DR. MARTIN BARRY ON FIBRE. 
135 
enlarged blood-corpuscle, the nucleus of which was undergoing division, 
for the purpose of producing young corpuscles. 
Fig. 155. Sketch of the hair-bulb in a foetal sheep ; which contained nuclei, unwind- 
ing into filaments, the filaments interlacing, a. Structure of the fila- 
ment, as seen on its flat surface. (3 . Edge of the filament (par. 123). 
Fig. 156. Shrimp, «. Sketch of a fasciculus of voluntary muscle, presenting inter- 
laced spirals ; some of which are seen pendent at the lower part. (3. One 
of these spirals, the windings of which were distinctly followed. 
Fig. 15/. Lobster. Sketch of a fasciculus of voluntary muscle: at the lower part 
broken off short-, at the middle part notched (pars. 118 — 122). a, [3. 
Displaced extremities of the ruptured spirals, y. Structure of the spirals. 
