114 GUIDE TO THE FOSSIL INVEETEBIIATE ANIMALS. 
Celery :\Ia,iy of the collections of fos.sil brachiopods tliat have 
Wall-cases ”^^0 ihe possession of tlie nation are of great interest, 
10 & 11. either because they have been obtained from remote parts of 
Fig. 59. An example of the spire-bearing Telotremata, Spirifer siriatus. 
Carboniferous Limestone. The shell is seen from the side of the 
brachial valve, and portions of that valve are broken away, exposing 
the spires that support the arms of the lojihophore. Between the 
umbones of the peduncular and brachial valves is seen the delthyrium, 
partly filled in by the deltidial plates that have met and fused above 
the foramen into a single deltidium. (From the “ Cambridge Natural 
History.”) ^ 
Fig. go. — An example of the loop-boaring Telotremata, Magcllania fiavcs- 
cens. Recent seas, Australia. A. — Interior of peduncle valve. /, fora- 
men for peduncle, below which are seen the two deltidial j>lates ; 
t, teeth of hinge ; a, b, c, muscle-scars ; b', scar of iieduncular attach- 
ment. B. — Interior of brachial valve, c, c', cardinal process for 
attachment of muscles ; b, hinge-plate, supporting cardinal process and 
prolonged below into p, the median septum ; s, sockets for the teeth of 
the peduncle valve ; I, loop, supporting lophophore ; a, muscle-scars. 
the earth, as the xVrctic liegions or the Hindoo Khoosli, or 
because tliey have belonged to well-known students of tbe 
subject, .such as Thomas Davidson and J. F. 'Walker. In- 
terest of this kind has, however, been taken awav from this 
j ? «/ 
