1793. memorandum by Dr Walker, 331 
stance from the Cape they are first see, and when they 
first disappear. 
'. 7. The head, jaws, or teeth, of the different species of 
fharks that may be caught upon the voyage to be perser- 
ved: 
(8. Also the different: flying fithes. 
g- It is much to be withed, that one of the small fithes 
which always accompany the blue fhark, called the pilot- 
§th, might be caught and preserved. 
10. Wherever the cable or sounding line is used, it 
fhould be carefully examined when hove into the fhip, as 
there are frequently found curious animals adhering to 
both. 
11. Between the Cape and Madagascar, and in other 
parts of the India voyage, various sea-animals can be ea- 
sily taken on board, such as what the sailors call Portu- 
guese men of war, and others, to be preserved, if pofsible, 
in paper or in spirits. 
12. If the thip touches either at Madagascar or the 
island of Johanna, there are many curious fofsils, plants, 
and animals which may be preserved. 
13. At Bombay many interesting articles may be ob- 
‘tained, which are there articles of commerce from Surat 
and the Gulph of Persia :—Drugs, the different gums and 
resins, the largest pearl oysters, or mother of pearl, and 
tortoise fhells : the sandalum album, or white sandal wood, 
and ebony : the fine red Persian ochre, called at Bombay 
Indian red; the fins of the zebra, Persian lamb-dkins, 
jackall, leopard, panthers, and other Asiatic: quadrupeds ; 
also the horns, and if pofsible the heads, of the different 
antelopes and gazelles. 
14. At Bombay, Madras, and Calcutta, to collect spe- 
cimens of every fofsil even of the most common, that 
come within reach. To visit often the thops of the lapi- 
