INDEX. 



The figures in dark type indicate the page on whicli the genus or species is described. 



Abyssascidia, 1-tO, 148, 151, 153. 

 vasculosa, 151. 

 tnjvilln, 148, 152, 153. 

 Admiralty Islands, 34, 70, 75, 79, 82, 108. 

 Affinities of the Tunicata, 1, 121. 

 Africa, 33, 47, 48, 64, 66, 73, 80, 85, 112. 

 AUman, Prof., 7, 98. 

 Alternation of generations, 39. 

 Amaroucium, 133. 

 Amboina, 38, 44. 

 Amphioxus, 101, 120, 122. 

 Anatomy, 10. 

 Anchinia, 6, 7, 37, 126, 148. 



rubra, 149. 

 Antarctic Ocean, 27, 28, 29, 74, 76, 78, 104, 106. 

 Api, New Hebrides, 104, 107. 

 Aplidium, 133. 



Appendieularia, 6, 7, 98, 99, 101, 103, 104, 112, 

 123. 



fliigellum, 97, 98. 

 furcata, 98. 



mossi, 124, 125, 127, 149. 

 sp., 106, 107, 109, 114, 115, 117, 

 118. 

 Appendiculariidae, 2, 6, 10, 97, 99, 102, 117, 118, 



124, 148. 

 Appendix, 151. 

 Ascension Island, 111, 112. 

 Amdia, 20, 89, 124, 130, 140. 

 nspersa, 138. 

 canalicidata, 137, 157. 

 niammillata, 139, 157. 

 marioni, 157. 

 pleheia, 152. 

 sp., 15.5. 

 tcijviUii, 153. 



Ascidite Composita3, 2, 11, 12, 25, 98, 149. 

 Salpiformes, 1, 2, 11, 12, 17, 24. 

 SimpHce-s, 1, 2, 11, 12, 141. 



Ascidiacea, 2, 7, 11. 



Ascidiella, 140. 



Ascidiozooids, 7, 14, 18, 19, 20, 22, 23, 24, 25, 26, 33. 



Ascopm-a, 145. 



Asexual generation, 50. 



" Astrolabe " Expedition, 6, 38, 39, 44, 98. 



Atlantic Ocean, 14, 29, 30, 31, 33, 35, 43, 45, 46, 47, 

 48, 50, 64, 65, 66, 67, 71, 72, 73, 75, 76, 78, 79, 

 80, 81, 85, 104, 105, 111, 112, 113, 114, 116, 117. 



AfcqwijuKter, 133. 



Australia, 46, 60, 61, 79, 81, 104, 106, 107. 



Bahia, 105. 



Balfour, 97, 122. 



Banda Sea, 38. 



Banks, 5. 



Barrois, 7, 8, 100. 



Bass Strait, 50, 79, 107. 



Bathymetrical distribution, 119. 



Bathijoncus, 20, 133, 143, 145, 146. 



Bay of Islands, 45. 



Beneden, E. van, 8, 9, 101, 122. 



Bennet, F. D., 18, 28. 



Bering Strait, 6, 97. 



Bermuda, 105, 141. 



Bero'e, 14. 



Bibliography, Supplementary, 8. 



BlainviUe, 86, 87. 



Blastozooids, 38, 40, 42, 44, 50. 



Doltenia, 146, 148. 



pachydermatina, 157. 



Botryllidffi, 136, 141, 142, 145, 148. 



Botrylloides, 142. 



Botryllus, 16, 20, 130, 142. 



