Polymorphina 
anceps, 223, t. 39. 
australis, 239, t. 41. 
burdigalensis, 224, t. 39. 
communis, 224, t. 39. 
complanata, 230, t. 40. 
compressa, 227, t. 40. 
. concava, 236, t. 40. 
costata, 240, t. 41. 
cylindroides, 221, t. 39. 
frondiformis, 241, t. 41. 
fusiformis, 219, t. 39. 
gibba, 216, t. 39. 
granulosa, 238, t. 41. 
Gutta, 218, t. 39. 
hirsuta, 243, t. 42. 
Humboldtii, 236, t. 40. 
irregularis, 239, t. 41. 
lactea, 213, t. 39. 
myristiformis, 240, t. 41. 
nodosaria, 233, t. 40. 
oblonga, 222, t. 39. 
Orbignii, 244, t. 42. 
ornata, 242, t. 41. 
trigonula, 232, t. 40. 
tuberculata, 242, t. 41. 
variata, 237, t. 40. 
Prionotus, 469. 
Psammobatis, 473. 
relas, 500, 
Pterodiscus aurantiacus, 53. 
Pterygium zeylanense, 162, t. 36. 
Ramalina, 156, 163. 
Solorina crocea, 326. 
hæria 
INDEX. 
Rattray, A. On the anatomy, phy- 
siology, and distribution of the 
Firolidæ, 255, t. 43-4. 
| Reptiles obtained during the voyage 
of the Nassau, 465, 
Rhaphithamnus, 95, 
longiflorus, 98. 
Rhipsalis Cassyta, 35. 
Rhynchocinetes, 497. 
Ricasolia, 156, 164. 
Roccella, 155, 163, 
Salticus æquipes, 399, t. 54. 
affinitatus, 399. 
expers, 401, t. 54. 
flavipes, 403. 
histrionicus, 402, 
pratincola, 403. 
saltator, 401, t. 54. 
scenicus, 402. 
Saxicava, 487. 
aria, 
Schrebera, 38, 
alata, 41. 
B. tomentella, 42. 
golungensis, 40, t. 15. 
swietenloides, 39, 42. 
trichoclada, 41. 
Sebastes, 468. 
Seira, 279. 
Buskii, 280. 
domestica, 279. 
Serolis, 498. 
convexa, 498, t. 59. 
Sertum Angolense, 1. 
Sesamothamnus, 49. 
benguellensis, 50, t. 18. 
Sesamum angolense, 51. 
Smynthurus, Anatomy of, 288. 
Smynthurus aureus, 2 
luteus, 281. 
Solen, 487. 
tartaricola, a new British 
Fungus, 159. 
651 
Sphæroma, 499. 
— 162. 
Sphyrion Kingi, 501, t. 59. 
Spiders, Descriptions of some new 
British species, 393. 
Spirula, 475. 
Squamaria chrysoleuca, 336. 
elegans, 338. 
saxicola, 337. 
Stereocaulon alpinum, 318. 
paschale, 163. 
Syngnathus, 473. 
Tachymenis, 467. 
Tacsonia, 625, 628. 
Tegenaria intricata, 416. 
Terebratella, 488 
Thamnolia vermicularis, 319. 
Thelotrema, 167-70. 
albidiforme, 170, t. 36. 
disciforme, 170, t. 36. 
elachistoteron, 169. t. 36. 
exanthismocarpum, 169, t. 36. 
papillatum, 169, t. 
he 169, t. 36. 
Themisto, 4 
Theridion ake 419, t. 55. 
coracinum, 422. 
familiare, 418, t. 55. 
instabile, 416, t. 55. 
melanogaster, 422. 
stictum, 420, t. 55. 
venustum, 422 
Thomisus Creil, 406, t. 54. 
Thysanura, classification of, 294. 
Thysanura, Notes on the, 277. 
Tinnea, 57. 
bee bati, 58. 
eriocalyx, 59. 
Tomocerus, Muscular system of, 291. 
