HOLOTHURIOIDEA. (iV, B.) Echin. 59 
Holothuroidca , sub nomine Thuroidea , defined and discussed; Haeckel 
(116) p. 429. 
Classification of HolotHurians thus given by Haeckel (116) p. 442: 
I 
Paractinota 
(Paractinopoda) 
II 
Actinopoda 
(Actinota) 
' Dendrothurira 
V Aspidothurim 
Orders 
' Archithurise 
Synaptonia 
i. Nectofchurise 
’ Dendrochirota 
. Molpadonia 
’ Elasipoda 
■ Aspidochirota 
Families 
Protholothurida 
Palaeothuridal 
Synaptida 
Trochodotida 
Pelagothurida 
’ Cucumarida 
■ Psolida 
Rhopalodinida 
Molpadida 
Caudinida 
Psychropotida 
Deimatida 
Elpidida 
Stichopoda 
Sporadipoda 
Actinopoda , sub-class dofincd; Haeckel (116) p. 440. 
Ankyroderma, — anchors and anchor-plates; Ostergren (255) p. 166, fig. — 
A. danielsseni ; IIiSrouard (126), p. 165 : 13. of Biscay, notes on spicules ; 
Koehler (163) p. 492: Spicules, redescr. ; Koehler (164) p. 118. — yi. 
jeffrey sit, no muscular tubules in integument; Gerould (100) p. 133. 
t Archithuriae, hypothetical ancestral group, defined; Haeckel (116) 
p. 439. 
Aspidochirota , order defined; Haeckel (116) p. 443. 
Bathyplotes, n. g., with type Bathyplotes natans (olim Stichopus) Sars, re- 
descr., spicules figd, anatomical notes (p. 351); genus includes also 
Stichopus moseleyi, and S. pourtalesii Theel (p. 355), and S. tizardi 
Theel, redescr., respiratory trees, calcareous ring, and spicules figd; 
Ostergren (253) Festskrift for Lilljeborg, p. 354. 
B. fallax , Bergen, respiratory trees figured; Ostergren (253) op. cit., 
p. 355, n. sp. 
Benthodytes janthina ; H^rouard (126) p. 164. 
B. glutinosa and B. lingua , N. Atlantic, precise localities, depths, and 
figg. not given ; Perrier (265) C.R. Ac. Paris, cxxiii, p. 902, n. spp. 
Benthogone, n. g., with genotype B. rosea , n. sp., 1300 m., 50° 22' W., 
44° 2' N., B. of Biscay, allied to Lcetmogone ; Koehler (163) Rev. 
biol. Nord France, vii, p. 488, & (164) Ann. Univ. Lyon, xxvi, p. 113, 
figg. 2, 3, 36, 37. — B. rosea , nn. varr. cylindricd et quattuorlineata, 
N. Atlantic ; Perrier (265) p. 900. 
Caudina arenata et var. armata , detailed account of anatomy and histo- 
logy, with bibliography; Gerould (100). — C. coriacea , redescribed 
with internal anatomy ; Dendy (63) p. 29. 
Chiridota contorta , brood-pouch ; Ludwig (204). — C. dunedinensis , spicules, 
pharyngeal skeleton, and internal anatomy, described and figd, 
distinguished from C. australiana (p. 26), and spicule-growth (p. 49) ; 
Dendy (63). — C. Icevis , 20 cm. long, Egedesminde, N. Greenland; 
Bergendal (37) p. 11. — C. pisanii , with parasitic Gastropod; Lud- 
wig (206).— C. rufescens ; Lampert (181) p. 67. 
C. stuhbnanni , Tumbatu, E. coast Africa, allied to C. rigida , ciliated 
funnels dimorphic; Lampert (181) Mt. Mus. Hamburg, xiii, p. 67, 
n. sp. 
Colochirus alba Hutton sp., redescr. and figd, with internal anatomy; 
Dendy (63) p. 35. — C. anceps , Roebuck B., W. Australia, photograph 
