Fig. 6. Lanthorn microscope and screen 88

X. Fig. 1, 2. Nest of the phalæna neustria.--Fig. 3, 4. Vertical section of ditto.

Essays on the Microscope — Part 13

Fig. 7, 8. Scales of the parrot fish, 355.--Fig. 9, 10. Scales of sea perch 356

Essays on the Microscope — Part 13

XI. Fig. 1, 2, 3. Larva of the musca chamæleon 248

Essays on the Microscope — Part 13

XII. Fig. 1, 2, 3, 4. Dissection of the caterpillar of the phalæna cossus 336

Fig. 5, 6, 7. Dissection of the head of the caterpillar 337

XIII. Fig. 1, 2. Beard of the lepas anatifera 344

XIV. Fig. 1, 2. Wing of the forficula auricularia 143 and 205

Fig. 2 to 47. Magnified figures of minute and rare shells 629

XV. Fig. 1, 2. Wing of the hemerobius perla 206

Fig. 1 to 46. Microscopic views of a variety of vegetable seeds 645

XVI. Fig. 1, 2, and B, C, D, E. Proboscis of the tabanus 188

Fig. 7, 8, E, F, H, I. Feathers of the wings of the sphinx stellatarum 208 and 627

XVII. Fig. 1, 2, 3. Leucopsis dorsigera 347

XVIII. Fig. 1 and 6. The lobster insect 348

Fig. 2 and 7. Skin of the lump-sucker 352

XIX. Fig. 1-4. Feet of the monoculus apus 354

Fig. 5 and 6. Skin of the sole fish.--Fig. 7, 8. Scale of the haddock.--Fig. 9, 10. Scale of West Indian perch.--Fig. 11, 12. Scale of sole fish 356

XX. Fig. 1 and A. Cimex striatus, 352.--Fig. 2 and B. Chrysomela asparagi 353

XXI. Fig. 1-24. Various hydræ and vorticellæ 364

XXIII. A. Fig. 1-13. Various hydræ, 365. B. Fig. 14-29. Ditto 382

XXIV. A. Fig. 1-10. and B. Fig. 11-24. Ditto 376

XXV. Fig. 1-68. A variety of animalcula infusoria 431

XXVIII. Fig. 1, 2. Transverse section of chenopodium 599

Fig. 3, 4. Transverse section of a reed from Portugal ibid.

XXIX. Fig. 1, 2. Transverse section of althæa frutex ibid.

Fig. 3, 4. Transverse section of hazel ibid.

Fig. 5, 6. Transverse section branch of lime tree ibid.

XXX. Fig. 1, 2. Transverse section of sugarcane. ibid.

Fig. 3, 4. Transverse section of bamboo cane ibid.

Fig. 5, 6. Transverse section of common cane ibid.

XXXII. Fig. 1. Microscopical crystals of salt of wormwood 607

Fig. 2. Microscopical crystals of salt of amber ibid.

Fig. 3. Microscopical crystals of salt of hartshorn ibid.

Fig. 4. Microscopical crystals of salt of sal ammoniac ibid.

N. B. The reader will find no references to the several letters which appear in the bodies of these figures, for reasons assigned by the author as above; in order not to deface the plate, they were suffered to remain.