162 



THE VOYAGE OF H.M.S. CHALLENGER. 



N"ova Scotia, 105. 



North Sea, 98. 



Octacnemidae, 2, 51, 87, 117, lllS, 11 'J. 



Odacnenius, 2, 88, 93, 95, 96, 119, 147. 



lijtMus, 51, 87, 88, 89, 92, 94, 108, 

 110, 115, 116, 117, 118, 127, 147. 

 Oikopleura, 6, 98, 99, 100, 103, 104. 



chamissnnis, 98. 

 OHhocoela, 87. 

 Otto, 38, 81. 

 Oxycorynia, 134. 

 Pachychlxna, 140. 



Pacific Ocean, 34, 35, 39, 44, 45, 46, 47, 48, 49, 50, 60, 

 66, 67, 69, 70, 72, 7.3, 74, 75, 76, 77, 78, 79, 80, 82, 

 84, 87, 88, 94, 98, 108, 109, 110, 113, 11.5, IIG, 117. 

 Pallas, 5. 

 Panceri, 22. 

 Papua, 87, 109. 

 Parascidia, 133, 147. 

 Pegea, 53. 

 Pelonaia, 143. 

 Perennichoi'Jata, 97. 

 Perophom, 129, 130, 147. 

 P^ron, 5, 13, 14, 1.5, 17, 25, 33. 

 Pharyngodktyon, 20, 131, 133, 146. 

 Philippine Islands, 29, 34, 75, 79, 84, 108. 

 Phorozooid, 40. 

 PhosjJiorescence, 22. 

 Phronima sedentariu, 38. 

 Phylogenetic table, 120, 150. 

 Phylogeny, 1, 120, 150. 



and Relations, 121. 

 Placenta, 57, 68. 

 Polycarpa, 143, 144. 



sulcafa, 157. 

 Polyclinidee, 131, 133, 134, 138. 

 Polydhium, 133. 

 PoJycydus, 142, 143. 

 Polymorphism, 40. 

 Poly sty ela, 144. 

 Polystyelida?, 145, 148. 

 " Porcuijine " Expedition, 2, 80. 

 Port Jackson, 46, 79, 107. 

 Prince Edward Island, 73, 74, 106. 

 Proles gri'ijuta, 59. 

 soKtaria, 59. 

 Protoascidiacea, 128, 130, 147. 

 Protochordata, 122, 123. 

 Protogyny, 57. 

 Protothaliacea, 125, 147. 



Prototnnicata, 122, 147. 

 PsammapUdium, 133, 134. 



Pyroso7na, 5, 6, 7, 12, 13, 16, 18, 19, 20, 24, 25, 30 

 54, 117, 131, 13.5, 137, 138, 149. 



atlmfirnm, 14, 15, 16, 17, 19, 25, 26, 33, 



105, 114, 117, 118. 

 elegans, 14, 15, 17, 19, 34, 35, 108, 115, 



117, 118. 

 giganteum, 15, 16, 17, 19, 25, 26, 31, 34, 



35, 10.5, 106, 108, 114, 115, 117, 118. 

 sp., 106, 107, 108, 112, 114, 115, 118, 131 



137, 138. 

 »2«»o>^?«», 17, 19,29,105,106,114,117,118. 

 Undetermined specimens, 31. 

 Pyrosomata paniculata, 15. 

 verticillata. 15. 

 Pyro.'iomatida;, 2, 10, 12, 117, 118. 

 Pyrosomopsit, 86. 



Quoy, 6, 37, 38, 39, 43, 44, 45, 53, 98. 

 " Eattlesnake " Expedition, 6, 16, 39, 44, 54. 

 Relations and Phylogeny, 121. 

 Rhodosoma, 140. 

 Risso, 15. 

 Rossy Island, 89. 

 Roule, 8, 9, 157. 



Royal Sound, Kerguelen Island, 144. 

 Sahatier, A., 8. 



St. Vincent, Cape Verde Islands, 104, 112. 

 Salensky, 7, 55. 



Salpa, 2, 5, 6, 7, 15, 24, 38, 52, 55, 56, 57, 61, 96, 

 126, 127, 148, 149. 

 africana, 53. 



africana-maxiina, 69, 83, 106, 114, 117, 118. 

 hicaudata, 54. 

 higibhosa, 53. 

 hirostrata, 54. 

 cmifmderata, 53. 

 cordiformis, 54. 

 coi-difonnis-znnaria, 6, 54, 70, 107, 108, 109, 



110, 111, 113, 114, 115, 116, 117, 118. 

 cosfafa, 53, 60. 

 costata-tilcsii, 53, 54, 60, 61, 62, 63, 107, 108, 



109, 11.5, 116, 117, 118. 

 cristata, 53. 

 cyUndrica, 42, 53, 68, 72, 106, 107, 108, 110, 



112, 11.3, 114, 11,5, 116, 117, 118. 

 democratica, 53. 



democrat ira-mucronata, 6, 54, 79, 82, 83, 106, 

 107, 108, 110, 111, 112, 113, 114, 11.5, 116, 

 117, 118. 



