DORECKOLI! { jt 
CATALOGUE OF SHELLS. 41 
4, M. Tigrina Hutton. Capt. Hutton. 
— Var of M. Tuberculata (?) 
Quettah. 
5. M. Lirata B. 
a. Calcutta. 
b. Ceylon. E. L. Layard. 
e. Bengal. 
d. Tenasserim R. W. Theobald, Junr. 
6. M. Spinulosa. B. 
a. Calcutta. 
b. Ceylon. E. L. Layard. 
c. Bolan Pass. Capt. Hutton. 
No shells differ more among themselves than the four common 
species of our Indian Melanie or are more affected by the favorable 
conditions or the reverse, of the localities they inhabit. A fine spe- 
cimen of M. Variabilis in my own cabinet from Maulmein measures 43 
inches allowing an inch for the eroded tip. The ribs are bluntly 5 
nodular differing therein from the usual spinous ribs of var a from 
Birmah (Tenasserim R.) An ordinary fine Birmese specimen, mea- 
sures (when complete) 33, of which one inch is removed by erosion. My 
finest specimen of the smooth pointed var from Noung-ben-zeik mea- 
sures 25 and has merely lost the apex. This var is rarely much 
eroded, and is also found in the Purneah district. M. Tuberculata 
presents two marked varieties which deserve notice, viz. a smooth var 
and a tuberculate one. The former var is smooth, dark colored, con- 
spicuously but finely striated spirally, with few or faint traces of tuber- 
cles in any part. My largest specimen measures 1} inches and if 
perfect, would be about 14. The other variety is more coarsely striated 
and conspicuously tubercularly ribbed. Its color is a yellowish brown 
relieved by transverse flame like stripes of reddish brown. A very 
large specimen from Bombay measures neatly 14 inches and has fat 
about an 3 by erosion, ‘his var is more sharply acuminate than the 
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