20 THE AMERICAN JOURNAL OF CONCHOLOGY. 



GEOLOGICAL. 

 1. Post-Tertiary. 



Illinois River: — N. spp. oi Limncea and Pyrguhi; Wolf (231). 

 Upper Amazon: — N. spp. of Mesalia, Pachydon (u. gen.), Tellina and 

 Turhonilla; Gabb (108). 



2. Tertiary. 



Owing to the great difficulty of ascertaining to which section of the 

 Tertiary the various papers relate they are grouped geographically. 



United States: — Catalogue of Oligocene and Eocene Mollusca and 

 Brachiopoda; Conrad (33): Notes on some sjiecies of Eocene fossils said 

 to have been erroneously described as Cretaceous by Gabb ; Conrad (42) : 

 reply by Gabb (100) : rejoinder by Conrad (46) : Illustrations of Miocene 

 species from various localities ; Conrad (43) : Notes on some species and 

 genera; Conrad (54): Illustrations of Miocene species with n. spp. of 

 Lunatia and Volutella (Virginia) ; Conrad (63). — Alabama : N. spp. of 

 Architectonica., Cancellaria, Cochlespira, Conus, Cydas, Egeria, Mono- 

 ptygma, Mysia, Nuculana, Strepsidura, Surc^da, and Tornatellcea; Conrad 

 (35): Illustrations of species, with n. spp. of Cirsotre7na, Murex, and 

 Tornatellcea ; Conrad (37) : Caryatis exigua, n. sp. ; Conrad (74) : 

 N. spp. of Columhella, Crassatella, Ciiadlcea, Fulgur, Fusus, Mitra, Natica, 

 Pisania, Pleurotovia, Potamides, Pyrida, Turritella, Velutina, and Vohita; 

 Whitfield (230). — Colorado : Ooniohasis carteni, n. sp. ; Conrad (66) : 

 N. spp. of Anodonta and Melania; Conrad (74). — Maryland: Lxmatia 

 marylandica, n. sp. ; Conrad (37) : N. spp. of Biisycon ; Conrad (43) : 

 N. spp. of Bursa, Corbula, and Zizyphinus; Conrad (60): N. spp. of 

 Carditamera, Caryatis, and Mercenaria; Conrad (65): N. spp. of Cwpsa, 

 Pecten, Saxicava, and Scapharca ; Conrad (68) : N. spp. of Mercenaria 

 and Saxicava; Conrad (70). — Mississippi: N. spp. of Cerithium, Mitra, 

 Monoptigma, and Pseudoliva ; Whitfield (230) : N. spp. from Clarke Co. 

 of Alveinus, Arcoperna, Axincea, Corbula, Crassatella, Cydas, Dione, 

 Doliopsis, Goiddia, Mesalia (?), Ntccula, Nucidana, Ostrea, Pecten, Proto- 

 cardia, Sphcerella, Tellina, and Turritella; Conrad (34): N. spp. of 

 Conus and Corbula; Conrad (35): N. spp. oi Ahra and Macoma; Conrad 

 (74). — New Jersey: N. spp. oi Acteonema, Avicida, Pleurotomaria, Surcula, 

 and Yoldia ; Conrad (38) : N. spp. of Carditamera, Lithophaga, Mysia, 

 Periploma, Saxicava, and Tellina; Conrad (43): N. spp. of Bucardia, 

 Caryatis, Crassatella, Crassina, Onust^ls, Pecten, Protocardia, and Tere- 

 hratula; Conrad (68). — North Carolina: Volutifusus typus, n. gen. and 

 sp. ; Conrad (43): N. spp. of Neverita and Sycotypus; Conrad (60): 

 Crepidtda recurvirostra, n. sp. ; Conrad (72) : Sycotypus elongatus, 

 n. sp. ; Gill (115). — Oregon: Catalogue of older Eocene Mollusca and 

 Brachiopoda ; Conrad (36) : N. spp. of Helix and Planorhis ; Conrad 

 (75). — South Carolina : N. spp. of Ficus and Sycotypus ; Conrad (56) : 

 Artena undulata, n. sp. ; Conrad (72). — Texas : N. spp. of Cancelluria, 

 Cochlespira, Drillia, Surcida, Tortoliva (n. gen.), and Volutilithes; Conrad 

 (35) : Illustrations of species, with n. spp. of Buccitriton, Cancellaria, and 

 Cochlespira; Conrad (37): Venericardia mooreana, n. sp. ; Conrad (57). — 

 Virginia: N. spp. of Astarte, Busy con, Cancellaria, and Spisida; Conrad 

 (43): N. spp. of Cumingia and Mercenaria; Conrad (48): N. spp. of 

 Pecten; Conrad (57): N. spp. of Cylichna, Modiolaria, Mulinia, Para- 

 nassa, and Ptychosalpinx ; Conrad (60): Callista virginiana, n. sp. ; 

 Conrad (68) : N. spp. of Crepidula ; Conrad (72) : Axiricea bella, n. sp. ; 

 Conrad (74). 



