Imágenes de páginas
PDF
EPUB

ix

THE REV. WILLIAM BUCKLAND, D. D. F. R. S.

CANON OF CHRIST CHURCH, AND PROFESSOR OF CEOLOGY IN THE

UNIVERSITY OP OXFORD.

ON GEOLOGY AND MINERALOGY.

THE REV. WILLIAM KIRBY, M. A. F.R.S.

ON THE HISTORY, HABITS, AND INSTINCTS OF ANIMALS.

WILLIAM PROUT, M.D. F.R.S. CHEMISTRY, METEOROLOGY, AND THE FUNCTION OF DIGESTION, CONSIDERED WITH REFERENCE TO

NATURAL THEOLOGY.

His Royal HIGHNESS THE DUKE OF Sussex, President of the Royal Society, having desired that no unnecessary delay should take place in the publication of the above mentioned treatises, they will appear at short intervals, as they are ready for publication.

[blocks in formation]
[blocks in formation]

PLATE I. B. INFUSORIES. Fig. 1. Vorticella cothurnata

2. a. b. Zoobotryon pellucidum..

350 351

WORMS.

327 357

3. Botryocephalus bicolor
4. Diplozoon paradoxum

a. Ditto, natural size.
b. b. Mouths and oral suckers.

C. C. Caudal plates and suckers.
5. Diplostomum volvens
6. Eye of a perch infested by Diplostoma.

330

PLATE II. POLYPES.
Fig. 1. Mudrepora muricata

2. Sertuluria volubilis
a. a. Ov

es.

180 169

[blocks in formation]

PLATE III. RADIARIES. Fio. 1. Cephea mosaica

a. A. Arms of ditto. 2. Echinus esculentus, portion of the shell

shown externally. a. a. a. Groves. 6. b. Alleys. C. C. The lateral

groves. d. The intermediate one. 3. Inside of the same shell.

a. a. The dentated suture.
b. The middle ridge marked out on each

şide into transverse pieces.
C. G. The alleys, with pores for the suckers.
d. One of the frames to which the jaws

are fixed. 4. Spines of Echinus cidaris. a. Muscular fibres inserted in the base of

the spine, and surrounding the ball and

socket joint. b. The muscular capsule laid open, and the

muscles attached to the base of the spine

turned back. c. The origins of the muscles surrounding

the ball or tubercle. d. One of the tubercles. 5. One of the suckers of E. esculentus. a. The sucker; the pore in the centre is

supposed to be a spiracle connected

with the respiration of the animal.
6. The stalk of the sucker.
6. The suture of a portion of the alleys at the

lateral grove, in which the transverse
pieces are convex.

>203-210

« AnteriorContinuar »