254 



ALLAN HANCOCK PACIFIC EXPEDITIONS 



VOL. 20 



citrinus, Mytilus, 43 

 coalingensis, Crenomytilus, 23 

 coarctata, Crenella, 10, 77 



Gregariella, 10, 11, 73, 77, 126, 173 

 Columbiana, Crenella, 10, SI, S2 

 columbianum, Solamen, 10, 12, 13, 82, 



85,133, 171 

 concinna, Anadara (Scapharca), 194, 



201 



Area, 200 



Cucullaea, 200 

 coralllophagus, Mytilus, 11, 77, 78 

 corrugatus, Musculus, 11 



Mytilus, 11 

 costata, Lunarca, 208 

 costulata, Modiola, 77 

 crassa, Tichogonia, 11 

 crassitesta, M3'tilus, 19 

 crassus, Septifer, 41 

 crenatus, Aulacomva, 32 



Mytilus, 11, 32, 33 

 Crenella, 1,4, 17,79,82 



coarctata, 10, 77 



Columbiana, 10, 81, 82 



decussata, 11, 79, 80, 81, 85, 131, 171 



divaricata, 11, 12, 80, 128, 171 



ecuadoriana, 11, 80 



grisea, 12 



inflata, 12, 80 



leana, 12 



megas, 12, 81, 82, 83 



rotundata, 13, 81, 82 

 Crenomytilus, 16, 23 



coalingensis, 23 



grayanus, 23, 24, 159 



kewi, 23 



mathewsoni, 23 



trampasensis, 23 

 Cucullaea concinna, 200 

 (Cucullaearca), Barbatia, 182, 184, 187 



Candida, Barbatia, 185 



nivea, Barbatia, 185 



reeveana, Barbatia, 182, 183, 185, 

 186, 187,216,239 

 lasperlensis, Barbatia, 185 

 velataformis, Barbatia, 185 

 cumingi, Septifer, 11,42 

 cumingiana, Anadara (Scapharca), 



178, 194, 196,200,228 



Area, 200 



Lithophaga, 99 

 (Labis), 99 

 cumingianus, Musculus, 73 



Mytilus, 11,42 

 cumingii, Septifer, 42 

 (Cunelirca), Anadara, 193, 199, 205 



aequatorialis, Anadara, 194, 205, 

 206, 207, 230, 247 



brasiliana, Anadara, 194 



chemnitzi, Anadara, 194, 206 



incongrua, Anadara, 194 



nux, Anadara, 194, 205, 207, 

 229, 249 



perlabiata, Anadara, 194, 206 

 cuneiformis, Mytilus, 11, 25 

 Dacrvdium, 4, 17, 86, 87 



fabale, 86, 87 



paeificum, 13, 86 



pelseneeri, 87 



(Quendreda), 86 



elegantulum, 87, 134, 171 

 fabale, 87 

 dactyliformis, Mytilus, 11, 25 

 Dactylus, 91 



carpenteri, 10, 98 

 decussata, Crenella, 11, 79, 80, 81, 85, 



131,171 

 decussatus, Mytilus, 11, 33, 79, 81 

 delgada. Area, 212 



Sheldonella, 178, 212, 212, 231 

 demissa, Arcuatula, 11, 13, 36, 54, 56, 



119,173 



Modiola, 55 

 demissus, Mytilus, 11, 56, 58 

 dendriticum, Amygdalum, 68, 69 

 denticulata, Botulina, 11, 78 



Gregariella, 11,77,79 



Modiolaria, 11, 77,79 

 desolationis, Mytilus, 20, 22 

 (Diberus), Lithophaga, 92, 94 



canalifera, Lithophaga, 10, 85, 95, 

 137 



plumula, Lithophaga, 10, 11, 13, 14, 

 93,95,96,97, 137, 175 

 graeilior, Lithophaga, 96 

 tumidior, Lithophaga, 96 



subula, Lithophaga, 12, 14, 95, 97, 

 138,175 

 diegensis, Adula, 11, 85, 88, 89, 91, 136, 



173 



Modiolus, 11,91 



Mvtilus, 11,20,22,23 

 edulis, 20, 21,27, 157 

 discors, Musculus, 11, 73 



Mytilus, 11,72,74 

 divariealx, Lithophaga, 94 

 divaricata, Area, 188 



Crenella, 11, 12, 80, 128, 171 



Modiola, 77 



Nuculoeardia, 11, 80 

 Doliolabis, 99 

 domingensis, Acar, 190 

 dunkeri, Mytilus, 11, 20, 22, 23 

 ecuadoriana, Crenella, 11, 80 

 edulis, Mvtilus, 10, 11, 12, 13, 14, 18, 19, 



21,22,27, 33, 105,157 



chilensis, Mvtilus, 10, 11, 12, 13, 14, 

 20,22, 31 



diegensis, Mytilus, 20, 21, 27, 157 



latissimus, Mytilus, 12, 19 



patagonicus, M^'tilus, 20 



planulatus, Mytilus, 20, 22 



