LIST OF PLATES. 

 NUCLEI IN NERVE- CELLS. 



ANIMAL. SUBJECT. AMPLIFICATION. NO. OF PL. 



Alligator. Spinal Cord. . . . Magnified loo Diameters. XCIX. 



" Trigeminus. Motor R. " loo " C. 



" Oculomotorius. ... " 300 " CI. 



" Trigeminus. Motor R. " 300 " CI I. 



Raphe Cells " 300 " CIII. 



" Eminentia Acoustica. " 300 " CIV. 



Testudo. Optic Lobes '' 400 " CV. 



" Abducens " 400 " CVI. 



" Trigeminus. Motor R. " 400 " CVII. 



Sp. Cord. (Cervical.) " 400 " CVIII. 



" " " (Lumbar.) " 400 " CIX. 



Chel3'dra. Oculomotorius. ..." 100 " CX. 



" Trigeminus. Motor R. " 100 " CXI. 



Rana. 4 Sections '' 220 " CXII. 



Phrynosoma. Oculomotorius. . . " 100 " CXIII. 



NUMBERS OF PLATES GROUPED. EACH GROUP REPRE- 

 SENTING SECTIONS MADE FROM THE SAME INDIVIDUAL AND 

 PHOTOGRAPHED WITH THE SAME MAGNIFYING POWER. 



(I.-II.) (III.-IV.) (V. i-iv) (VI. i-iv) (VII.-VIII.) 



(IX.-X. «& CXIII.) (XI.-XII.) (XIII. ■-IV) (XVI.-XVII.) 

 (XIX. I-IV) (XX. I-IV) (XXII.-XXIII.) (XXIV.-XXV.) 

 (XXVI. -XXVI I.) (XXXIV.-XXXV.) (XXXVIII.-XL., XLIL- 

 XLIV., LIX.-LX.) (XLIX.-L.) (LVI. i-iv) (XCIX.-C.) 

 (CI.-CIV.) (CV.-CIX) (CX.-CXI.) (CXII. I-IV) 



