292 



THE VOYAGE OF H.M.S. CHALLENGER. 



( remmation, 55, 56, 57. 

 Genital organs, 53. 

 Glandula, Stimp., 59, 60. 

 Gymnocystis, Giard, 59, 60. 



Hairs, 28, 58, 139, 147. 

 Halocynthia, Verrill, 134, 135. 

 Hancock, 26, 150. 

 Hasselt, van, 6. 

 " Haus," 28. 

 Heller, 10, 26, 155. 

 Hertwig, 0., 9. 

 Hertwig, R, 9, 26. 

 Huxley, 7, 49, 51. 

 Hypobranchial groove, 36. 

 Hypobythinse, 185. 



Hypobyihius, Mos., 184, 185, 186, 227, 266, 282, 284. 

 calycodes, Mos., 2, 227, 228, 233, 253, 



258 (PI. xxxvii. figs. 1-5). 

 moseleyi, n. sp., 227, 230, 231, 254, 



259 (PI. xxxvii. figs. 6-9). 

 Hypophysial gland, 43. 



Julin, 10, 27. 



Kowalevsky, A., 8. 



Krohn, 8. 



Kuhl, 6. 



Kupffer, 8, 26, 150. 



Lacaze-Duthiers, H. de, 9, 26. 



Lamarck, 6. 



Langnets, 38, 39, 284. 



Larvacea, 25. 



Linnaeus, 6, 197. 



Lithonephrya, Giard, 50, 59, GO. 



Liver, 48, 49. 



Liverpool Free Public Museum, 72, 155, 159, 245. 



Macdonald, 8. 



Mantle, 30, 39. 



Mertens, 7. 



Meshes, 33. 



Microcosms, Heller, 32, 130, 135,142, 164, 265. 



helleri, Herdm., 131, 133, 134, 252, 257 



(PI. xiv. figs. 1-4). 

 polymorphus, Heller, 131, 132, 133, 136, 



138, 251, 256 (PI. xiv. figs. 7, 8). 

 propinquus, Herdm., 132, 134,251, 256 



(PI. xiv. figs. 5, 6). 

 Milne-Edwards, H, 7, 26. 

 Minute plication, 35, 200. 



Molgula, Forbes, 9, 59, 60, 61, 67, 81, 166, 167, 172, 

 173, 178, 262, 269. 

 Kupffer, 67, 81. 



Molgula ccepiformis, 53. 



crystallina, M0IL, 59. 



forbesi, Herdm., 78, 252, 257, 276 (PI. v. 



figs. 8-11). 

 gigantea, Cunningham, 41, 68, 69, 254, 258, 



276 (PL iv. figs. 1-4). 

 gregaria, Lesson, 60, 73, 254, 259 (PI. iv. 



figs. 5-8). 

 horrida, Herdm., 76, 254, 259 (PI. v. figs. 



4-7). 

 pedunculated, Herdm., 41, 74, 251, 256, 275 



(PL v. figs. 1-3). 

 pyriformis, Herdm., 44, 68, 79, 83, 254, 

 259, 269, 275, 276 (PL vi. figs. 1-3). 

 Molgulidse, 30, 33, 34, 41, 46, 48, 49, 50, 52, 57, 58, 



83, 84, 93, 123, 166, 182, 183, 199, 269. 

 Moseley, 2, 293. 

 Miiller, O. F, 6. 

 Muscular system, 30. 

 Nervous system, 41. 

 Neural gland, 43. 

 Nucleus, 48, 51. 

 Ocelli, 42. 



Octacnemus bythius, Mos., 2. 

 <_)i/,vjil< lira, 7. 

 Olfactory tubercle, 44. 

 Otocyst, 42. 



PachycMtma, Herdm., 46, 183, 184, 185, 186, 187, 

 221, 266, 270, 282, 283, 284. 

 gigantea, Herdm., 225, 250, 255 (PL 

 xxviii. figs. 6-11 ; PL xxix. fig. 10). 

 olesa, Herdm., 219, 223, 251, 256 (PL 



xxviii. figs. 1-5). 

 oblonga, Herdm., 221, 224, 251, 256 

 (PL xxix. figs. 1-9). 

 Pallas, 5. 



Pamhcia, 148, 149. 

 Papilla?, 33, 35. 

 Pelonaia, 7, 54, 148, 149, 150, 286. 



corrugata, 30, 148. 

 Pera, 59, 60. 



huxleyi, 60. 

 Peribronchial cavity, 39. 

 Pericardium, 50. 

 Pericoronal ridge, 36. 

 Peripharyngeal band, 32, 36. 

 Pcron, 6. 

 Perophora, 46, 49, 175, 238, 239, 246. 



listeri, 7. 

 Phallusia, Sav., 6, 196, 197, 233. 



