SENSE-ORGANS OF THE INTEGUMENT 



251 



A 



AE JE S7. 







.wz 



FIG. 184, A. LONGITUDINAL VERTICAL SECTION OF THE SKIN AND A LATERAL 

 LINE ORGAN OF Triton rrixtninx DURING THE BREEDING SEASON, WHEN 

 THE ANIMAL LIVES IN THE WATER. (After Maurer.) 



A E and JE, external and internal layers of epiderm abutting against the sensory 

 organs; BG, blood-vessel; SN, nerve; SZ, sensory cells; StZ, . supporting 



ctil 1 1: 



13. ISOLATED SUPPORTING (StZ) AND SENSORY (SZ) CELLS FROM A LATERAL 



LINE ORGAN OF TRITON. 



C. VERTICAL SECTION THROUGH THE LATERAL CANAL OF Amia talva. 



(After Allis ; slightly modified.) 



i, lateral nerve, and A 7 , branches to sensory organs ; Oe, apertures of the lateral 

 canal to the exterior ; &, scales ; SO, sensory organs in the lateral canal, 



