30 Ech. 
XIV. ECHINODERMA. 
Scotoanassa gracilis , N.W- of Galapagos, 1360 fms. ; Ludwig (70) 
Mem. Mus. Harvard, xvii, 3, p. Ill, n. sp. 
Scotodeima , n. g., with type S. setigerum , Cocos Id. ; Ludwig (70) Mem. 
Mus. Harvard, xvii, 3, p. 74, n. sp. 
Sphcerothuria , n. g., with type S. bitentacnlata, E. Pacific, 676-2232 fms., 
full anatomical description, relations to other Holothurians dis- 
cussed ; Ludwig (70) Mem. Mus. Harvard, xvii, 3, p. 141, n. sp. 
Stichopus chloronotus ; Sluiter (111) p. 104. S. regalis ; Koehler (56) 
p. 425; Marenzelleu (75) p. 15; at Cette; Koehler (55) p. 7. 
S. selenkcc , referred to Ilolothuria forslcali ; Koehler (56) p. 424. 
S. variegatus ; Sluiter (111) p. 104. 
Synallactes, n. g., with type S. alexandri , near Mariato Pt., and at Gala- 
pagos Is., 322 & 551 fms. (p. 21) ; S. cenigma , near Malpelo 
Id. and Galapagos, 1823 & 1322 fms. (p. 26) : Ludwig (70) Mem. 
Mus. Harvard, xvii, 3 : n. spp. 
Sgnapta abyssicola , var. pacifica, more fully described ; Ludwig (70) 
Mem. Mus. Harvard, xvii, 3, p. 174. S. beselii ; Sluiter (111) 
p. 105, S. digilala ; Marenzelleu (75) p. 23; segmentation of 
ovum ; Braem (15). S. glabra ; Sluiter (111) p. 105. S. godefroyi ; 
/. c. S. grisea , n. var. alba, Thursday Is. ; l. c. S. indivisa , 
maintained distinct from S . reciprocans ; l. c. S. inhaerens ; Meiss- 
ner & Collin (80) p. 344 ; ova described ; Crety (27) p. 264. 
S. kefersteinii , with rudimentary calcareous deposits ; Sluiter (111) 
p. 105. S. serpentina ; /. c. S. similis (?) ; l. c. 
Theelia , rediagnosed ; Ludwig (70) Mem. Mus. Harvard, xvii, 3, p. 135. 
Thyone aurantiacus , at Cette ; Koehler (55) p. 7. T. fasus ; Meissner 
& Collin (80) p. 345. T. inermis ; Marenzelleu (75) p. 23. 
Thyonidium pellucidum ; Pfeffer (93) pp. 109 & 123. T. rigidum ; 
Sluiter (111) p. 105. 
Trochostoma thomsoni ; Pfeffer (93) p. 122. T. violaceum (Studer), 
an Antarctic form found N. of Equator ; Ludwig (70) p. 157. 
T. gramdatum , E. Central Pacific, 1471-2232 fms. (p. 158) ; T. inter- 
medium, G. of Panama and California, 730-995 fms. (p. 161): 
Ludwig (70) Mem. Mus. Harvard, xvii, 3 : n. spp. 
(C).-ECHINOIDEA. 
f Acrosalenia spinosa ; Riche (97) p. 75, and (98) p. 219. 
Agassizia , discussed ; Bittner (9). 
■\ Ananchytinanun, sp. indet., figured; Jimdo (49) p. 191. 
f Aniaster : — A. con/usus, Pomel, syn. of A. gibberulus (p. 703) ; A. gib - 
berulus , priority-squabbles (p. 702) ; Cotteau (23). 
Arachnoides placenta ; Bell (7) p. 412. 
jvl. incisa, Miocene, Gippsland Lakes ; Tate (116) T. R. Soc. N. S. W. 
xxvii, p. 192, n. sp. 
f Arachniopleurus arenatus ; Cotteau (23) p. 762. 
