INDEX OF SPECIE3. 



H 



Hemicardium 



biangulatum, 23,38,75,97, 106, 

 liS, 201. 



graiiiferam, 23. 



lueiliuin, 3S, 201. 



ol)ovalt', 155, 

 Hemifusos 



Hflclieri, 60. 

 Heterodonaz 



bimaculatus 

 112, 126, 151. 



vars. 23, 



'2, 27, 38, 105, 



Pacificus, 78. 

 Hiatella 



oldiinga, 221. 

 Hiatula 



coiupacta, 151. 



Nuttallii, 74. 

 Hima 



•lecassata, P 497. 

 Hinnites 



Californiensis, 13. 



cra^sus, 81. 



giganteus, 8, 13, 14, 20, 22, 25, 

 26, 81, 131, 151, 169, O 164, ; Homalopoma 



Hipponyx 



(irayanus, 24, 27, 37, 108, 194, 

 O 184, 193, O 200, 230, 

 O 255, O 275, O 282, O 353, 

 O 360, O 361, O 366, P 299, 



mitral is, P 297. 



mitrula, O 226, O 314, O 363, 



V 297, R 3. 

 Pauauieasis, 255, O 275, 



324, O 363, P 297, R 3. 

 planatus, 140, O 255, O 2S4, 



324, P 298. 

 radiatus, 194, O 184, O 200, 



O 230, 0255,0275, P 299, R 4. 

 serratus, 27, 98, 140, 195, 256, 



226, O 236, O 230, O 255, 



324, 364, P 296, P 297, 



P 300, P 549, R 3, R 5. 

 subrufiis, 37, 194, 2S2, 230, 



O 275, 363, R 4. 

 tess«^llatU3, P 90, P 549. 

 tul)erculatus, R 4. 

 tuiueus, 2^. 27. 140, 2S2. 



'/, 



O 193, O 233, 290, O 312, 



o 350, 351. 

 Nicklinianus, 13. 

 Nuttalli, 193. 

 Poulsoiii, 8, 13, 131, 193, 



O 233, 290. 

 Hipponyz 



autiquatus, 27, 108, 140, 194, 



O 255, O 324, O 363, O 365, 



P 296, P 297, P 298, R 3. 

 australis, 236, O 255, P 299, 



P 538, R 3. 

 barbatus, 24, 37, 108, 140, 194, 



195, O 255, O 275, O 324, 



O 366, P 299, R 3, R 4. 

 barbatus, var. costellatus, R 4. 

 cranloides, 114, 239. 

 crispas, P 299, R 4. 

 efifodiens, R 5, 

 foliaceus, 239, 255, P 296, 



P 546, R 3- 



.sau-uiiieuiii, 23, 74, 113. 

 Hyala 



rotundata, 104, 217. 

 Hyalaea 



triilentata, 132. 

 Hydrobia 



compacta, 104, 217. 



stagnalis, P 361. 



ulvae, 20, 142, 257, 327, 

 O 366, P 361. 



lanacus 



Lessonii, 2, P 280. 

 squama, O 2, P 2S0. 

 ungu''culus, P 281. 

 uiiguiformis, P 284. 

 lanthina 



b ids, P 185, 



communis, 74, 366, P 186. 

 decoUata, 52, 107, 251, 316, 

 364, P 1S7. 



