PECTINIBRANCHIATA. 576. 



ROSTRIFERA. 577. 



Naricidae. 578. 



529. Narica cryptophila, Cpr. 579. 



Calyptraeidae. 580. 



530. Crucibulum imbricatum, Sby. 581. 



531. Crucibulum Jewettii, Cpr. 582. 



532. Crucibulum radiatum, Brod. 583. 



533. Crucibulum serratum. 584. 



534. Crueibulum spinosum, Sby. 585. 



535. Crucibulum umbrella, Desk. 586. 



536. Calyptraea cepacea, Brod. 587. 



537. Calyptraea corrugata, Brod. 588. 



538. Calyptraea planulata, Brod. 589. 



539. Galerus conicus, Brod. 



540. Galerus mamillaris, Brod. 590. 



541. Galerus sordidus, Brod. 591. 



542. Galerus subreflexus, Cpr. 592. 



543. Galerus unguis, Brod. 593. 



544. Trochita spirata, Forbes. 594. 



545. Trochita ventricosa, Cpr. 



546. Crepidula aculeata, Gmel. 595. 



547. Crepidula adunca, Sby. 596. 



548. Crepidula arenata, Brod. 597. 



549. Crepidula dorsata, Brod. 598. 



550. Crepidula excavata, Brod. 599. 



551. Crepidula incurva, Brod. 600. 



552. Crepidula marginalis, Brod. 601. 



553. Crepidula nivea, C. B. Ad. 602. 



554. Crepidula onyx, Sby. 603. 



555. Crepidula unguiformis, Lam. 604. 



Capuiidac. 605. 



556. Hipponyx antiquatus, Linn. 606. 



557. Hipponyx barbatus, Sby. 607. 



558. Hipponyx Grayanus, Mke. 608. 



559. Hipponyx mitrula, Sby. 609. 



560. Hipponyx planatus, Cpr. 



561. Hipponyx serratus, Cpr. 610. 



562. Capulus 



Vermetidse. 611. 



563. Aletes centiquadrus, VaL 612. 



564. Aletes margaritarum, VaL 



565. Vermetus eburneus, Rve. 613. 



566. Vermetus Hindsii, Gray. 614. 



567. Bivonia albida, Cpr. 



568. Bivonia contorta, Cpr. 615. 



569. Petaloconchus macrophrag- 616. 



ma, Cpr. 617. 



Caecidae. 618. 



570. Caecum abnormale, Cpr. 619. 



571. Caecum clathratum, Cpr. 620. 



572. Caecum corrugulatum, Cpr. 621. 



573. Caecum dextroversum, Cpr. 622. 



574. Caecum elongatum, Cpr. 623. 



575. Caecum farcimen, Cpr. 624. 



(*&amp;gt; 



Caecum firmatum, C. B. Ad. 

 Caecum glabriforme, Cpr. 

 Caecum heptagonum, Cpr. 

 Caecum insculptum, Cpr. 

 Caecum laeve, C. B. Ad. 

 Caecum laqueatum, C. B. Ad 

 Caecum liratocinctum, Cpr 

 Caecum obtusum, Cpr. 

 Caecum quadratum, Cpr. 

 Caecum reversum, Cpr. 

 Caecum subimpressum, Cpr. 

 Caecum subspirale, Cpr. 

 Caecum teres, Cpr. 

 Caecum undatum, Cpr. 



Turritellidae. 

 Turritella fascialis, Rve. 

 Turritella goniostoma, VaL 

 Turritella nodulosa, King. 

 Turritella rubescens, Rve. 

 Turritella tigrina, Kien. 



Cerithiadae. 



Cerithium alboliratum, Cpr. 

 Cerithium famelicum, C. B. Ad. 

 Cerithium interruptum, Mke. 

 Cerithium irroratum, C. B. Ad. 

 Cerithium maculosum, Kien. 

 Cerithium musicum, VaL 

 Cerithium pacificum, Sby. 

 Cerithium stercusmuscarum, V. 

 Cerithium uncinatum, Gmel. 

 Vertagus fragraria, VaL 

 Vertagus gemmatus, Hds. 

 Cerithidea mazatlanica, Cpr. 

 Cerithidea Montagnei, D Orb. 

 Cerithidea pulchra, C. B. Ad. 

 Cerithidea varicosa, Sby. 



Trimcatellidae. 

 Truncatella Bairdiana, C.B.Ad. 



Mela iiia das 



Melania Gouldii, //. fr A. Ad. 

 Pyrgula quadricostata, Cpr. 



Ampullaridae. 

 Ampullaria Cumingii, King. 

 Ampullaria malleata. 



Lltorinidae. 

 Litorina aberrans, Phil. 

 Litorina aspera, Phil. 

 Litorina conspersa, Phil. 

 Litorina coronata, Lam. 

 Litorina fasciata, Gray. 

 Litorina Philippii, Cpr. 

 Litorina pulchra, Phil. 

 Litorina varia, Sby. 

 Modulus catenulatus, Phil.. 

 Modulus disculus, Phil. 



