36 Eel an. 
XIV. ECHINODERMA. 
Biserial brachials not derived from uniserial, but inde¬ 
pendently developed and actually of greater geological age, 
pinnules of Camerata (Cladocrinoidea) not homologous with 
those of other crinoids (Pentacrinoidea), which latter are 
‘ ramuli 5 ; Jaekel (129) p. 377.—‘ Dactyli 5 ‘ fingers, 5 new terra 
for pirmulse of Cladoidea (Jkl.); Jaekel (130) p. 87.—Coveriug- 
plates on genital pinnules of Antedon bidens ; Doederleix 
( 77) p. 476. 
Stem,—Origin of [nothing new]; Sardesox (206).—Of Stro- 
phocrinus , and origin in Crin. generally ; Sardesox (207) p. 274. 
—Of Palaeozoic Crin., its variations and diagnostic value ; 
Waagex & Jahx (246) pp. 135-140. — Of Scyphocrinus ; 
Waagex & Jahx (246) pp. 73, 115.—Roots,—of Lower Palaeo¬ 
zoic crinoids of Bohemia, with or without loboliths ; Waagex 
& Jahx (246) pp. 189-192, pi. Ixxvi, see also “ Calpiocrinus ? 
bokemicus.” — Of Strophocr. compared with Lichenocr., “the 
root of crinoids appears to be the counterpart of the calyx in 
type of symmetry 55 ; Sardesox (207) p. 275. 
6. Hydrocoel, &c.:—Stone-canal,—development in Antedon com¬ 
pared with position in Cystidea ; Jaekel (130) p. 102. 
7-9. Vacant. 
10. Mesodermal tissues, joints:—Distribution of syzygies in 
Actinometra paucicirra ; Doederleix (77) p. 479. 
11 & 12. Vacant. 
g. CYSTIDEA. 
1-3. Vacant. 
J. Skeletal tissue or Stereom Detailed discussion of, in 
Cystidea (Jkl.); Jaekel (130) p. 70. 
5. Skeleton :—Body form and anatomy of skeleton discussed in 
detail for Cystidea (Jkl.); Jaekel (130) pp. 67 et sqq., 79, 346. 
— Skeleton of Thecoidea (= Edrioasteroidea) fully discussed; 
Jaekel (130) pp. 11 et sqq. 
“Pores 55 of Cystidea, “Pectini-rhombs” of Cystidea Rhombi- 
fera , their origin, evolution, and meaning ; Bather (22) p. 917. 
-—Thecal pores of Cystidea (Jkl.); Jaekel (130) pp. 104-124, 
184, 358. 
‘ Vectacula,’ new term for subvective grooves, i.e. ciliated 
food-grooves of Pelmatozoa (p. 13, footnote): “ Hydropliores 
palmees’ 5 not found in Pyrocystis (p. 417), nor in Aristocystis 
(p. 411): Brachioles exist in Aristocystis (p. 411): ‘Dactyli 5 
‘fingers, 5 new term for brachiola of Cystidea (Jkl.) pp. 87, 355; 
Jaekel (130).—Ambulacra of M'esites [= Mesocystis ] discussed; 
Sollas (216) p. 706. 
Stem of Giyptosphaera discussed (p. 423), Loss of stem in 
Protocrinus (p. 431); Jaekel (130). 
6. Hydrocoel, &c.:—Ambulacral system, its structure inferred 
in Cystidea (Jkl.) (pp. 79, 187, 351), and in Thecoidea (— Edrio- 
asteroidea ) (p. 12), Stone-canal of Cystidea (Jkl.) (pp. 98, 190, 
362); Jaekel (130). 
7. Coelom :—Of Cystidea (Jkl.) and course of mesenteries ; 
Jaekel (130) pp. 124, 364. 
8. Digestive system :—Course of gut in Cystidea (Jkl.) (pp. 127- 
137, 188, 364), in Thecoidea ( — Edrioasteroidea ), its coiling, 
connected with curvature of subvective grooves (p. 22); Jaekel 
(130). 
9. Nervous System: —Of Cystidea (Jkl.) (p. 143), of Thecoidea 
(— Edrioasteroidea) inferred (p. 25); Jaekel (130), 
