70 



edulis, L. (= borealis, Lam.). — Modiola papuana, Lam., 

 plicatula, Lam., peciinula, Gould, nexa^ Gould, discrepans, 

 Mont , discors, L., glandula, Totten. — Pecfen magellani- 

 cus, Chemn., islandicus, L., concentricus, Say (der L a m a r ck'- 

 sche Name irradians hat die Priorität). — Ostrea virgi- 

 niana, Lam., borealis, Lam. — Anoinia Ephippium, L., 

 acideafa, Gm. 



Terebralula Caput scrpentis, L. (S. unten), psittacea, Gm, 

 Chiton apicidatuSy Say, marginatus, Pennant, fulmi- 

 natus, Couth., ruber, Sow., albus, Mont. (verschieden von 

 Ch. albus, Fn. groenl.), Emersonianus, Couth. 



Patella Candida, Coulh. [cerea, Moll. *)). — Lotfia testu- 

 dinulis, Müll., alveus, Conr. — Dentalium dentalis, L. — 

 Cemoria noachina, L. — Crepidida fornicata, L., plana, 

 Say (ist ohne Frage unguiformis, Lam), convexa, Say, 

 glauca, Say. — Bulla insculpta, Tollen (= Reinkardi, Moll.), 

 hyemaUs, Couth., Gouldii, Couth., debilis, Gould (= sub- 

 angulata, Moll), triticea, Gould (= corticafa, Moll.), cana- 

 licidata, Say, obstricta, Gould (= turrita, Moll), oryza. 

 Tollen, lineolata, Coulh. — Helix albolabris, Say, thyroi- 

 dus, Say, hortensis, Müll., tridentata, Say, monodon, Rackett 

 {fraterna, Say?), hirsuta, Say, pulchella, Müll. (= minuta, 

 Say), alternata, Say, striatella, Anlh., lineata, Say, cellaria, 

 Müll. (= glaphyra, Say), indentata, Say, arborea, Say, 

 electrina, Gould, labyrinthica, Say, chersina, Say, (dass letz- 

 tere H. fulva ist, ist Gould entgangen). — Pupa contracta, 

 Say, milium, Gould, modesta, Say, curvidens, Gould, Sim- 

 plex, Gould, exigua, Say, fallax, Say. — Bulimus lubricus, 

 Müll. — Succinea ovalis, Say, campestris, Say, avara, Say. 

 — Auricula bidentata, Say (= Cornea, Desh.), denticulata, 

 Mont. (= personata, Mich). — Planorbis trivolvis, Say, ?m- 

 ifus, Say, bicarinatus, Say, campanulatus, Say, armigerus, 

 Say, kirsutus, Gould, elevatus, Ad., deflectus, Say, exacutus, 

 Say, parvus, Say, dilatatus, Gould. — Physa heterostropha, 

 Say, ancillaria, Say, elongata, Say (ist wohl identisch mit 



*) Dieses SyrtOftytn und mehrere andere verdanke ich einer schrift- 

 lichen Miltheilang des Herrn Möller. 



