1		Edgar Rice, US author, creator of Tarzan (9)
6		Chain of mountains along the Italian peninsula (9)
11		Scientific law stating that the weight of a floating body equals that of the liquid displaced (10,9)
12		France's third longest river (5)
13		Ten or thirteen line poem with only two rhymes throughout (7)
14		Gertrude, US author of 'The Autobiography of Alice B Toklas' (5)
15		Earth's smallest continent (9)
16		'Four-legged' vertebrate (8)
19		Plant that completes its life cycle in two years (8)
21		How long it takes a computer to retrieve data from storage (6,4)
24		Small wood-boring beetle that makes a clicking sound (5-5)
26		Group of Caribbean islands
29		Star of film 'The Godfather' Parts II and III (2,6)
31		Instrument for testing an eye's range of vision (9)
34		Briefly, to summarize (5)
36		Kumasi is the capital of this region of Ghana (7)
37		A horse available for riding (5)
39		Great excitement over a trivial matter of a Shakespeare play! (4,3,5,7)
40		Daughter of Tsar Nicholas II, said to have escaped the family massacre (9)
41		Religious acts performed for the dying (4,5)

1		Metal alloy of copper and zinc (5)
2		Largest North American mountain system (7)
3		Ancient symbol of reconciliation or peace (5,6)
4		Irregular soldier fighting in a small unofficial unit (9)
5		US piano manufacturer (8)
6		Person indentured to learn a trade (10)
7		Conventional rules of behaviour (9)
8		Capital of Cyprus (7)
9		Sheet of rock that has moved sideways over neighbouring strata (5)
10		Yellowish-brown pigment (6)
15		Claudio, Italian conductor (6)
17		Projecting polygonal recess of an upper storey and its window (5)
18		Hot spring that intermittently gushes a column of water (6)
20		Message sent via the Internet (1-4)
22		Instrument that records the force, direction, etc., of earthquakes (11)
23		Abnormal dread of heights (10)
25		US author of 'Gentlemen Prefer Blondes' (5,4)
27		Food substances required to sustain life (9)
28		Imaginary figure personifying England (4,4)
30		Mineral mixture used for road surfacing (7)
32		Person on holiday, especially abroad (7)
33		War which made Florence Nightingale famous
35		Tropical seed used to make chocolate (5)
38		River in Spain and Portugal (5)