•50 Echin, 
XIV. ECHINODERMA. 
[1904] 
Semperia drumondi H6rouard ; Pace (205). 
Stichopus ; Delage (54) p. 322, figg. >S'. chloronotus ; Gardiner (95) p. 339. 
^S". regalis) Bertrand (27): Dubois (72) : Henri (116) p. 19. S. tre- 
mulus; KiAER (140). 
Synallactes descr. ; DELA(iE (54) p. 323. >S'. moseleyi^ not a Bathyplotes ; 
Perrier (212) p. 13. 
Synallactinae^ defined with list of genera ; Delage (54) p. 323. 
Synapta descr. ; Delage (54) p. 332, figg. : auricularia ; Lo Bianco (154) 
p. 55, pi. xxxiv. S. digitata ; Mar. Biol. Ass. (184) p. 206. S. inhaerens ; 
1. c. : Malard (180): descr., range; Clark (38) p. 571, pis. xi, xiv. 
*S'. cf. ooplax; Gardiner (95) p. 338. S. roseola, descr., range; Clark 
(38) p. 571, pis. xi, xiv. S. vivipara; Ludwig (164) p. 689. 
Synaptmae Subfam. ; Delage (54) jj. 337. 
fheelia ; Delage (54) p. 320. 
Thyone ; Delage (54) p. 320, figg. T. briareus, descr., range, habits ; 
Clark (38) p. 567, pis. xi, xiii. T. fusus; Malard (179) p. 195 : Mar. 
Biol. Ass. (184) p. 206. T. lechleri, sclorites ; Perrier (212) p. 15. 
T. raphanus; Malard (179) p. 195. T. rubra; Ludwig (164) p. 689. 
T. scabra, descr., range ; Clark (38) p. 568, pis. xi, xiii. T. spectabihs, 
calcareous ring; Perrier (212) p. 15. T. unisemita, descr., range; 
Clark (38) p. 569, pis. xi, xii. 
Thionepsolus [sic. err. pro Thyonepsolus] ; Delage (54) p. 320. 
Trochoderma ; Delage (54) p. 337. T. elegans; Michailovskij (191). 
Trochodota; Delage (54) p. 337. 2\ purpurea; Perrier (212) p. 17. 
Trochostoma ; Delage (54) p. 332, fig. T. boreale ; Michailovskij (192) 
p. 161. T. ooliticum, incl. T. boreale but not T. arcticum or T. turgidum, 
descr., range ; Clark (38) p. 570, pis. xi, xiii. 
Ypsilothuria ; Delage (54) p. 321. 
(C).— ECHINOIDEA. 
Classification of Ech., phylogenetic, causes of change ; Douville (66) p. 72. 
Echinidia divided into Subclass 1. Regular iae with Orders Palechinida^ 
Echinothurida, Cidarida, & Diademida, 2. Irregidariae with Orders 
Holectypida, Clypeastrida, & Spatangida; Delage (54). Diagnoses 
of Orders, Families, and Genera, with lists of spp. and distrib., con- 
tinuing Regularia from Temnopleuridae, and all Irregidaria ; Meissner 
in Hamann (112) [for scheme of classification down to Sub-famm. see 
Introduction to last year's Record, p. 6]. Eehinoidea Regularia^ 
classifications of Pomel, Duncan, Lambert, Gregory, and Bell discussed, 
following proposed : Order I Entobranchiata, with one Suborder, 
Cidaroida, Famm. Archaeocidaridae <£• Cidaridae ; Order II, Ecto- 
branchiata with Suborders 1, Streptosomata, Famm. Lepidocentridae, 
Echinothuridae, 2, Stereosomata, Tribus i Diademina, Famm. Aspido- 
diademat-^ Diademat-, Fseudodiademat-, Jlicropyg-, Pedin-, Hemicidar- 
idae, Tribus ii Salenina, Fam. Saleuidae, Tribus iii, Phymosomina^ 
Famm. Arbaci-, Phymosomat-, 1 Stomechin-idae, Ivihxis, iv, Echinina^ 
Famm. Stomopneust-, Temnopleur-, Echin-, Toxopneust-, Echinometr- 
idae ; Mortensen (195) p. 47 [for smaller divisions see under Fam. 
names ; N.B. that Mortensen's Tribus are Superfamilies, whereas 
Lambert's are Sub-subfiimilies]. Palaeozoic Ech. classified and revised, 
see further sub Palae'echinoidea; Klem (142). Key to spp. of Ech. in 
East Indian Archipelago, see list iii, a, iii ; de Meijere (57) p. 220- 
237. 
Taxonomic value of the following characters : — Pedicellariae, Mortensen's 
classification discussed by de Meijere (57) p. 248, ridiculed by 
