FIG. 150. Portion of convoluted tube of kidney of pig, prepared with bichromate of potash. The granular 

 substance which tills the tube contains nuclei, many of which are surrounded by areas the limits of which 

 are faintly indicated, b. Meil-r,ititt proprin. p. 132. (Oc.. 3.) 



PIG. 151. Longitudinal section of eyelash of newly-born child, hardened in chromic acid, a. The papilla. 

 6. Layer of longitudinal fibres of h;iir bulb. c. Muscular fibre of the mutculus cilinris albini cut transversely. 

 d. Hyaline membrane which separates the inner layer (g) of the hair bulb (here cut through), which consists of 

 transverse unstriped muscular fibre, and e, the external sheath of the rout. This hyaline membrane extends 

 uninterruptedly over the papilla. /. Outermost cylindrical cells of the external root sheath, which cover the 

 hyaline membrane of the p.-ipill;.. p. 131. 



Firs. 132. -Portion of a Mcihomian follicle from a vertical section of human eyelid, hardened in chromic 

 acid. a. Primtiiul duct, with its lining of pavement epithelium, c. b. The acini which communicate by 

 channels with the principal duct. These acini are bounded by a layer of iwlyheclrul cells, consisting of 

 granular protoplasm, which lines the memtirdiiii propria. These cells are directly continuous with the deep 

 cell layer of the duct. c. Polyhedral cells filling the acinus, which are flattened against each other, and 

 which, in preparations treated with alcohol and oil of cloves, are seen to contain each a nucleus, p. 131. 



