520 BULLETIN OF 
Helix ( see Bulimulus, Thysanophora, 
Drymseus, Cepolis, I'leurodonte, 
Vitrea, Zonitoides, Guppya, Cir- 
cinaria, Opeas). 
crocea 434. 
mespilum 430. 
subcylindrica 436. 
Here 493. 
Heterodonax bimaeulatus 475. 
Hipponyx (see Amalthea). 
Hormomya 469. 
Hyaltea ( see Cavolina). 
fiava 362. 
gegenbauri 362. 
Hyalina (see Vitrea). 
Hydatina 
physis 364. 
Hydatinids 364. 
Hydrobiin* 434. 
Iphigenia brasiliensis 476. 
Isehnochiton 452. 
floridanus 452. 
funiculatus 453. 
iimaciformis 452. 
liozonis 452. 
pap'llosus 453. 
purourascens 452. 
reticulatus 453. 
striolatus 452. 
Jagonia 491. 
costata 491. 
Jeanneretia 380. 
Ltevicardium 489. 
Lsevidentalium 456. 
Lambidium 
oniscus 419. 
Lampusia 417. 
chlorostoma 417. 
eynocephala 417. 
pilearis 417. 
Latirus 398,399. 
brevicaudatus 399. 
cinguliferus 398. 
infundibulum 399. 
ocellatus 398. 
Leda 
acuta 458. 
corpulenta 458. 
^edidfe 458. 
Leiostraca 413. 
Lepidopleuridse 451. 
Lepidopleurus 
pergranatus 451. 
Leptinaria 374. 
antillarum 374. 
opalescens 374. 
stylodon 374. 
Leptochiton 
pergranatus 451. 
Leptogyra 
inconspicua 445. 
Lima 467. 
fasciata 468. 
fragilis 468. 
inflata 468. 
hians 468. 
lima 468. 
scabra 467. 
squamosa 468. 
THE UNITED STATES FISH 
Lima — Continued, 
subauriculata 468. 
tenera 467. 
Limatula 
subauriculata 468. 
Limidre 467. 
Limnsea 
cubensis 369. 
Limnseidre 369. 
Limnophila 369. 
Liotellina 478. 
Liotia 
gemma 445. 
Liotiid® 445. 
Litliodomus (see Lithophaga). 
Litiopidae 431. 
Lithophaga 470, 471. 
antillarum 471. 
bisulcata 471. 
Litorina 429,430. 
angulifera 430. 
guttata 430. 
lineata 430. 
mespilum 430. 
scabra 430. 
tessellata 430. 
ziczac 429. 
Litorinidse 429. 
Livona pica 443. 
Loliginidae 359. 
Loligo 
gahi 359. 
Loripes (see Lueina). 
Lotorium 
femorale 417. 
Lueapina 449. 
adspersa 449. 
cancellata 449. 
Lucapinella 
limatula 449. 
Lueina 492. 
Lueina (see Thyasira, Codakia, Myr- 
t®a, Phacoides, Divaricella) . 
antillarum 492. 
chrysostoma 492. 
jamaicensis 493. 
pecten 491. 
pennsylvanica 493. 
phenax 492. 
quadrisulcata 494. 
radiata 494. 
scabra 494. 
tigerina 491. 
Lucinidse 491. 
Lucinisca 494. 
Lucinoma 494. 
Luquillia 381. 
Lyonsia 
beana 498. 
diaphana 498. 
inflata 498. 
picta 498. 
Lyonsiidte 498. 
Macoma 481. 
brevifrons 481,482. 
calcarea 481. 
constricta 481. 
pseudomera 481. 
souleyetiana 481. 
COMMISSION. 
Macoma — Con tin ued. 
tageliformis 481,482. 
tenera 481. 
tenta 481. 
Macroceramus 
johannis 377. 
microdon 377. 
shuttleworthi 377. 
Mactra 474. 
alata 474, 
fragilis 474. 
Mactracea 474. 
Madrid® 474. 
Mamilla 439. 
Mangilia 388,390. 
aguadillana 389. 
asarca 388. 
balteata 388. 
biconica 389. 
densiclathrata 388. 
densistriata 388. 
elata 389. 
glypta 400. 
luctuosa 390. 
melanitica 390. 
minor 389. 
morra 389. 
psila 389. 
quadrata 390. 
rubella 390. 
trilineata 390. 
Marginella 393. 
albolineata 394. 
apicina 393. 
avena 391. 
catenata 39-5. 
conoidalis 393. 
evadne 393. 
fusca 394. 
hematita 393. 
interruptelineata 395. 
lactea 394. 
ovuliformis 395. 
pallida 395. 
pulcherrima 395. 
striata 394. 
subtriplicata 395. 
torticula 394. 
Marginellidse 393. 
Megalatractus 
aruanus 397. 
Megalomastoma 
croceum 434. 
curtum 434. 
hjalmarsoni 434. 
verruculosum 434. 
Meiocardia 496. 
Melampus 
coffeus 368. 
coniformis 368. 
flavus 368- 
gundlachi 368. 
Melaraphe 429. 
Melina 462. 
alata 462. 
listeri 462. 
semiaurita 463. 
Melinid® 462. 
