544 



INDEX. 



u 



Stentor ciBruleus, some experimeuts 

 upou, 474. 



Steruotoniis, new species of, 500. 



Stokes, Dr. A. C, on new Infusoria 

 from American fresh waters, 98, 

 387, 534. 



Stomatopoda, notes on the, 166. 



Strepula, characters of the new genus, 

 403. 



Stromatoporella, new species of, 2-;i5. 



Stroniatoporoids. on new or imper- 

 fectly known, 225. 



Suberites, new species of, 116. 



Suberitida, characters of the family, 

 42. 



Svmpiodes, characters of the new 

 ^ genus, 243. 



Synnotuui, characters of the new 

 genus, 255. 



Tachycellus, new species of. 80. 



Tachys, new species of, 151. 



Tautillus, new species of, 202. 



Tanylamia, characters of the new 

 genus, 244. 



Tedauia digitata, new variety of, 53. 



Teretrurus, characters of the new 

 genus, 28. 



Terias, on the genus, with descrip- 

 tions of new species, 212, 377, 468. 



Tethya cranium, new variety of, 127. 



Tetragonica, new species of, 208. 



Tetragonoderus, new species of, 201. 



Thalysias, new species of, 50. 



Thomas, O., diagnoses of three new 

 Oriental Mammals, 84 ; on a new 

 species of Hesperomys, 250. 



Thorell, Prof. T., on Dr. Bertkau's 

 classification of the Aranese, 301. 



Thylactus, new species of, 242. 



Tillina, new species of, 101. 



Trachya, new species of, 121. 



Tunny, on a male, 326, 52."{. 



Uroleptus, new species of, 111. 



Uropeltidye, monograp^i of the, 3. 



Urotricha, new species of, 101. 



Vaginicola, new species of. 101). 



Vorticella, new species of, 108. 



Vulsella, obsuvvatious on the geniH, 

 59. 



Waterhouse, C. O., on a new genus 

 of Ileteromerous Coleoptera allitd 

 to Notoxus, 31)-, on new Coleo- 

 ptera, 497. 



Weovers, on the British species of, 

 441,526. 



Whale, on the occurrence of Sower- 

 by's, on the Yorkshire coast, 53. 



Woldrich, Prof. J. N., on the origin 



. of the European races of dogs, 

 295. 



Worms in ice, 300. 



Ze.irgyra, characters of the new 

 genus, 245. 



Zizera, new species of, 531. 



END OF THE SEVENTELilNTH VOLUME. 



Pit IN TED BY TAYLOR AND FHANCIS, 

 liED MO.N COUKT, FLEET STKEET. 



