270 BULLETIN NO. 30, UNITED STATES NATIONAL MUSEUM. 



i>pto«oi<fn, Conrad, pL XXV, flgs. 1-2 183-184 



Leguwen, Conrad, 1858 184 



L. ptonutaium, Conrad, XXV, flgs. »-4 184-185 



L. apprensum, Conrad, pi. xxv, flgs. 6-8 185-186 



SUujua. Mnhlfeld 186 



8. eretaeea, Gabb, pi. xxv, flgs. 9, 10 186-187 



Pholadidce. 



PAota», Linn 187 



P. ci(Aora, Morton, pi. xxv, 14-16 187-188 



P.I lata, n. s., Whitfield, 1885, pL xxv, fig. 17 189-190 



Martetia, Leach ?. . 190 



M. (Pholas) eretaeea, Gabb, pL xxv, flgs. 20-23 190 



Teredi/Ue. 



Terwio, Linn 191 



T. irregularis, Gabb, pL xxv, figs. 18, 19 191-192 



OaMroehoenidcR. 



OlavageUa, Lam 192 



O. nrmata, Morton, pi. xxv, fig. 24 192-193 



Section iv. — LaraeUibranchiata from the Middle Marl Beds. 

 Ogtreidce. 



Oryphaea, Lam 194 



O. vesieularis, Lam., pi. xxvi, figs. 9, 10 194 



O. bryani, var.j9reced«n.8,n. van, Whitfield, 1885, pi. xxvi, figs. 7-8 194-195 



Gryphceostrea, Conrad 195 



0. vomer, Morton, pi. xxvi, flgs. 11-12 195-196 



MytUidce. 



Modiola, Lam 197 



M. ovata, Gabb, pi. xxvi, figs. 13-14 197 



M. {Lithodomus ?) m/nta, n. s., Whitfield, 1885, pL xxvi, flgs. 1-2 197-198 



PteriidtF, Meek. 



Pinna, Linn 198 



P. roatriformis, Morton, pi. xvi, figs. 3-4 198 



Arcidoe. 



Idonearca, (Jonrad 199 



1. medians, n. s., Whitfield, 1885, pi. xxvi, figs. 5-6 199 



I. compresHrostra, n. s., Whitfield, 1885, pi. xxvi, figs. 15-16 199-200 



Iaoeardiid(e. 



Isoeardia, Lamarck 200 



I. eonradi, Gabb, pi. xxv^^ figs. 3-4 200-201 



Teredidce. 



Teredo, LLnnseus 201 



T. ttttaii*, Morton, pi. xxvi, figs. 19-22 201-203 



Ga«froehcBnid(e. 



Qastroclwena, Spengl 203 



O. americana, Gabb, pi. xxvi, flgB.17-18 203-204 



Section V. — Lamellibranchiata from the lower layers of the Upper Maii Beds 

 of New Jersey. 



OstrcidiB. 



Ostrea, Linnseas 205 



O. glandi/ormia, n. 8., Vhitfleld, 1885, pL xxvii, flgs. 1-5 205-206 



Gryphcea, Sow 206 



O. bryani, Gabb, 1876, pi. xxvii, flgs. 6-9 206-207 



MytUidcB. 



Modiola, Lam 207 



M. johnaoni, n. s., Whitfield, 1885, pi. xxviii, flgs. 8, 9 207 



Areidce. 



Area, Linn 208 



A. quindeeem,radiata, Gabb, 1860, pL xxvii, flgs. 10-13 208 



Aetartidae. 



Oardita, Brag 209 



a. intermedia, n. s., Whitfield, 1885, pL xxviii, flg8.14,15 209 



Oratisatella, Lamarck 209 



V. eonradi, n. h., Whitfield, 1885, pL xxviii, figs. 1-5 209-210 



0. delawaretuis, Gabb, pL xxvii, fl^. 14, 15 210-211 



I 



