INDEX 



(New genera, species, etc., are printed in italics. Page numbers of principal entries 



also in italics) 



abbreviata, Mya truncata, 184 

 acotylus, Culicoides, 244, 245, 261, 269, 



314, 363, 367, 368 (fig.) 

 Acteocinidae, 70, 138 

 adamsi, Thracia, 71, 168 

 Admete, 129 



couthouyi, 66, 69, 129, 130, 131 



couthouyi laevior, 129 



crispa, 129 



middendorffiana, 129, 130, 131 



regina, 69, 131 



subg., 130 

 Aeolidiacea, 144 

 Aeolis papillosa, 145 

 aethionotus, Culicoides, 363, 365 

 affinis, Calisius, 214, 216, 217 

 Agrilus anxius, 231 

 Agromyzidae, 223, 224 

 alahialinus, Culicoides, 245, 261, 265, 



398, 399 (fig.), 402, 404, 468 

 alaskana, Alvania castanea, 84 



Cingula castanea, 84 



Venericardia, 169 

 alba, Lepeta, 73, 74 

 albus, Chiton, 145 



Trachydermon, 70, 1^5 

 Alcyonidium polyoura, 87 

 Aldisa, 143 



zetlandica, 70, IJfS 

 aleutica, Diplodonta, 71, 172 

 almirantei, Culicoides, 245, 262, 271, 



454, 455 (fig.), 459 

 alta, Trichotropis bicarinata, 88 

 Alvania, 85 



castanea alaskana, 84 



jan-mayeni, 68, 85 

 amazonius, Culicoides, 469 

 Amicula vestita, 147 

 amoena, Raphitoma, 67, 69, 137 

 amoenus, Gonatus, 148 

 Amphineura, 70, 145 

 Amphisphyra exjoansa, 139 



globosa, 139 

 Amphitrite frondosa, 144 

 ampla, Panomya, 71, 189, 190 



Panope, 189 

 ampliceps, Calisiopsis, 212, 213 (fig.), 



220, 221, 222 

 Aneurinae, 209 

 Anfractogon, 1, 3, 4, 7, 8, 20, 49 



tenebrans, 2, 3, 7, 8, 48 



540229—60 2 



augulosuni, Buccinum, 66, 67, 69, 103, 



109, 110, 111, 112, 114 

 aniwana, Liocyma, 177, 178, 179 

 annulicornis, Calisius, 209, 219 

 Anomalodesmacea, 71, 162 

 aniefurcatus, Culicoides, 244, 260, 268 

 314, 315 (fig.), 317, 319, 321, 356 

 antiquum, Tritoniuni, 122, 123 

 anxius, Agrilus, 231 

 Apheloria, 4, 52 

 AquUonaria, 83 



turneri, 68, 83, 84 

 arachnoides, Cecropia, 243 

 Aradacantliia, 210, 211, 213 (figs.) 



multicalcarata, 209, 210, 212, 213 

 (fig.) 

 Aradidae, 209, 211, 220 



Notes on, in the U.S. National 

 Museum, 209 

 Aradinae, 209 

 Aradoidea, 209 

 Aradosyrtis, 211 

 arborescens, Dendronotus, 144 



Doris, 144 

 Area minuta, 150 



tenuis, 149 

 arctica, Astarte, 165 



Glycimeris, 189 



Hiatella, 71, 156, 160, 167, 190 



Leda, 151 



Nucula, 151 



Nuculana, 67, 70 



Panomya, 71, 189, 190 



Panopaea, 189 



Portlandia, 151 



Saxicava, 190 



Yoldia, 151 

 Arcytophyllum lavarum, 244 

 arenaria, Mya, 185, 186, 187, 188 

 armata, Poulsenia, 243 

 arubae, Culicoides, 245, 246, 248, 249, 



262, 265, 314, 464, 465 (fig.) 

 Aspidobranchia, 68, 73 

 Astarte, 65, 71, 164 



arctica, 165 



banksii, 167 



borealis, 71, 165, 168, 178, 191 



crassidens, 170 



fabula, 167 



globosa, 167 



montagui, 71, 167, 178 



483 



