alentin's Chemistry, noticed, 2f 

 Vauadium, researches on, 374. 

 transit of, Ifall, 307. 



irrUl, A. E., Ascidians of N. England, 

 54, 93, 211, 288, 443. 

 Vision, binocular, LeOonte, 32. 



]\^eatky, C M., cave in PennsylvanL 



235, 384. 

 White, a A., geol. survey of Iowa, n 



Woodward, J. J., Amphipleura pellucid 



Surirella gemma, 347. 

 Wright, A. W., forms of electrical di 



Wnght, K, tables of rate of mortalit; 



Steele's Geology, noticed, "i 

 Stewart, Balfour, 151. 



Lessons in Physics, no 



Storer's Cyclopaedia of Q 



s of, Lochyer, 224; Young, 



corona. Norton, 5 ; Toung, 311. 



i\ oi, Norton, 395. 



; Besphighi, 283. 



Tetramethylformine, 131. 



Thomson, J., lecture experiments, 296. 



thermo-chemical investigations. 59, 

 Thorpfs Chemical Problems, noticed, 30 



Trilobite, supposed legs of, Dana, 320, 38 

 Twining, A. C, earthquake of Oct. 1869, 4 



Batrachia, Cope, 198. 

 Brachiopods, Morse, 136. 

 Bryozoa, Gluparide, 387. 

 Crustacea from Gulf Stream, ^ ■ 

 Foraminifera of St. ^^awrenee,^^], ,3. 

 Gasteropoda, mu-scular nbe'' . ^ 

 Infusoria flagellata, JaTnes-tiarh, 

 Insects inhabiting salt water. 100 . 

 Saurocephalus of Harlan Co?«, 3|b. 

 Spongia^ CiliafcB, J<^rms-^'t:%. 



