Henchman. — Nervous System of Limax. 



PLATE V. 



All figures magnified 250 diameters. 



Fig. 60. The left surface of a section cut parallel to the sagittal plane from an 

 embryo of the ninth day. The section passes through a few cells of 

 the cerebral, the pedal, and the visceral ganglia of the right side of 

 the body, and also siiows a section of the right otocyst. Killed in 

 Perenyi's fluid, and stained in alcoholic borax-carmine. 



" 61. (ConsultexplanationofP'igs. 28-31, Plate III.) Sagittal section (the 22d) 

 to show the abdominal ganglion, which lies embedded in the ectoderm 

 anterior to the pleural groove 



" 62. (Consult explanation of Figs. .32-47, Plate III.) The 32d section of the 

 series, showing a transverse section of the cerebral commissure and a 

 portion of the left buccal ganglion. 



" 63. (Consult explanation of Figs. 28-31, Plate III ) The 15th section of the 

 series; it passes through the left cerebral, the pedal, the pleural, and 

 the visceral ganglia, and the wall of the left otocyst. 



" 64. (Consult explanation of Fig. 62.) The 24th section ; it shows the inter- 

 nal end of the cerebral invagination and the cell proliferation to form 

 the larger part of the brain of the left side. 



" 65, 66. Compare explanation of Figs. 48, 49, Plate III. 



" 66. The 91st section of the series, showing transverse sections of the buccal 

 commissure and the connective between the abdominal and the left 

 visceral ganglia. 



" 66. The 102d section of the series ; it passes through the abdominal ganglion. 



" 67. (Consult explanation of Fig. 62.) A section through the right visceral 

 ganglion. 



" 68. The posterior surface of a transverse section from an embryo of the 

 eleventh day. It shows the right visceral and the abdominal ganglia. 

 Killed in Perenyi's fluid, stained in Czoker's cochineal. 



" 69. The second section anterior to Fig. 68, passing through the visceral 

 ganglion of the right side. 



(Additional sections from this specimen are shown in Figs. 77-80. 

 Plate VI.) 



