5. Describe and identify the three rock specimens, 40, 41, 42.

6. Make a drawing of the crystal models 43, 44, and 45. Mark the faces shewn in your sketches, with their Miller's symbols. State the forms present in each model, and the crystalline system to which each belongs.

7. Identify and describe the rock slides, Nos. 46, 47, and 48. Make a sketch of each rock, and name

the mineral constituents.

BIOLOGY.-PART I.

FIRST WRITTEN PAPER.

The Board of Examiners.

FOR PASS AND HONOUR CANDIDATES

All answers must be illustrated by rough sketches.

1. Describe an example of each of the chief groups of the Rhizopoda.

2. Describe a transverse section of Hydra, and compare it with one of Actinia.

3. Describe the hind limb of (a) a frog, (b) a shark, and (c) a kangaroo.

4. Give an account of the adult brain of a frog, and compare it with that of (a) a bird, and (b) a rabbit.

5. Describe the development and structure of an adult mammalian tooth, and indicate some of the modifications shown in the adult teeth of different mammals.

6. Give an account of the method of nutrition of a fern.

BIOLOGY.-PART I.

LABORATORY WORK.

The Board of Examiners.

1. Dissect the frog provided so as to show the venous system. Sketch your dissection and name the parts.

2. Identify and show by sketches the structure of the specimens marked A and B.

BIOLOGY.-PART II.

FIRST PAPER.

The Board of Examiners.

All answers must be illustrated by rough sketches. Not more than FOUR questions must be attempted.

1. Write an account of the structure and life-history of the Sporozoa.

2. Describe and compare the typical polyps met with in Coelenterata.

3. Give an account of the structure and life-history of Sagitta and of Tænia solium.

4. What is meant by the water-vascular system in Echinodermata? Describe its arrangement in each of the main groups.

5. Describe the chief modifications of the organs of excretion in gastropods.

6. Give an account of the process of reproduction in Chlorophyceæ.

BIOLOGY.-PART II.

SECOND PAper.

The Board of Examiners.

Answers must be illustrated by rough sketches. Not more than FOUR questions must be attempted.

1. Classify and briefly describe the group Infusoria.

2. Compare and contrast Obelia, Carmarina, Aurelia, Lucernaria, Charybdea.

3. Compare and contrast a typical polychaete and a chatopod.

4. Give an account of the structure of Antedon.

5. Describe the morphology of a brachiopod.

6. Describe the Hydropteridæ, illustrating your answer by reference to definite types.

NATURAL PHILOSOPHY.-PART I.

1. State

The Board of Examiners.

PASS AND FIRST HONOUR PAPER.

TEN questions only to be attempted.

Newton's Second Law of Motion, and indicate briefly the nature of the evidence on which it is based.

A mass of 45 grammes rests on a horizontal table, and is joined by a string passing over a smooth pulley to another mass of 4 grammes hanging over the edge of the table; find the time it would take either mass to move 1 metre from a position of rest

(a) If the table be frictionless.

(b) If the coefficient of friction between the table and the mass resting on it be ·05.

2. Define Force, Torque, Power, Tension.

If an athlete weighing 160 lbs. run 100 yards in 10 seconds, calculate the horse-power he exerts if he takes a stride of 5 feet, and during each stride raises his centre of gravity 24 inches, the resistance of the air being neglected.

3. In what respects are liquids different from solids, and in what from gases?

Classify putty, jelly, cobbler's wax, and give reasons for your classification.

What property is possessed by liquids that enables them to form drops? Explain how in this case this property is exemplified.

4. Describe the Bourdon pressure gauge, and explain how it works?

5. 50 grammes of iron at 100° C. are dropped into a copper calorimeter weighing 60 grammes which contains 200 grammes of kerosene at 10° C.; if the temperature rises to 14.5° C., find the specific heat of kerosene, that of iron being 112, and of copper 09.

6. State the First Law of Thermodynamics.

Define J, and describe how its value has been determined?

7. Establish the formula which gives the focal length of a converging lens in terms of any pair of conjugate focal distances.

8. Describe the motion by which sound is propagated through the air.

9. Give a short account of the molecular theory of magnetization, and describe experiments to illustrate its main features.

10. (a) An insulated sphere is given a charge. (b) Two hollow hemispheres of larger radius are closed round the first sphere without touching it.

(c) The two spheres are put in contact.

Describe fully the changes in the electrical condition of the conductors that accompany these operations, and show how to test your statements by experiment.

G