10 Echin. V. Echinoderma. 
Eocene. — A ldrich, 3 ; Bell, 7 ; 
Bonarelli, 13 ; Gortani, 59 ; Harris, 
63; Lambert, 79 & 80a; Popescu- 
Voitesti, 103 & 104 ; Savornin, 113 ; 
Stefanini, 121c; Trauth, 125. 
Upper Cretaceous. — B ohm, 12 ; 
Bonarelli, 13; Currie, 40; Das- 
Gupta, 42 ; Demoly, 44 ; Foerste, 
49 ; Fourtau, 53 ; Franke, 55 ; 
Hawkins, 65 & 66; Lambert, 79 & 
80; Oppenheim, 100 & 101 ; Ord, 102; 
Schondorf, 114; Spengler, 118; 
Stefanini, 121b; Wichmann, 132; 
Winton & Adkins, 133. 
Lower Cretaceous. — A dkins & 
Winton 1 , 1 ; Bonarelli, 13 ; DIsmoly, 
44 ; Fossa-Mancini, 51 ; Fourtau, 
53 ; Hennig, 68 ; Hume (and others), 
72 ; Lambert, 77 & 79 ; Rodiohiero, 
108a; Sheppard, 117; Winton & 
Adkins, 133. 
Upper Jurassic. — B estel, 11; Fossa- 
Mancini, 51 ; Gemmellaro, 57a ; 
Hume (and others), 72 : Lemoine, 82 ; 
Leuthardt, 84a ; Mauve, 90 ; New- 
ton, 96 ; Rabowski, 105 ; Schondorf, 
115 & 116. 
Lower Jurassic. — B estel, 8 & 9; 
Hume (and others), 72; Leuthardt, 
84 & 84a. 
Lias (& Rhaetic). — B estel, 10; 
de Brun & Vedel, 15; Couffon, 
38 ; Dubar, 45a ; Fabiani, 47 ; 
Hauf, 64a ; Lambert, 76. 
Trias. — Vilaseoa, 128. 
Upper Carboniferous. — M cCourt, 91 ; 
Moore, 92 ; Weller, 131 ; Winton 
& Adkins, 133. 
Lower Carboniferous. — A gos, 2 ; 
Barton, 41 ; Girty, 58 ; Honess, 
70 ; Reynolds, 108 ; Stainier, 121 ; 
Weller, 130. 
Devonian. — C ollin, 37 ; Grabau, 
60; Maillieux, 87; Reeside, 107; 
Springer, 119 & 120 ; Thomas, 124. 
Silurian. — G ardiner, 57 ; Hede, 
67 ; Thomas, 123. 
Ordovician. — C lark, 33 ; Foerste, 
50 ; Harris & Crawford, 64 ; Holte- 
dahl, 69a ; Hume, 71 ; Raymond, 
106 ; Ulrich & Kirk, 126. 
Cambrian. — F oyles, 51. 
[1921] 
III.— SYSTEMATIC INDEX. 
Holothurioidea. 
Cucumaria frondosa, Runnstrom & 
Runnstrom 110. — O. echinata, Ohshima 
98. — G.y Bush 16. — C., Clark 21. 
■\Gucumaria, Bell 7. 
Cucumariidae, Clark 23. 
Holothuria with H. altimensis, axio- 
loga, cumulus , hypamma , subverta spp. n. 
Torres Straits, Clark Dept. Mar. Biol. 
Carnegie Inst. 10 pp. 172 175-177 182 
pis. xxxvii figs. 20-29 ; xxxviii figs. 
1-13 14-19a 20-32. 
Holothuriidae, Clark 23. 
Hololhuroidea, Clark & Wheeler 34. 
Leptosynapta latipatina sp. n. Torres 
Straits, Clark Dept. Mar. Biol. Carnegie 
Inst. 10 p. 161 pi. xxxvi fig. 12. 
Lophothuria, Clark 21. 
Molpadia, Bush 16. 
Myriotrochus, Clark 21. 
Pseudocucumis with P. euryslichus 
sp. n. Torres Straits, Clark Dept. Mar. 
Biol. Carnegie Inst. 10 p. 109 pi. xxxvii 
figs. 9-19. 
Psolus phantapus , Runnstrom & 
Runnstrom 110. — P., Clark 21. 
f Psolus, Bell 7. 
Synaptidae, Clark 23. 
Thelenota with T. anax sp. n. Torres 
Straits, Clark Dept. Mar. Biol. Carnegie 
Inst. 10 p. 185 pi. xviii fig. 3. 
Eoiiinoidea. 
' \Acrolu<tia [? gen. n.] (Type A. gau- 
thieri Lambert), Lambert Mem. Soc. 
Acad. Aube 83 & 84 pp. 155-156 167 pi. i 
fig 14. 
f Actinophyma, Currie 40. 
A'eropsis gen. n. pro Aerope Wyv.- 
Thoms. non Leach nec Albers, A. 
rostrata, Mortensen 92a p. 90. 
f Agassizia, Bell 7. — A., Harris 63. 
•fAm6Zyp?/gfM5,lPoPESCU-VoiTESTi 103 
& 104. 
fAmphidetus, Bell 7. 
fAncmchothuria gen. n. with A. tessel- 
lata sp. n. Mesozoic [? Lower Cretaceous 
or Upper Jurassic] Italy, Fossa-Man- 
oini Atti Soc. Tosc. Sci. Nat. (Mem.) 
Pisa 33 pp. 3-18. 
