484 
G. Cutleria, 78, 94. 
Grateloupiez, 78, 94. 
Green glands, 246. 
Griffithsia, 15, 29, 78, 91. 
G. Bornetiana, 78, 91. 
G. corallina, 29. 
Grinnellia, 29, 77, 86. 
G. Americana, 29, 77, 86. 
Gymnogongrus, 76, 82. 
G. Norvegicus, 76, 82. 
Gymnolemata, 188, 193. 
H 
Halcyonoida, 141, 150. 
Halcyonoids, 142. 
Halichondria, 100, 107. 
H. panicea, 100, 107. 
Halidrys, 63, 73. 
H. osmunda, 63, 73. 
Halimeda, 51, 58. 
H. opuntia, 51, 59. 
H, tridens, 51, 59. 
H. tuna, 51, 58. 
Haliotide, 324, 358. 
Haliotis, 9, 312, 324, 358. 
H. cracherodii, 324, 359. 
H. rufescens, 324, 359. 
H. splendens, 324, 359. 
Haliseris, 63, 71. 
H. polypodioides, 63, 71. 
Halosaccion, 78, 95- 
H. ramentaceum, 78, 95. 
Halymenia, 78, 94. 
H. ligulata, 78, 94. 
Haminea solitaria, 324, 351. 
Harmothoé, 161, 174. 
H. imbricata, 161, 174. 
Heart, 416. 
Heart and vascular system, 341. 
Heart-urchins, 218, 226. 
Heliaster, 204, 205, 212. 
H. multiradiata, 204, 212. 
Heliasteridz, 204, 212. 
Helipora, 147. 
Helmet-shells, 380. 
Helminthocladiee, 76, 79. 
Hemigrapsus, 241, 281. 
H, nudus, 241, 281. 
H. oregonensis, 241, 281. 
Hemimyaria, 472. 
Herbarium, 17. 
Hermit-crabs, 12, 258, 259, 264, 
362, 
Heteroceela, 100. 
Heterograpsus nudus, 281. 
H. oregonensis, 281. 
Heterorrhaphide, 100. 
Hildenbrandtia, 78, 95. 
H. rosea, 40, 78, 95. 
Himanthalia, 63, 71. 
H. lorea, 63, 71. 
Hippa, 10, 240, 268. 
H, analoga, 240, 269. 
H. talpoida, 10, 11, 240, 268. 
Hippasteria, 204, 209. 
H. phrygiana, 204, 209. 
Hippide, 240, 268. 
Hippoconcha, 240, 264. 
H. arcuata, 240, 264. 
Hippospongia, 100, 108. 
INDEX 
H. canaliculata, 100, 108. 
H. canaliculata, var. fla- 
bellum, 100, 109. 
H. canaliculata, var. gos- 
sypina, 100, 108. 
H. equina, 100, 108. 
H. equina, var. agaricina, 
108. 
H. equina, var. cerebrifor- 
mis, 100, 108. 
H. equina, var. dura, 108. 
H. equina, var. elastica, 
100, 108. : 
H. equina, var, meandri- 
formis, 100, 108. 
Hircinia, 100, 109. 
H, campana, 100, 109. 
Histology, 20. 
Holdfasts, 26. 
Holocampa, 141, 145. 
H. producta, 141, 145. 
Holothuria edulis, 232. 
Holothurians, 202, 203. 
Holothuroidea, 200, 228, 229. 
Homarus, 240, 261. 
H. americanus, 240, 262. 
H. capensis, 261. 
H. vulgaris, 261. 
Homorrhaphide, 100. 
How to arrange a herbarium, 
17. 
Hyas, 241, 284, 285. 
H. araneus, 241, 285. 
H. coarctatus, 241, 285. 
H. lyratus, 241, 285. 
Hybocodon, 124. 
H. prolifer, 116, 124. 
Hydractinia, 116, 122. 
H. polyclina, 116, 122, 266, 
Hydrallmania falcata, 127. 
Hydranth, 118, 119. 
Hydrocorallina, 117, 129. 
Hydroids, 22, 114, 119. 
Hydrorhiza, 118. 
Hydrosoma, 118. 
Hydrotheca, 118. 
Hydrozoa, 112, 114, 116, 119, 
20, 
120, 
Hypnea, 77, 84. 
H. musciformis, 77, 84. 
I 
Ideal mollusk, 317. 
Idotea, 242, 293. 
I, irrorata, 293. 
I, marina, 242, 293. 
I. metallica, 242, 294. 
I. ochotensis, 242, 204. 
I. wosnesenskii, 242, 294. 
Idyia, 154, 157. 
I, cyanthina, 154, 158. 
I, roseola, 154, 157. 
Inarticulata, 188. 
Infusoria, 21, 101. 
Interambulacral areas, 
02, 218. 
Introvert, 186, 
Iridza, 76, 82. 
Isopoda, 242, 291. 
Isopods, 12. 
201, 
J 
Janthina, 325, 364. 
J. fragilis, 325, 365. 
Janthinide, 325, 364. 
Jellyfishes, 7, 44, 112, 115, 119, 
I 
34- 
Jonah crab, 277. 
K 
Kelp, 38. 
Kingdom, 19. 
Kitchen-middens, 432. 
L 
Labial palps, 416. 
Labiosa canaliculata, 447. 
Lacuna, 309, 326, 373. 
L. vincta, 12, 44, 326,.373. 
Lady-crab, 276. 
Lambrus, 241, 286. 
L. pourtalesii, 241, 286. 
Lamellibranchiata, 409. 
Lamelliform, 303. 
Laminaria, 43, 63, 70. 
L. digitata, 44, 63, 70. 
L. longicruris, 63, 70. 
L. saccharina, 63, 70. 
Laminariacee, 31, 35, 38, 63, 
64, 68. 
Laminarian zone, 30, 31. 
Larva, 201 
Larvacea, 472. 
Laurencia, 77, 89. 
L. pinnatifida, 77, 89. 
Laver, 38. 
Leathesia, 62, 68. 
L. difformis, 41, 68. 
L. tuberiformis, 68. 
Leda, 309, 405, 422. 
L. tenuisulcata, 405, 422. 
Lepas, 239, 250, 252. 
L. anatifera, 239, 253. 
L. pectinata, 239, 253. 
L. striata, 239, 253. 
irda 238. 
eptogorgia Agassizii, Plate 
syle : 
L. rigida, Plate XLVII. 
Leptoliniz, 116, 121. 
Leptomeduse, 116. 
Leptoplana, 160, 166. 
L. folium, 160, 166. 
Lessonia, 36, 63. 
Leucosolenia, 100, 106. 
L. botryoides, 100, 106. 
Liagora, 76. 
Libinia, 241, 284. 
L. dubia, 241, 284. 
L. emarginata, 241, 284. 
Ligament, 417. 
Limnoria, 242, 2092. 
L. lignorum, 13, 242, 290, 
292. 
Limpets, 9. 
Limulus, 242, 294. 
L. moluccanus, 295. 
L. polyphemus, 242, 294. 
