vi CONTENTS. 
Holothurioidea. Sea-Cucumbers. Béche-de-Mer: Pacw | Holothurioidea. Sea Cucumbers. Béche-de-Mer— 
Beche-de-Wier mien ersaitevacrrolseraeieieretete=tey=feletere 156 Continued. PAGB 
Synaptide .... 22.00. tee ee ee cece eee ete ee es 158 Molothurtids +)... --ceiere eee eden etee esas 172 
Euapta godeffroyi .......--..-+++ ++ sere sees 158 Labidodemas semperianum ..............--+ 172 
Opheodesoma glabra .....-...++++++++++555- a Holothuria altimensis sp. nov. ........--.-.++ 172 
STISOR iene! Meee eis ein sense ese ALENICOA soe ces visions ool s eter 173 
Polyplectana kefersteinil ...........--+++--+: 159 eT ae teed iy awchale iin, a 174 
Synapta maculata............++++++es ee ees: 160 Ce ih ee eat oieP RNR Sa Oe 174 
Synaptula indivisa .........-++4++ss sesso ee 7a axioloua‘ap: 10vc6 0). eke eee 175 
ag eg ale Gee Tes Coluberiasestec citer ipiitel ctr 175 
HERA PR SOG IO0.P a0 O99 e so bHSBGo0 GriC Cumulusisp) MOVs cer ree ert 176 
Leptosynapta latipatina sp. nov......-.----- 161 mats L aa Re is hi a ae a 177 
Protankyra aay Sie PASAT ata re er ey te ee fluiscocinereni ssa cee eee 177 
WELTY fcc ccc ew em rein sees ale h ‘ ity Mates We) 5 (7/ 
(@iiridotaptatin «ok est Gisea le ot 162 SS. oT ae ee ne 
Trochodota maculata sp. NOV. .........--+++5 163 impationsy-3.0 So eet eee 178 
General remarks on the Chiridotine ..........-. 163 Ipucospilota 2s. Pee 179 
Key to the genera of Chiridotine.......... 165 BOTT da cites anuntdl beets yee 180 
Key to the species of Tzeniogyrus .......... 165 SAE) 5 Oe Ts Se 180 
Key to the species of Trochodota .......... 166 THONG GATIA te A eee 180 
Key to the species of Toxodora............ 166 pardalig; 32. (iiss Meena cca 181 
NOC OeA on ea apocacbenbad nomena sooo 166 pervicax SOR. ele ain 9 181 
eee a Shale rare fopete SPR ae Le Trott foebers ee mariollcaceni oe ene 181 
Met WEIN TD o0 TOS ORO Ie GoM SUBCSN OCOD ORNATE AL || | RGR CG sa snooocddaoNDOAoUENgIE 181 
@ucumariansemperiyaccree emer ete et ae 167 ne Lie TS DCE RS oa 181 
Thyone pues San Re SED Ee eian acon acon ioe subverta sp. NOV. .........00eee ee 182 
ISSA 08 SPD SBP Eno HAC iO ER Thelenota;Brandti-cssacoee eee eee 183 
ORANG oo telno.coocRaU doen papoae 167 ss 
= Thelenota ananas’s)-%./.1.,.-s'saren ose cee 184 
BaCeMUSccctyer<iar terrence foe ec ene = 168 
Phyllophorusyproteus eeeeee eee eer eer 168 . BUEE DIS MONS coms cael oa hg abiDS.e9 20 185 
ALTAREAY cole eco eco ecnue 168 Stichopus chloronotus ................-+000 186 
Pseudocucumis aciculus ........-...--+-0+0: 169 Horrens ... 26.66. e sees eevee eee eee 187 
SATICATIUS, 4. Wohin cca s eae a69 ; variegatus Sperehcter oheboye cfometehecetstete thereat 187 
eurystichus sp. Nov. .......--- 169 Actinopy ga echinites yf apiaiseisfemister ete helene 188 
Actinocucumis difficilis ..... Sa sratecslanntas roche Olek 170 ME CAN OLS: 3-55 pero ecsteeaevees Sess 188 
AVOKUENS OA powopoo cen maooudor 170 Tuba)’ Sy.v. terse ure ceniels Stel emeeietaveners 188 
Pentactarchallengeril cyanea teria 170 ANAUTIATIA' s arounevawueyehee ciel ers 188 
CUCUMIIS meee ne teense rere 171 Mili apagedeoopoodoan cae sicage 189 
GUDELCULOBUS! aacetacserre eee a etter 171 NODULES: --cyeshevcen yovsicivite eros certs 189 
ELIMOLPHA SPs NO Vedareneasels esata tecotcl 171 DAT VU Bs eo is:5 venss's,c1jsrecogeyeue oye sivisisieeens 190 
PARTE 
CoMPOSITION AND ORIGIN OF THE EcuHrnopERM Fauna oF THE ToRRES STRAIT REGION AND QUEENSLAND. 
PAGB PAGE 
Tabulated List of Echinoderms of Torres Strait and The Gulf of Queensland Hypothesis .............. 203 . 
Surrounding Areas. .........5+.2-22-0++0+ eee: 192 | The Pacific Influx Hypothesis ................... 203 
The Question ofa Southern en eis DRO 197 | The Use of Torres Strait as a Migration Route .... 207 
The Eastern and Western Elements .............. 198 | ‘The Triple Origin of the Coastal Fauna of Tropical 
List 1. Species of very restricted range........... 198 Antonin 208 
List 2. Species of very wide range............... 199 g SEE ee” Lt ae Pee er ae 
List 3. Species of imperfectly known range ....... 199 eee eee ee ete te ee te te eee teen ee cece sees 210 
List 4. Species of Tropical Australian range... ... 200 Conclusions Solieyeafeatot=voiiesohevey-jabalaxoravevsKole hake kelencrenetoreenets 212 
List 5. Species of the Barrier Reef Area .......... 201 Bibliography ve eet eter e cece te ee ee ae ease sneeee 213 
List 6. Species of the Thursday Island Area ...... 901 ||) Explanation\ofPlates\<\. 2% <)-\c.teereterete etoreeeetetetate 219 
