60 Echin. 
XIV. ECHINODERMA. 
Benthodytes , diagnosis (p. 455), table of spp. (p. 465), B. glutinosa R. Perr. 
1896, Sargasso Sea and S. of Azores, 3412 m., descr. and first figd. 
(p. 462, pis. xiii, xx), B. lingua R. Perr. 1896, off Morocco, 2200 in., 
descr. and first figd. (p. 456, pis. xii, xxi) ; Perrier (254). 
Benthogone , revised diagnosis (p. 398), B. rosea , descr., var. cylindrica 
R. rerr. 1900, maintained, var. J^-lincata R. Perr. 1900, suppressed 
(p. 399, pis. xiv, xix) ; Perrier (254). 
Benthothuria , diagnosis, validity maintained, B. funebris R. Perr. 1898, 
oft’ C. Bojador and Senegal 782-1^00 m., redescr., not yet figd. ; 
Perrier (254) p. 365. 
Chirodota : t C. sp. ; Deprat(58) pp. 35, 38, 46. C. laevis ; Michailovskij 
(223) pp. 471, 522: Ostergren (244) p. 13 : Petersen (259) : growth 
of spicules; Norman (239) p. 414, pi. xxvii. \C. sieboldi ; Deprat 
(58) p. 31. 
Chirodotidae n. fam. comprising Chirodota , Sigmodota ; Perrier (254) 
p. 292. 
Colochirus sp. (?)juv. (p. 197), C. doliolum, C. quadrangidaris n. var. 
mollis, S. of Thanni-Kodi, 8 fm. (pi. ii) ; Pearson (250) p. 196. 
Cucumaria andrewsi; Nichols (236) p. 243. C. ( Ocnus ) compressa 
R. Perr. 1 898, B. of Biscay, 627 m. descr. and first figd. ; Perrier 
(254) p. 505, pis. xii, xxi. C. conjungens\ Pearson (250) p. 191. 
C. elongata ; Lonnberg (197) p. 25: Ostergren (244) p. 24: distinct 
fr. C. montagui, name preferred to C. pentactes ; Perrier (254) p. 495. 
C. filholi n. sp., Wellington, N. Z., cotypes in Mus. Hist. Nat. Paris; 
Perrier (255) p. 144, fig. C. frondosa-, Norman (239) p. 411: 
Ostergren (244) p. 7 : Simpson (294) p. 39: arrangement of spicules; 
Michailovskij (223) pp. 463, 520. C. glacialis-, Michailovskij 
(223) p. 466, 520. C. hispida ; Ostergren (244) p. 7 : incl. Echino- 
cucumis typica Thdel 1886; Nichols (236) p. 242. C. hyndmani\ 
Nichols (236) p. 241. C. imbricata , arrangement of podia; Pearson 
(250) p. 190. C. incurvata (E. Perr. 1886} sub. Siphothuria) descr., 
distinguished fr. C. tergestina-, Perrier (254) p. 497, pis. x ii> xxi. 
C. lactea : Simpson (294) p. 39: inch Ocnus brunneus ; Nichols (236) 
p. 242. C. miiiuta , perhaps not distinct from C. frondosa ; Michailovskij 
(223) pp. 464, 520. C. pentactes ; Nichols (236) p. 242. C. planci ; 
Nichols (236) p. 241: Perrier (254) p. 495. C. saxicola-, Nichols 
(236) p. 243. C. tricolor , colour, slight variations from type (p. 188), 
C. turbinata (Hutton, sub Labidodesmus) redescr. fr. Ceylon, and 
liolotype in Brit. Mus. (p. 189, ph i) ; Pearson (250). 
Cucumariidae , diagnosis, comprises Cucumariinae and Psolinae \ Perrier 
(254) p. 492. 
Cucumaninae , n. subfam. of Cucumariidae , comprises Cucumaria, 
Thy one, Orcula, Phyllophorus, Pseudocucumis, Actinocucumis , and 
Colochirus ; Perrier (254) p. 492. 
JDeima blakei, parasitic* Gastropod ; Koehler & Vaney (170). 
Beimatidae, diagnosed, comprise Deima, Oneirophanta , Scotodeima, 
Orphnurgus , Laetmogone , Benthogone, Iliodaemon, Pannychia, Lactmo- 
phasma , Capheira (p. 371) list of spp. (p. 405); Perrier (254). 
Dendrochirota rediagnosed as Order of Pedata ; Perrier (254) p. 492. 
Echinocucumis typica ; Petersen (259). 
Elpidia rediagnosed, with single sp. E glacialis ; Perrier (254) p. 423. 
E. ambigua, vide Elpidiogone. E. glacialis, inch Tutela echinata, 
distrib. ; Perrier (254) p. 423 : variations in dorsal processes ; 
Michailovskij (223) p. 462. E. incerta, vide Elpidiogone.. E. pur- 
purea, vide Peniagone. E. rigida and E. verrucosa, vide Elpidiogone. 
E. vrillemoesi, vide Peniagone. 
Elpidiidae, diagnosis, systematic position, discussion of genera, adoption 
of Irpa, Kolga, Scotoplanes, Periamma, Achlyonice, Elpidia, Parelpidia, 
