

INDEX. 



cies of American Ant-tlimshes,376; 

 on Parus meridion.ilis, 381 ; on 

 three new species of Todirostrum, 

 382; on new species of Pachy- 

 rhainphus, 3.98 ; on the Upland 

 Goose, 461 ; on new species of 

 Formicariadaj, 462. 



Sclerurus, new species of, 4/2. 



Scotophilus, new species of, 227, 389. 



Scydmainus, new species of, 180. 



Seeds, on the vitality of, transported 

 by marine currents, 317. 



Sepia officinalis, note on the occur- 

 rence of, 528. 



Sheep, description of Chinese, 386. 



Siebold's, Von, Parthenogenesis in 

 Moths and Bees, reviewed, 48. 



Siphonactinia, description of the new 

 genus, 240. 



Slater, J. W., on the grape disease, 

 529. 



Smith, A., on the supposed influence 

 of the moon on vegetation, 151. 



Species, thoughts on, 485. 



Sphaerobolus stellatus, observations 

 on, 529. 



Spiders, descriptions of new, 282; 

 remarks on some British, 497. 



Spongiadae, on the anatomy and phy- 

 siology of the, 398. 



Spongilla, on the structure of, 21. 



Star-fishes, on the development of 

 the, 132; descriptions of new pa- 

 laeozoic, 321 ; on new Norwegian, 

 319, 320. 



Steenstrup, Prof . J., on Hectocotylus- 

 formation in the Cephalopoda, 81. 



Stephens, H. O., on two new Crypto- 

 gams, 514. 



Stomates, on the causes of the open- 

 ing and closing of, 154. 



Strix lapponica, on the nest and eggs 

 of, 309. 



Strombus, new species of, 522. 



Subergorgia, characters of the new 

 genus, 519. 



Tanager, on a new, 319. 



Tharanophilus, new species of, 466. 



Thevctia nereifolia, on two cases of 

 poisoning with the seeds of, 150. 



Todirostrum, new species of, 382. 



Tomes, R. F., on the genus Lasiurus, 

 215; on new species of Bats, 227, 

 388. _ 



Trachelius ovum, on, 201. 



Trecul, A., on circulation in plants, 

 467, 526. 



Trematode worms, on the larvae of 

 the, 129. 



Tridacna, on the anatomy of, 302. 



Trochilus, on the habits of the spe- 

 cies of, 520. 



Trochus, new species of, 523. 



Tropifer, new species of, 235. 



Troschel, Prof., on the saliva of Do- 

 lium galea, 75. 



Turbo Sarmaticus, on the animal of, 

 41. 



Urocerus gigas, on the occurrence of, 

 in Cornwall, 240. 



Vegetation, on the supposed influence 

 of the moon on, in Peru, 151. 



Vespertilio, new species of, 229. 



Virgularia, new species of, 238. 



Wallace, A. R., on the Great Bird of 

 Paradise, 411 ; on the natural his- 

 tory of the Aru Islands, 473. 



Waxwing, on the nest and eggs of 

 the, 308. 



Whales, on the British species of, 

 424. 



White, A., on some new Coleopterous 

 insects, 211. 



Wollaston, T. V., on certain Coleo- 

 pterous insects from the Cape de 

 Verde Islands, 503. 



Wolley, J., jun., on the nest and 

 eggs of the Waxwing, 308. 



Yeast-plant, on the development of 

 the, 304. 



Zoological Society, proceedings of the, 

 57,211,308,376,460,519. 



END OF THE TWENTIETH VOLUME. 



PRINTED BY TAYLOR AND FRA 

 BED LION COVKT; FLEET STREET, 



