Leptothyra cingulata, 343. 
filosa, 343. 
glabrata, 343. 
induta, 344. 
panamensis, 342, 
peloritana, 343, 344, 
tricingulata, 343. 
Leucophysema, 244. 
Leucosyrinx, 256, 269, 270, 271, 272. 
clionella, 270. 
erosina, 269. 
pacifica, 270. 
persimilis, 271, 272. 
Lima, 406, 407, 408, 409, 410. 
agassizii, 407. 
angulata, 407. 
dehiscens, 407. 
diomedae, 407, 
excavata, 407, 408, 
falklandica, 409. 
fragilis, 407. 
goliath, 407, 
hians, 406. 
hodgsoni, 409. 
martiali, 409. 
patagonica, 407. 
pygmaea, 408, 409. 
similaris, 408. 
sutert, 410. 
Limacina, 232, 235. 
inflata, 235. 
Limaea, 409. 
Limatula, 408, 409, 410. 
falklandica, 409. 
subauriculata, 408. 
Limax gagates, 485. 
Limopsis, 392, 393, 394, 395, 396, 397. 
aurita, 393. 
bassi, 394, 
compressus, 394. 
diazi, 397. 
diegensis, 395. 
hirtella, 395. 
Juarezi, 396, 397. 
jousseaumei, 394, 395, 396. 
mabilliana, 395, 396. 
panamensis, 396, 
retifera, 392. 
stimpsoni, 396. 
vaginatus, 393. 
zonalis, 393. 
Liomesus, 304. 
Liothyrina, 443, 444. 
clarkeana, 443, 
moseleyi, 443. 
uva, 443. 
wyvillei, 444. 
482 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
Liotia, 344, 345. 
californica, 344, 
pacis, 345. 
Lunatia, 333. 
Luzonia, 433. 
Lyonsia, 427, 430, 
bulla, 430. 
panamensis, 427. 
Lyonsiella, 428, 
pacifica, 428, 
papyracea, 428. 
MACANDREVIA, 444, 445. 
americana, 444, 
craniella, 445. 
diamantina, 445, 
Macoma, 421, 422, 
aurora, 422, 
hesperus, 421, 
hupeana, 421. 
inornata, 421. 
inquinata, 421. 
Macrodon, 398. 
Maera, 420. 
Magellania, 223, 444. 
venosa, 223. 
wyvillei, 444. 
Malletia, 378, 383, 384, 385, 386, 389. 
arciformis, 885. 
benthima, 386. 
chilensis, 383. 
excisa, 378. 
goniura, 386, 
hyadesi, 383. 
inequalis, 383. 
magellanica, 383. 
peruviana, 384, 
truncata, 384. 
Malluvium, 330. 
Mangilia, 257, 259, 285, 286, 287. 
cetolaca, 286. 
costulata, 259, 
encella, 287. 
enora, 286. 
genilda, 286. 
movilla, 285, 
oldroydi, 286, 
sedillina, 287. 
striolata, 259. 
Mantellum, 406. 
Margarita imperialis, 348. 
Marseniidae, 244. 
Mazatlania, 245, 246, 247, 250. 
Merica, 294, 295, 296. 
Mesostoma pulchra, 324. 
Microglyphis, 236, 237, 238, 
Minormalletia, 385, 886. 
