Index 



(Names of new genera and species in italics; page numbers of principal accounts 



in italics) 



aooroids, Enhalus, 2, 3, 68, 69 

 aequali-siphonis, Amaroucium, 5G, 58 



Sigillinaria, 56 

 aequalisiphonis, Ritterclla, 9, 14, 17, 56, 



57 (fig.) 

 agassizi, Pyrosoma, 9, 17, 230, 231 (fig.) 

 albatrossae, Eudistoma, 10, 15, 17, 134, 



125 (fig.) 

 albopunctatum, Didemnum, 89, 92 

 alcyouarian, 6, 74 

 Amaroucium, 58 



aequali-siphonis, 56, 58 



californicum, 35, 40 



coei, 58 



const ellatum, 8, 14, 17, 30 



constrictum, 4, 14, 19, 32, 43, 44 



(fig.), 45 

 crateriferum, 4, 5, 14, 19, 40, 41 



(fig.), 42 (fig.) 

 distomoides, 28 

 dubium, 56 

 fragile, 29, 30, 58 

 glabrum, 9, 10, 11, 14, 17, 30, 31 



(fig.), 43, 44 (fig.), 45 

 monotonicum, 33, 35 

 sp. aff. monotonicum, 5, 14, 19, S3, 



34 (fig.) 

 multiplicatum, 5, 8, 14, 19, 20, 35, 

 36, 37 (fig.), 38 (fig.), 39, 40, 43 

 sp. aff. multiplicatum, 35, 39 

 pliciferum, 10, 14, 20, 32, 33 (fig.) 

 sagamiense, 36, 40, 43 

 solidum, 56 

 spitzbergense, 26 

 variable (sic), 45, 47 

 Amouroucium constellatum, 30 



glabrum, 30 

 amoyense, Aplidiopsis, 8, 14, 18, 4-^t 46 



(fig.) 

 amplum, Eudistoma, 4, 15, 19, 118 



(fig.). i3l 

 amplus, Eudistoma, 121 

 Polycitor, 112, 121 

 angolanum, Eudistoma, 7, 8, 15, 19, 20, 

 80, 112, 113 (fig.), 117 

 Eudistoma sp. aff., 3, 5, 15, 19, 115, 

 116 (fig.) 



angolanus, Polycitor paesslerioides var., 



112 

 annulatus, Culeolus, 221 

 antillensis, Dromidia, 108 

 apersum, Didemnum (Didemnum), 70, 



73, 74 

 aperta, Ascidia, 13, 15, 20, 143, 144 



(fig.) 

 Aphanibranchion japonicum, 133 

 Aplidiopsis amoyense, 8, 14, 18, 45, 46 



(fig.) 

 tokaraensis, 47 

 Aplidium depressum, 24, 26 



sp. aff. depressum, 6, 14, 18, 24, 25 



(fig.) 

 lobatum, 3, 5, 6, 7, 14, 18, 19, 20, 



22, 23 (fig.), 24 

 sp. aff. lobatum, 14, 18, 23 (fig.), 24 

 multiplicatum, 35 

 spitzbergense, 9, 14, 17, 26, 27 (fig.) 

 tremulum, 22, 24 

 yezoense, 8, 14, 17, 28, 29 (fig.) 

 Aplousobranchia, 14 (list), 22 

 Append icularia, 16 (list), 228 

 nrafurensis, Clavelina (Synclavella), 4, 



5, 15, 19, 106, 107 (fig.) 

 areolata, Cnemidocarpa, 5, 16, 19, 181 

 182 (fig.) 

 Styela, 181 

 areolatum, Didemnum, 80 

 asamusi, Corella japonica var., 8, 15, 17, 



149 (fig.) 

 Ascidia, 139 



aperta, 13, 15, 20, 143, 144 (fig.) 



aurantium, 219 



aurata, 169 



depressiuscula, 140 



gemmata, 5, 13, 15, 19, 20, I40, 



141 (fig.) 

 longistriata, 146, 147 

 minuta, 3, 15, 19, I42 (fig.) 

 papulosa, 9, 15, 17, 145, 146 (fig.) 

 plicata, 190 

 samea, 138 



sydneiensis samea, 11, 15, 18, 138, 

 139 (fig.) 

 Ascidiacea, 14 (list), 22 



239 



