DR. MARTIN BARRY ON THE CORPUSCLES OF THE BLOOD. 265 



the same appearance as corpuscles of the blood. These incipient fibres 

 are in outline, a. An orifice in the nucleus, probably communicating 

 with the exterior of the cell. One part of the fibre (3 still presented a 

 bead-like appearance. In another part, the cells had fully coalesced into 

 a cylinder. The latter was the case throughout the fibres y. In some 

 of these latter fibres, peripheral objects were still seen (par. 178.). h. A 

 cell filled with discs ; a nucleus not being observed in this cell. 



Fig. 158. From the same crystalline lens. Outline of incipient fibres. See the 

 description of the preceding figure, a. An orifice in the nucleus, com- 

 municating with the exterior of the cell. Nuclei were not observed in 

 any of the cells at the upper part of this figure ; the cause being pro- 

 bably that these cells were more advanced than those in the lower line, 

 and that their nuclei had been divided into the contents of the cells. 

 |3. Deficiency in the size of the cells, made up for by the number pre- 

 sent in the diameter of the fibre. 



Fig. 159. From the crystalline lens of the opposite eye in the same foetus. Cells 

 such as those in the two preceding figures, — but, generally speaking, 

 larger — arranging themselves to form a fibre of the crystalline. Some 

 of these cells presented a nucleus. In others, no nucleus was seen. 

 The nucleus, as elsewhere, appeared to be composed of discs. The 

 nucleus on the left consisted of two discs ; and each of these presented 

 indications of a subdivision into minuter discs. Two of the cells enter- 

 ing into the formation of the fibre in this figure, were very minute 

 compared with the rest. 



Fig. 160. Stone-chat {Motacilla rubicola, Linn.). From the testis, after macera- 

 tion for a night in water. Altered corpuscles having the appearance 

 of blood-corpuscles. They were blood-red, consisted of discs, and were 

 apparently progressing to form fasciculi of spermatozoa. The smallest 

 is in outline. 



Fig. 161. Yellow Bunting {Emberiza citrinella, Linn.). From the testis. Altered 

 corpuscle having the appearance of a blood-corpuscle, composed of 

 discs which were deep red ; and apparently in the course of forming a 

 fasciculus of spermatozoa. 



Fig. 161 J. Rabbit; killed two hours post coitum. From the vagina, a. Several 

 spermatozoa, apparently composed of discs, the number of which discs 

 appeared greater in some than in others. |3. An object composed 

 of discs. On the left, this object presented a part much darker than 

 the rest, apparently an orifice, in which the discs were seen with great 

 distinctness, y. Outline of an object of the same kind, but smaller. 

 The darker part obviously communicated with the exterior by an ori- 

 fice, 7 7, in which the discs were exceedingly distinct, as well as at the 



