x THE VOYAGE OF H.M.S. CHALLENGER. 
PAGE 
Definition of genus Metacrinus, . 5 : : . : . 339 
Synopsis of the Species, : 4 . ; : : . 3844 
Metacrinus angulatus, 0. sp., - : . : . é . 345 
cingulatus, D. Sp., - P 5 ‘ 5 , ee OAT 
Murray, D.S8)p., — - : ; : : : . 9349 
nobilis, N. sp. . ; ? . 3 ; . 351 
varians, 2. Sp., —. : : : : : - 3853 
moseleyt, D. sp... : . ‘ ; 3 a8 (ODD: 
wyvillii, Dn. sp., —- c 5 5 ; : . 308 
costatus, 1. sp., : : 3 : ; : . 360 
nodosus, D. 8p. 5 ; ; : A ood: 
interruptus, 0. Sp., - : : . : ; oe cli 
tuberosus, D. Spy - : : 3 . , 369 
family Comatulide, and Definition of genus HM eee : : : a) eo) 
Thaumatocrinus renovatus, P. H. Carpenter, . 3 . . - 32 
{1,—Bavurmetrica® DisTRIBUTION AND Station Lists, P 374 
tation List of the Stalked Crinoids which have been eesti by the various s British 
J ns for Deep-Sea Exploration between the Years 1868 and 1880, .. ous: 
Station Tae t of the Stalked Crinoids which have been obtained by the various American 
Expeditions for Deep-Sea Exploration (mostly under the direction of Mr. Alexander 
Agassiz) between the Years 1867 and 1880, . ; 379 
A List of the known Living Species of Stalked Crinoids, Shenae their Bathpmcical aa 
Geographical Distribution, . : i 5 , : 5 . 3885 
Analysis of this List, é : ; ; . j ; : . 388 
Bathymetrical Tables, ; ; : : : ; : : . 388 
Summary, : : : : ‘ : : . 390 
Crivoids of the itty ssal Tees : : : . 5 : : Beeotuil 
APPENDIX. 
PAGE 
Nore A.—On the Homologies of the Crinoidal Calyx in the other Echinoderms, ; : oe 
Apical System of Urchins and Starfishes, : 5 5 <a ; = okh: 
Origin of the Odontophores of Starfishes, ; : : = ooo. 
The Mutual Relations of Crinoids, Asterids, and Rehintds . ‘ , . 400 
Norr B,—On the Basals of Fossil Comatule,  . : : : : . 402 
Nore C.—On the Excentric Position of the Mouth in Achtnomety os 403 
Nore D.—On the Supposed Communication of the Chambered Organ and Labial Plexus swith the Bate ior, 404 
Nore E.—On the Intervisceral Blood-Vessels, . : o4.0D 
Nore F.—On the Relation of the Vascular Systems of a nnd to ose of the other ieuiniodenns, . 405 
Nore G.—The Nervous System of the Crinoidea, : : : ° 4 5 . 407 
The Nervous Nature of the Axial Cords, : ‘ 5 ; : een 
Their Morphology and Development, . : c 5 c : . 410 
Nervous System of the Blastoids, : ; : : : 4 SAS 
The third Nervous System of Jickeli, . g ; . : : . °415 
BrsLioGRAPHY OF THE NEOCRINOIDEA, : : : : ; ; : ab elie 
InpDEX TO AUTHORS QUOTED, . 5 : : ; : 3 5 3 : 429 
GENERAL INDEX, : ; 5 . 5 : : : ; . eo 
EXPLANATION OF THE PuatTEs, . : : : 3 3 3 5 E . 441 
