272 



Sand of Zahara, examination of, 126, 

 164, 170. 



Savage, T. S. On Troglodytes goril- 

 la, 245. 



Scalaria gracilenta, 252. 



modesta, 7. 



texturata, 252. 



Shovel-fish. 134. 



Sigaretus filicatus, 22. 



Singing mouse, 261. 



Siphonaria cornuta, 153. 



inculta, 153. 



lateralis, 153. 



lepida, 154. 



normalis, 154. 



Solarium cyclostomum, 22. 



• implexum, 22. 



Sterna acuflavida, 257. 



canliaca, 257. 



Slomatella concinna, 26. 



Storer, D. H. Synopsis of Ohio 

 fishes, 103. 



Strophomena, 184. 



Succinea caduca, 21. 



canella, 184. 



cepulla, 182. 



coutorta, 12. 



crocata 183. 



humerosa, 183. 



infundihuliformis, 186. 



lumbalis, 183. 



Magellanica, 185. 



Manuana, 185. 



modesta, 186. 



patula, 21 . 



procera, 187. 



pudorina, 186. 



putamen, 182. 



rotundata, 182. 



rusticana, 187. . 



semiserica, 100. 



venusia, 186. 



vesicalis, 183. 



Synguathus Californiensis, 73. 



Tehennophorus Caroliniensis, 59. 

 Tellina decussatula, 10. 



nitens, 10. 



rubicunda, 37. 



Temnodon saltator, 179, 248. 

 Tern, 243. 



Teschemacher, J. E. On JVIelocactus 

 viridescens, 44. — On Damourite and 

 Pyrrhite, 107.— On Fossil vegetation, 

 146, 254. 



Tetrao cupido, 120. 

 Thetis cerina, 9. 



parva, 9. 



Thysanella, 55. 

 Tornatella hullata, 251. 

 Torpedo occidentalis, 71, 170,247. 

 Triton lacunatum, 24. 

 Trochilus Yucatanensis, 74. 

 Troehus gemmatus, 27. 



verruca, 27. 



Troglodytes albinucha, 258. 



gorilla, 245. * 



Truncatella auranlia, 208. 



Cumingii, 12. 



porrecta, 208. 



rostrata, 209. 



scalariformis, 12. 



succinea, 12. 



Vitiana, 208. 



Turbo pulchellus, 7. 

 rubricinctus, 22. 



Unio generosus, 220. 



paludicolus, 53, 



papyraceus, 53. 



Vitrina caperata, 181. 



marcida, 181. 



nitida, 180. 



robusta, 181. 



Ruivensis, 180. 



tenella, 181. 



Whale, skeleton of, 53. 



Whiting, 243. 



Wild oat, seeds of, 194. 



Wood, William. Description of a 

 Shark, 174. 



WvMAN, Jeffries. On the fossil 

 skeleton of Hydrarchos Sillimani, 65. 

 — On Castoroides Ohioensis, 138. — 

 On two species of Lingualula, 59. — 

 On Troglodytes gorilla, 245. 



Yttro-cerite, 87. 

 Yucca, 254. 



Zeuglodon, 65, 79, 96. 



