1798 



THE VOYAGE OF H.M.S. CHALLENGER. 



Stichopterygium 



anomalum, 1442. 

 Stigmosphsera, 68. 



actinocentra, 68. 

 Stomatodiscus, 502. 



amphistomus, 502. 



osculatus, 503. 

 Streblacantha, 706. 



calcarina, 706. 



hastigerina, 707. 



siderolina, 706. 

 STREBLACANTHIDA, 704. 

 Streblonia, 704. 



bulimina, 705. 



globigerina, 704. 



planorbulina, 705. 



polymorphina, 705. 



pulvinulina, 706. 



rosalina, 705. 



nderolma, 706. 



nvigerina, 704. 

 STKEBLONIDA, 702. 

 Streblopyle, 707. 



helicina, 707. 



spirulina, 707. 

 STKEBLOFYLIDA, 704. 

 Stylactis, 532. 



triangulum, 533. 



rittelii, 534. 

 Stylartus, 357. 



bipolaris, 357. 



bicuspis, 357. 



palatus, 358. 



penicillus, 358. 

 Stylatractus, 328. 



cardnus, 330. 



compactus, 329. 



disetanius, 331. 



fusiformis, 329. 



giganteus, 329. 



neptnnus, 328. 



papillosus, 331. 



sethoporus, 330. 



variabilis, 330. 

 Stylectodiscus, 413. 

 Stylentodiscus, 413. 

 Stylochlamydium, 514. 



sequale, 515. 



asteriscus, 514. 



Kmbatum, 514. 



perispirale, 515. 



spongiosum, 516. 



venustum, 515. 

 Stylocoronis, 982. 

 Stylocromyum, 147. 



amphiconus, 147. 



amphipyramia, 147. 



tetraphractum, 335. 

 Stylocyclia, 462. 



amphacantha, 463. 



Stylocyclia 



arachnia, 510. 



dimidiata, 462. 



excavate, 463. 



prionacantha, 462. 

 STYLOCYCLIDA, 461. 

 Stylodictya, 509. 



arachnia, 510. 



bispiralis, 497. 



centrospira, 512. 



clavata, 513. 



dujardinii, 513. 



cchinastruni, 513. 



forbesii, 510. 



gracilis, 509. 



haeckelii, 510. 



hastata, 510. 



heliospira, 512. 



hertwigii, 513. 



multispina, 510. 



occllata, 508. 



octogonia, 511. 



perispira, 511. 



guadrispina, 507. 



setigera, 512. 



solmaris, 511. 



splendens, 508. 



stellata, 510. 

 STYLODICTYIDA, 50!>. 

 Stylodiscus, 413. 



amphistylus, 413. 



endostylus, 413. 

 Stylosphsera, 133. 



calliope, 134. 



carduus, 330. 



clio, 134. 



eoronata, 326. 



dixyphos, 135. 



erato, 137. 



euterpe, 135. 



flexuosa, 138. 



hippocampus, 324. 



hispida, 136. 



holosp/uera, 150. 



jugata, 137. 



Icevis, 327. 



liostylus, 136. 



megadictya, 301. 



melpomene, 135. 



musa, 133. 



nana, 136. 



aphid turn, 140. 



polyhymnia, 134. 



radiosa, 334. 



setosa, 135. 



spinulosa, 332. 



sulcata, 333. 



terpsichore, 137. 



testudo, 325. 



thalia, 137. 



Stylosphsera 



urania, 134. 

 STYLOSPH.SRIDA, 121. 

 Stylospira, 512. 



arachnia, 513. 



dujardinii, 513. 



heliospira, 512. 

 Stylospongia, 584. 



huxleyi, 585. 

 Stylospongidium, 586. 



geddesii, 585. 

 Stylostaurus, 157. 



caudatus, 157. 



gladiatus, 158. 

 Stylotrochiscus, 583. 

 Stylotrochus, 583. 



arachiiius, 583. 



cratieulatus, 583. 



geddesii, 585. 



helianthus, 584. 



heteraeanthus, 584. 



hnxleyi, 585. 



rhabdostylus, 584. 

 Stypolarcns, 614. 



spongiosus, 614. 

 Styposphsera, 86. 



spongiacea, 87. 



spumacea, 87. 



stupacea, 87. 



Taurospyris, 1058. 



bovina, 1058. 



cervina, 1058. 

 Tessarasparium, 835. 

 TESSARASPIDA, 830. 

 Tessaraspidium, 838. 



quadratum, 838. 

 Tessaraspis, 835. 



arachnoides, 836. 



circularis, 837. 



concreta, 838. 



diodon, 837. 



elegans, 844. 



icosastaura, 846. 



hexagonalis, 836. 



irregularis, 838. 



micropora, 827. 



pentagonalis, 836. 



quadrata, 838. 



quadriforis, 837. 



rotunda, 838. 



tetragonalis, 836. 



trigonalis, 836. 

 Tessarastrum, 547. 



brunonis, 548. 



democriti, 548. 



spinozse, 546. 



sti-aussii, 547. 

 Tessarospyris, 1045. 



clathrobursa, 1045. 



