Pvn H,i I'UitlS

CARDIUM. 277
first two specimens which he found. Both were living
when taken by the dredge. I cannot resist the opportunity
of acknowledging my gratitude for the valuable aid
and communications which I continually received from
this kind friend for many years and up to the time of his
lamented and premature death. His gifted mind, varied
acquirements, generous nature, and great amiability
fascinated all who had the good fortune to know him.
He was a true naturalist. These and collectors are too
frequently classed together;
but there is an essential
difference between them. The former loves science for
its own sake, and not for the childish pleasure of ac-
quiring many rare species or even a unique specimen.
He is never selfish or covetous, his only craving being
for the sympathy of others who have the same tastes as
himself. The mere collector is generally not so intel-
lectual or estimable. Dr. Lukis exemplified this dif-
ference. The feelings that prompted him to share the
discovery above-mentioned with a brother naturalist
were doubtless the same as those expressed by the most
philosophic of our modern poets in the following lines:—
" Often have I sighed to measure
By myself a lonely pleasure,
Sighed to think, I read a book
Only read, perhaps, by me."
May such characters never be wanting
in our land !
C. papillosum is the C. scobinatum of Lamarck, C.
planatum of Renier, and C. Polii of Payraudeau. The
last-named author said that another species of Cardium
(C. echinatum), having papillse,
was known before Poli
described the present species as papillosum ; but this
hardly seems a sufficient reason for changing the name.
The young is C. punctatum of Brocchi, but not of Phi-
lippi.