98 Embrik Strand: 
Lias: Richardson, Vaughan & Tutcher, Horwood, Thiöry, Choffat. 
Trias: Brändlin, Schöndorf, Simioneseu, Thiöry, Wurm. 
Palaeozoicum: Perm: Beede, Lambert (12). 
Carbon: Bolton, J. W. Jackson, Holtedahl, Girty, Greene, Collins, Smith, 
Balsillie, Glauert, Springer, Nebe. { 
Devon: Collins, Maillieux, Heritsch, Luther, Clarke & Luther, Cleland, 
Springer, Salfeld (1). 
Silur: Wade, Hughes, Van Hoepen, Kiaer, Zelizko (2), Reeds, Heß von 
Wichdorff, Malaise. 
Ordovicium: Springer, Wade. 
Cambrium: Chapman, Zelizko (1), Walcott, Malaise. 
Systematik. 
Allgemeines. 
Butterfield.— Poche. — Maire & Deecke, Bul. Soc. grayloise d’Emul.11, passim. 
— Derjugin, Trav. Soc. nat. St. Petersburg 42, p. 60. — Tornquist, Zs. 
indukt. Abstamm. 6. — Bather, Encyel. Brit. 8, p. 871. 
Holothurioidea. 
Bather, 1. c. — Becher in Spengel. — Seale über Trepang. — Coupin. — 
Hol. aus Mittel-Cambrium Waleott. . 
Ankyroderma roretzi Augustin, Abh. Ak. München, Suppl. 1911, p. 32. — 
inflatum n. sp., Japan, l. e., p. 33, t. II, f. 5. 
Auricularia cf. nudibranchiata Oshima, Annot. Zool. Jap. 7, p. 347. 
Bathyplotes dofleinii n. sp., Japan, Augustin, 1. c. 
Benthogone quatrolineata n. sp., Japan, Augustin, 1. c., p. 21. 
Chiridota rotifera H. L. Clark, Journ. Exper. Zool. 9, p. 497, figgs. — varia- 
bilis Augustin, 1. c., p- 39. 
Chirodota pellucida Sokolow, Zool. Anz. 38, p. 311. — fsieboldi Maire & 
Deecke, Bul. Soc. grayloise d’Emuls. 1908, p. 29. 
Colochirus australis v. armatus Augustin, 1. c., p. 29. 
Cucumaria echinata, japonica Augustin, 1. c., p. 23—25. — frauenfeldi 
Vaney, Ann. Inst. Oc6an. 2, p. 26, figgs. 1—3. — frondosa Mortensen, 
Meddel. Grönland 45, p. 278, t. 17, f. 9, 10, 13. — japonica Oshima, 
Dobuts. Z. Tokyo 23, p. 182. — minuta Grieg Second Arctic Exped. 
in the „Fram‘““ 1909, p. 43. — tegulata n. sp., Japan, Augustin, 1. c. 
p. 24. — frondosa, die ersten Entwicklungsstadien, des Arts (1). 
tEldonia n. g., ludwigi n. Sp., Mittel-Cambrium, British Columbia, Waleott, 
Smiths. Misc. Coll. 57. 
TEldoniidae n. fam. für Zldonia Waleott, 1. c. 
Holothuria dofleinii n. Sp., Japan, Augustin, 1. c., p. 4, figgs. 
Laetmogone violacea Augustin, 1. c. 
tLaggania n. g. Holothuriidarum, Type fcambria n. sp. Mittel-Cambrium, 
British Columbia Waleott, Smiths. Misc. Coll. 57, p. 52, pl. 13, £. 1. 
TLouisella n. g. Holothuriidarum, Type L. pedunculata n. sp., Mittel-Cam- 
brium, British Columbia, Waleott, 1. e., p. 53, t. e., f. 4. 
1Mackenzia n g. Synaptidarum, M. costalis n. Sp., Mittel-Cambrium, Bri- 
tish Columbia, Waleott, 1. c., 55, figgs. 
