i ('I'TANKOUS SKXSLI'.lU'n I!) 



believe to In- sensory in clianidcr, like those found in the olfactory 



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Fii.. ti. Section through rpiderinis of human liaml. (Kanvi'T.) //., Horny layer: consistin.L; ni . 

 Mijinrticial horny scales ; sn:, swollen lioniy cells ; n.L, stratum lucidnm. J/., reti- mucosum or 

 Malpi^hiaii layer : consisting of;'., prickle cells, and <., elongated cells forming a single stratum 

 iM'.-ir the corimn ; n., part of a plexus of nerve-libres in the superficial layer of the cut is vera ; 

 from this jilt-xus varicose nerve-fibrils can be traced between the cells of the Malpighian layer. 



and gustatory organs. Phylogenetically, the hederiform endings 



Ki<;. 7. Iio-iel's small intia-epithelial baskns, .seen in profile. These consist nf ramilicutions of 

 varicose myelinated nerve-fibrils, which become expanded in contact with the prickle < 



with terminal liaskets rejiresenL the latest form of nerve-ending 

 in the vertebrate epid>'i -mis : they occur only in mammals. 



