MUSEUM OF COMPARATIVE ZOOLOGY. 239 
HETEROPODA, tCylichna vortex Dall. 
tAtlanta Peronii Les. t.Diaphana Lotte Bush. 
'TECTIBRANCHIATA. 
tScaphander nobilis V. 
tScaphander puncto-striatus (Migh.) Ad. 
SCAPHOPODA. 
tDentalium solidum V. tDentalium occidentale Stimp. 
tDentalium striolatum Stimp. {Siphodentalium vitreum M, Sars.? 
PTEROPODA. 
tCavolina tridentata (Forskäl). tCavolina gibbosa (Rang). 
tCavolina uncinata (Rang). 1Diacria trispinosa (Les.). 
1Cavolina longirostris Les. 1Clio pyramidata Linné. 
LAMELLIBRANCHIATA. 
tCuspidaria glacialis (Sars) Dall. Yoldia sapotilla (Gld.) Stimp. 
sCardiomya sp. *Yoldia lucida Loven. 
sMyonera paucistriata Dall. s Yoldia callista Bush. 
* Periploma abyssorum V. () sLeda quadrangularis Dall. 
t Periploma fragilis Totten. {Leda acuta Conrad, 
s Abra æqualis Say. *Leda pernula (Müll.). 
tMacoma sabulosa (Speng.) Mörch. {Malletia obtusa (M. Sars) Mörch. 
*Cyprina Islandica (Linne) Lam. sMacrodon asperula, Dall. 
*Astarte undata Gld. tArca pectunculoides Sc. 
T Astarte crenata Gray. tLimopsis minuta (Phil.). 
*Venericardia granulata Say. *Pecten Clintonius Say. 
tLoripes lens V. & 8. *Pecten vitreus (Gmel.) Wood. 
s Lucina, Blakeana Bush. sAmusium (Propeamusium) Pourtalesia- 
sCryptodon sp. ` num, var. striatulum Dall. 
tDiplodonta turgida V. & S. tLimæa subovata (Jeff.) Mont. 
*Yoldia thraciformis (Storer) Stimp. *Anomia aculeata Müll. 
MOLLUSCOIDEA. 
BRACHIOPODA. 
Terebratulina septentrionalis (Couth.). tAtretia gnomon Jeff. 
