44 
which I shall demonstrate when speaking of the genus Pentacrinites. A fine 
specimen in my. possession, showing the double serrated edge of the tentacula, 
proves this assertion, since it exhibits a similarly formed margin to that which 
marks the adhesion of the plated integument in besa Caput Medusz. 
Mr. PARKINSON calculates the number of joints forming the superior por- 
tion of this animal at 26,680, which would increase most surprisingly, were we 
to take into account the minute calcareous plates, that are interwoven in the in- 
tegument covering the abdominal cavity and inner surfaces of the fingers and 
. tentacula, and add them to the former. 
As an instance how often a superficial examination may lead men of ability 
into error, MEINECKEN in 19811110050001 Stueck, 8. p. 245. advances that the 
tentacula so regularly arranged in the interior of the lily encrinite, have some 
affinity to the septa in the orthoceratite, yet that these are formed of many 
, pieces! 
The peculiarly fine lily encrinite figured by Knorr, tab. 11. a. was, it is 
said, purchased (Maturforscher Stueck 3.) from the labourers at the limestone 
quarry at Schrapland, near Halle, by Inspector Wırxens, for 32 groschin, and 
given to Professor Lange, who sold it to Baron NirearT. However in the 
same publication (Stueck 6.) it is stated that it was not bought by Wırkens, but 
by Mr. Virico, at Farrenstadt, near Querfurt, for two dollars, and given to 
Lance, who sold it for three louis d'or. ፲፻ my memory does not misgive me, 
1 think I saw the specimen about twenty years ago in the collection of the 
Baturforshenden Seselschaft, at Dantzic. Where is it now? 
