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. 



