DALL: MOLLUSCA AND BRACHIOPODA. 
INDEX. 
a 
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7 
References to the lists of species, p. 212-223 and p. 437-441 are not included. 
The names of the new species are in italics; the pages, on which each species, 
section, genus, etc., is diagnosed, are also in italics. 
ABRETIA, 245, 249. 
Acesta, 407. 
Acharax, 364, 365. 
Actaeon, 235, 236. 
wetherilli, 238. 
Actaeonidea, 236. 
Acteocina, 238. 
Acteon, 235, 236, 237, 238. 
breviculus, 237, 238. 
curtulus, 236, 238. 
estuarinus, 238. 
mazatlanicus, 237, 238. 
panamensis, 236. 
perconicus, 237, 238. 
punctocoelatus, 236. 
tornatilis, 236. 
Actinobolus, 412. 
Actita, 329. 
Acuminia, 246, 249. 
Acus, 245, 249. 
rushii, 248. 
Adelomelon, 297, 298. 
benthalis, 298. 
magellanica, 298. 
stearnsii, 298. 
Admete, 296, 297. 
Aesopus oldroydi, 286. 
Aforia, 257. 
hypomela, 273. 
Albula, 333. 
Alectrion, 306, 307, 308. 
ambiguus, 307. 
catallus, 307. 
exsarcus, 308 
goniopleura, 308. 
miser, 307. 
Aligena, 412, 413. 
borniana, 413. 
pisum, 413. 
striata, 412. 
Alipurpura, 313. 
Amalthea, 329. 
conica, 330. 
Amaltheus, 329. 
Amusium, 405. 
malpelonium, 405. 
Anachis, 309. 
Anadema caelata, 342. 
Ancistrosyrinx cedonulli, 273, 
elegans, 278. 
radiata, 273. 
Angulus, 421. 
Anomia, 230. 
dorsata, 444, 
tridentata, 230. 
Antiplanes, 258. 
Antistreptus, 314. 
magellanicus, 314, 315. 
Arca, 397. 
Arca adamsi, 385. 
aurita, 392. 
corpulenta, 398. 
endemica, 399. 
glycymeris, 399. 
heterodonta, 398. 
nucleator, 397. 
nucleus, 367. 
orbiculata, 398. 
pectunculoides, 397, 398. 
pompholyz, 398. 
pteroéssa, 399. 
rostrata, 372. 
Architectoma, 327. 
Architectonica, 327, 328. 
radialis, 327. 
Archivesica, 418. 
Arcopagia, 419. 
Arene, 344, 345. 
Argonanta, 224, 225, 226, 227, 228, 299, 
oma Anon, 227. 
americana, 226, 228. 
argo, 224, 225, 226, 227. 
aurita, 228. 
bibula, 226, 228. 
boettgeri, 226, 229. 
bulleri, 226, 228. 
