6 



i26. Acanthochites arragonites, C. 



427. Plaxiphora retusa, Sb\j. 



Patellitlae. 



428. Patella discors, Phil. 



429. Patella mexicana, Brod. Sf Shy, 



430. Patella pediculus, Phil. 



431. Patella stipulata, live. 



432. Nacella 



AcinaBidac. 



433. Acmaea fasciciilaris, Mke. 



434. Acmaea livescens, Rve. 



435. Acmaea mesoleuca, Mke.. 



436. Acmaea mitella, Mke. 



437. Acmaea scabra, Nuit. 



438. Acmaea vespertina, Rve. 



439. Scutellina navicelloides, Cpr. 



Gadiniadae. 



440. Gadinia pentegoniostoma, Shy. 



Fissurellidae. 



441. Fissurella alba, Cpr. 



442. Fissurella crenifera, Shy. 



443. Fissurella macrotrema, Shy. 



444. Fissurella mexicana, Shy. 



445. Fissurella microtrema, Shy. 



446. Fissurella mus, Rve. 



447. Fissurella iiigrocincta, Cpr. 



448. Fissurella nigropunctata, Shy. 



449. Fissurella ostrina, Rve. 



450. Fissurella rugosa, Shy. 



451. Fissurella spongiosa, Cpr. 



452. Fissurella virescens, Shy. 



453. Glyphis alta, C. B. Ad. 



454. Glyphis gibberula, Lam. 



455. Glyphis inaequalis, Shy. 



456. Glyphis panamensis, Shy. 



457. Fissurellidaea aequalis, <S6j/. 



458. Rimula mazatlanica, Cpr. 



Trocliidae. 



459. Phasianella compta, Gld. 



460. Phasianella perforata, Phil. 



461. Callopoma fluctuosum, Mawe. 



462. Callopoma saxosum. Wood. 



463. Collonia phasianella, C. B. Ad. 



464. Turbo rutilus, C. B. Ad. 



465. Turbo squamigera, Rve. 



466. Uvanilla inermis, Gmel. 



467. Uvanilla olivacea, Mawe. 



468. Uvanilla unguis, Mawe. 



469. Ziziphinus Leanus, C. B. Ad. 



470. Ziziphinus lima, Phil. 



471. Ziziphinus M'Andreae, Cpr. 



472. Ziziphinus panamensis, Phil. 



473. Ziziphinus versicolor, ^[l■e. 



474. Tegula pellis-serpentis, JFooc?. 



475. 

 476. 

 477. 

 478. 

 479. 

 480. 

 481. 

 482. 

 483. 

 484. 

 485. 

 486. 

 487. 

 488. 

 489. 

 490. 

 491. 

 492. 

 493. 

 494. 

 495. 

 496. 

 497. 

 498. 

 499. 

 500. 

 501. 

 502. 

 503. 

 504. 

 505. 

 506. 

 507. 

 508. 

 509. 

 510. 

 511. 

 512. 

 513. 

 514. 

 515. 

 516. 



517. 

 518. 

 519. 

 520. 

 521. 

 522. 

 523. 

 524. 

 525. 

 526. 

 527. 

 528. 



Gibbula coronulata, C. B. Ad. 

 Omphalius globulus, Cpr. 

 Omphalius ligulatus, Mke. 

 Omphalius rugosus, A. Ad. 

 Omphalius viridulus, Gmd. 

 Polydonta dentata, ^1. Ad. 

 Vitrinella annulata, Cpr. 

 Vitrinella bifilata, Cpr. 

 Vitrinella bifrontia, Cpr. 

 Vitrinella carinulata, Cpr. 

 Vitrinella cincta, Cpr, 

 Vitrinella concinna, C. B. Ad. 

 Vitrinella coronata, Cpr. 

 Vitrinella decussata, Cpr. 

 Vitrinella exigua, C. B. Ad. 

 Vitrinella janus, C. B. Ad. 

 Vitrinella lirulata, Cpr. 

 Vitrinella modesta, C. B. Ad. 

 Vitrinella monilifera, Cpr. 

 Vitrinella monilis, Cpr, 

 Vitrinella orbis, Cpr. 

 Vitrinella panamensis, C, B. A. 

 Vitrinella parva, C. B. Ad, 

 Vitrinella perparva, C. B. Ad, 

 Vitrinella planospirata, Cpr. 

 Vitrinella regularis, C. B. Ad. 

 Vitrinella seminuda, C B. Ad. 

 Vitrinella subquadrata, Cpr. 

 Vitrinella tricarinata, C. B. Ad. 

 Ethalia amplectans, Cpr. 

 Ethalia carinata, Cpr. 

 Ethalia lirulata, Cpr. 

 Ethalia naticoides, Cpr. 

 Ethalia pallidula, Cpr, 

 Ethalia pyricallosa, Cpr 

 Ethalia valvatoides, C.B.Ad. 

 Teinostoma amplectans, Cyr. 

 Teinostoma minutum, C.B.Ad. 

 Teinostoma substriatum, Cpr, 

 Globulus sulcatus, Cpr, 

 Globulus tumens, Cpr, 

 Adeorbis scaber, Phil, 



iVeritida?. 

 Nerita Bernhardi, Reel. 

 Nerita scabricosta, Lam. 

 Neritina californica, Rve. 

 Neritina cassiculum. Shy. 

 Neritina globosa, Brod. 

 Neritina guayaquilensis, SJiy. 

 Neritina intermedia. Shy. 

 Neritina latissima, Brod. 

 Neritina Listeri, Pfr. 

 Neritina Michaudi, Reel. 

 Neritina picta. Shy. 

 Neritina pulchra. Wood. 



(P) 



