GENERAL INDEX. 



835 



Scytalocrinus, 160. 



validus, 138. (PI. VH, 2a, b, 3.) 



nov. sp. (Pi. VII, fig. 7.) 



robustus, 566. 



Secondary brachials, 34. 



Side pieces; see Adambulacral plates, 100. 



Siphonocrinus, 120, 122, 188, 209. 



armosus, 107, 122, 311. (PI. XIX, figs. 



3a-o.) 

 nobilis, 212. (PI. XIX, figs, la, b, 



2a-o.) 



pentagonus, 213. (PI. XIX, figs. 4a, b.) 



Species, recognitiou of, 155. 

 . — — characters of, 156. 



descriptions of, 652. 



Spines, movable, 748, 750. 



Sphcerocrinus concavus, 482. 



Spktsronites, 15. 



SphcBroidocrinacea, 29. 



Sphmroidocrinidce = syn. of Gamerafa, 25. 



Spyridiocrinus^ 365. 



Steganocrinus, 76, 85, 101, 110, 293, 550, 



554, 578, 639, 720. 

 araneolus, 160, 581, 723. (PI. LXI, 



figs. 2a, b.) 



Benedicti, 567. 



conciimus, 582. (PI. LXI, figs. 5a, b.) 



globosus, 585. (PI. LXI, fig. 6.) 



pentagonus, 110, 142, 579, 723. (PI. 



LXI, figs. 3a-4b.) 

 scnlptus, 78, 86, 160, 293, 583. (PI. 



LXI, figs, la-f.) 

 Stelidiocrinns, 79, 264, 279. 



argutns, 280. (PI. XXIV, fig 6.) 



capitulum, 280. 



Isevis, 280. 



ovaHs, 280. 



Stem, 32, 38, 155. 



figures of; PI. I and II ; VI, figs. 11, 12. 



growth of, 39. 



divided longitudinally, 41. 



respiratory function of, 47. 



semi-free, 49, 51. 



with coalesced infrabasals. (PI. VI, 



fig. 11.) 



of Barycrinus, 45. 



of Cupressoerinus, 45. 



of Megistocrinus, 46. 



of Platycrinns, 42. 



of Rhizocrinus, 63. 



of Strotocrinus, 639. 



Stem joints, 32, 41. 



top joint (centrodorsal) , 33, 59, 61, 



64. 



top joint (youngest joint), 59, 63,65. 



Stemmatoerinus, 59, 80, 127, 133, 160, 162. 

 Stephanocrinus, 146. 



angvdatus. (PI. VII, figs. 12, 13.) 



Stereocrinus, 77, 124, 265, 324. 



Barrisi, 326. (PI. XXV, figs. 9a, b.) 



triangulatus, 325, 326. (PI. XXV, figs. 



8a, b.) 



var. liratus, 326. 



Stomatociinoidea, 25, 148. 

 Storthingocrinns, 57, 647. 



asper, 690. 



Strotocrinus, 76, 85, 110, 551,554,626,637,638. 



• asper, 596. 



• asperrimus, 575. 



agilops, 628. 



■ hloomfieldensis, 638. 



clivosus, 630. 



dilatatus, 595. 



ectypus, 611. 



■ erodiis, 630. 



■ glyptus, 640. (PI. LX, figs, la-c ; LXV, 



figs. 2a, b.) 



insculptus, 630. 



liratus, 633. 



perumbrosus, 638, 640. 



regalis, 39, 638, 640. (PI. IV, fig. 4 ; 



LXV, figs, la-d.) 



rudis, 630. 



suhumbrosus, 633. 



tenuiradiatiis, 634. 



umbrosus, 628. 



Stylida, 17. 



Sub-basals, 66. 



Subradiah (sous-radiales) , 17, 30. 



Subspiuulosns group, 683. 



Snbtegminal, 35. 



Subtentacular canal, 36, 100. 



Snperimposed plates, 119, 121. 



Super-radials, 33. 



Supplementary plates, 34, 38, 105, 154. 



Suture, 37. 



Symmetry, bilateral, 134, 148. 



irregular, 146. 



pentamerous, 134, 146, 148, 165. 



Symbathocrinus, 57, 87, 91, 136, 157, 172. 

 Wachsmuthi. (PI. Ill, fig. 25; vni, 



figs. 8, 9.) 



