134. Structure of Mosses, after Jussieu,

349

135. Antheridia and antherozoids of Polytrichum, after Thuret, 136. Mouth of Capsule of Funaria,

350

351

137. Peristome of Fontinalis, after Payer,

351

138.

Ditto of Bryum,

ditto,

351

142. Ditto of Hermionitis, ditto,

139. Ditto of Cinclidium, ditto,

140. Petiole of Fern, .

141. Sori of Polypodium, after Payer,

143. Sorus and Indusium of Aspidium,

351

352

353

353

354

144.

Ditto

of Deparia, after Payer,

354

145. Development of Prothallium of Pteris, after Suminski, 146. Antheridia and antherozoids of Pteris, after Suminski,

196. Group of Vorticella, after Ehrenberg,

199.

Ditto of Trichoda, after Haime,

189. Pollen-grains of Althea, &c., 190. Seeds of Poppy, &c.,

191. Amaba princeps, after Ehrenberg,

193. Various forms of Rhizopods, after Ehrenberg,

194. Kerona silurus, after Milne-Edwards,

197. Fissiparous Multiplication of Chilodon, after Ehrenberg, 198. Metamorphoses of Vorticella, after Stein,

200. Brachionus pala, after Milne-Edwards,

201. Rotifer vulgaris, after Ehrenberg, 202. Stephanoceros Eichornii, Ditto, 203. Noteus quadricornis,

204. Gromia oviformis, after Schulze,

398

402

405

407

411

414

414

416

418

419

420

427

429

432

Ditto,.

434

437

205. Rosalina ornata, after Schulze,

439

206. Orbitolites complanatus,

441

207. Animal of simple type of ditto,

442

208. Animal of complex type of ditto,

444

209. Section of Faujasina, after Williamson,

447

246. Laguncula repens, after Van Beneden,

493

247. Bird's-head processes of Cellularia and Bugula, after Johnston and Busk,

498

248. Amaroucium proliferum, after Milne-Edwards,

501

269. Ditto of Buccinum, under polarized light,

521

270. Embryoes of Nudibranchs, after Alder and Hancock,

522

271. Embryonic development of Purpura,

523

272. Latter stages of the same,

525

273. Structure of Polycelis, after Quatrefages,

534

274. Circulation of Terebella, after Milne-Edwards,

535

275. Ammothea pycnogonoides, after Quatrefages,

540

276. Cyclops quadricornis, after Baird,

543

277. Development of Balanus, after Bate,

549

278. Metamorphoses of Carcinus, after Couch,

551

279. Scale of Morpho Menelaus,

557

280. Battledoor scale of Polyommatus argus, after Quekett,

284. Section of Eye of Melolontha, after Strauss-Durckheim,

327. Capillary Circulation in Web of Frog's foot, after Wagner, 328. Intestinal villi of Monkey,

618

622

333. Section of Human Lung,

626

336.

334. Microscopic organisms in Levant Mud, after Williamson,

335.

Ditto
Ditto

337. Vertical section of Nummulite,

338. Portion of Ditto, more highly magnified,

339. Horizontal section of Ditto, .

340. Section of Orbitoides Prattii parallel to its surface, 341. Portions of Ditto, more highly magnified,

342. Vertical section of Ditto,

343. Eye of Trilobite, after Buckland,

630

in Chalk from Gravesend, after Ehrenberg,
Ditto from Meudon,

631

Ditto

632

635

636

637

637

638

638

640

344. Section of Tooth of Labyrinthodon, after Owen,

345. Crystallized Silver,

346. Oily Matter in Fibres of Brain (Todd and Bowman),

641

645

653

347. Corpora Amylacea of Pineal Gland (Sieveking and Jones), 348. Fatty Degeneration of Nerve-Fibre,

358. Section of Gray Granulations,

360. Pigmentary Matter mixed with Tubercle (Bennett),

658

659

359. Cretaceous and Cheesy Variety of Tubercle (Bennett),

659

659

361.

Structure of Tubercular Mass from Cerebellum,

659

362.

371. Transverse Section of Lobule of Human Liver (Leidy),

662