43. 
Amphipneustes is related to Abatus : Ai hoehleri n. sp., off S. Georgia, 
Antarctic ; Mortensen (220) p. 243, no fig. 
+ Ananchytes, vide Echinocorys. 
\Anisaster gibberulus ; Beadnell (24) p. 52 : variations in fasciole; Lam- 
bert (171) p. 157 footnote. 
Araeosoma fenestratum, distrib. ; Doederlein (79) p. 377. 
Arbacia dufresni ; Porter (260) p. 131. +A. monilis ; Couffon (63) 
pp. 165, 214. A. nigra ; Porter (260) p. 131. A. punctulata; Clark 
(55) p. 8 : Garrey (108). 
Arbacina, discussed and maintained : A. pallaryi; Checchia (49). t A. 
tenera ; Airaghi (5) p. 47. 
t Archaeocidaris : — A. sp. ; Hind (138) p. 121 : Ward (330) pp. 294, 320, 
343 : cf. benburbensis et vetusta ; Bather in Stobbs (308) and pi. A. 
cf. munsterianus (p. 316), A. nerei (p. 196), A. sixi (pp. 117, 182, 187); 
Mallada (208). A. urei ; Hind (139) pp. 235, 237. A. wortheni ; 
Ulrich (321) p. 33. 
