44 
Dr Davy on the Temperature of Man 
6th, Of the Temperature of Crustacea. 
Crayfish . — At Colombo, on the 16th of September, air 80°, 
the temperature of a large crayfish that had been taken out of 
the sea two or three hours before, was 79°. 
Crab . — In the neighbourhood of Kandy, on the 25th of 
March, the temperature of a small crab, of a species which is 
common in the mountain torrents of the interior, was the same 
as that of the water in which it lived, viz. 72°. 
7 thy Of the Temperature of Insects. 
Searabceus pilularius . — At Kandy, on the 30th of June, air 
76°, the temperature of a beetle of this kind was 77°. 
Glow-worm . — At Kandy, on the same day in the morning, air 
73°, the temperature of a large species of glow-worm was 74°. 
Blatta orientalis . — At Kandy, on the 28th of the same month, 
air 83°, the temperature of two cockroaches was 75° ; and on 
the 29th, found the temperature of two more the same, where 
the air was 74°. 
Gryllus hcematopus f — At the Cape of Good Hope, in May, 
air 62°, the temperature of two locusts was 72 °.5. 
Apis ichneumonia ? — At Kandy, on the 26th of June, air 
75°, the temperature of a wasp was 76°. 
Scorpio cfer . — At Kandy, on the 20th May, at noon, air 79°? 
the temperature of a large scorpion was 77 °.5. 
Julus . — At Kandy, on the 18th of June, at noon, air 80°, 
the temperature of a julus was 7 8°.5. It was of that species 
that emits a yellowish fluid, which has the smell of iodine, and, 
not unlike iodine, colours the cuticle, but has no effect on po- 
lished steel. 
8th, Of the Temperature of Worms. 
The only worms, the temperature of which I have tried, were 
two kinds of leech, the Hirudo sanguisuga, and a species which, 
in Ceylon, is called the Jungle Leech, remarkable for living 
out of water in damp places. The temperature of both was 
the same as that of the water and air in which they were con- 
fined. 
I may remark generally, that, in the few experiments I have 
made to ascertain the temperature of small animals of the lower 
