6 



464. Buccinum sericatum, Hanc. 



465. Rapana ? cinerea, Say. 



466. Fusus norvegicus, Chemn. 



467. Fusus pygmaeus, Gould. 



468. Fusus pellucidus, Hanc. 



469. Fusus propinquus, Alder. 



470. Fusus Holbollii, Moll. 



471. Fusus islandicus, Chemn. 



472. Fusus ventricosus, Gray. 



473. Fusus latericeus, Moll. 



474. Fusus Kroyeri, Moll. 



475. Fusus tornatus, Gould. 



476. Fusus fornicatus, 0. Fair. 



477. Fusus despectus, Lin. 



478. Fusus decemcostatus, Say. 



479. Trophon craticulatus, 0. Fabr. 



480. Trophon clathratus, Lin. 



481. Trophon scalariformis, Gould. 



482. Trophon Gunneri, Loven. 



483. Sycotypus papyraceus, Sa^. 



484. Busycon pyrum, Dillw. 



485. Busycon canaliculatum, Lin. 



486. Busycon carica, Lin. 



487. Busycon perversum, Zin. 



488. Trichotropis conica, Moll. 



489. Trichotropis borealis, B. fr S. 



490. Admete viridula, 0. Fabr. 



491. Cancellaria reticulata, Lin. 



492. Fasciolaria ligata, High. 



493. Fasciolaria gigantea, Kien. 



494. Ifcsciolaria tulipa, Lin. 



495. Fasciolaria distans, Zawz. 



496. Ranella caudata, Say. 



497. Murex spinicostata, Val. 



498. Strombus alatus, Gm. 



CEPHALOPODA. 



499. Spirula fragilis, Lam. 



500. Ommastrephes Bartramii, Les. 



501. Onychia caribaea, Les. 



502. Onychoteuthis Fabricii, Moll. 



503. Onychoteuthis Bartlingii, Les. 



504. Loligopsis pavo, Les. 



505. Loligopsis hyperborea, Stp. 



506. Sepiola atlantica, Z) 0r&. 



507. Rossia palpebrosa, Moll. 



508. Rossia Moelleri, Stp. 



509. Loligo punctata, DeKay. 



510. Loligo Pealei, Les. 



511. Loligo brevipinna, Zes. 



512. Cirroteuthis Muellerii, Esch. 



513. Octopus rugosus, D Orb. 



514. Octopus groenlandicus, Dew. 



DOUBTFUL, SPECIES. 



515. Ascidia amphora, Ag. 



516. Ascidia ocellata, Ag. 



517. Area improcera, Con. 



518. Nucula radiata, Defray. 



519. Nucula cascoensis, Migh. 



520. Modiola pulex, Lea. 



521. Modiola elliptica, Lea. 



522. Modiola tulipa, Lam. 



523. Modiola cicercula, Jtf& J. 



524. Mytilus faba, 0. Fabr. 



525. Lucina multistriata, Con. 



526. Astarte Warhami, Hanc. 



527. Venericardia cribraria, Say. 



528. Cytherea occulta, Say. 



529. Petricola dactylus, Sou;. 



530. Tellina tenuis, Da Costa. 



531. Tellina versicolor, Cozzens. 



532. Tellina maculosa, Lam. 



533. Tellina mera, Say. 



534. Doris pallida, Ag. 



535. Dentalium occidentale, -Sim. 



536. Crepidula intorta, Say. 



537. Crepidula acuta, Lea. 



538. Infundibulum depressum, Say 



539. Delphinula coarctata, Migh. 



540. Margarita ornata, DeKay. 



541. Margarita multilineata, A^oy 



542. Cingula laevis, DeKay. 



543. Cingula modesta, Lea. 



544. Littorina lunata, Lea. 



545. Turbo canaliculatus, /Say. 



546. Turritella areolata, Stm. 



547. Turritella aequalis, Say. 



548. Turritella alternata, Say 



549. Chemnitzia spirata, K. fr S. 



550. Chemnitzia textilis, Kurtz. 



551. Actaeon, parvus, Lea. 



552. Pasithea sordida, Z/ea. 



553. Sigaretus maculatus, Say. 



554. Cerithium cancellatum, Lea. 



555. Columbella spizantha, Rav. 



556. Columbella Gotildiana, Ag. 



557. Buccinum Wheatleyi, DeKay. 



558. Buccinum zonale, t ns. 



559. Fusus Trumbulli, Lins. 



560. Fusus muricatus, Mont. 

 (O 



