LIST OF ILLUSTRATIONS 



Eight portraits, eight plates (inserts), and two 

 additional illustrations 



No. 5- SEPTEMBER, 1912 



PAGE 



Portrait. Ernst Schulze i 



Plate I. Structure of muscle fibrils (Berg) 107 



Portrait. Paul E. Howe 201 



No. 6. JANUARY, 1913 



Portrait. Carl L. Aisberg 211 



Plate 2. Receptors of three kinds (Bolduan) 254 



No 7. APRIL, 1913 



Portrait. Heinrich Ritthausen 335 



Portrait. Russell H. Chittenden 349 



Engrossed Greetings to Prof. Chittenden by his colleagues of the Governing 



Board of th^^effield Scientific School 351 



Faces of the gol(^medal presented to Prof. Chittenden by the National Insti- 

 tute of Social Sciences 353 



Portrait (group). Testimonial dinner to Prof. Chittenden by his pupils, 



Mar. I, 1913 355 



Portrait. Samuel J. Meltzer 359 



Portrait (group). Dinner of the Society for Experimental Biology and 



Medicine, tenth anniversary, Feb. 19, 1913 363 



Plate 3. Apparatus for the electrometic determination of the concentration 



of hydrogen ions (Hasselbalch) 371 



Plate 4. Curve of carbon-dioxide excretion resulting from muscular work 



after forced breathing. (Higley) 390 



Plate 5. Influence of barometric pressure on the excretion of carbon-dioxide 



(Higley) 396 



Plate 6. Micro-Kjeldahl apparatus (Morse) 458 



No. 8. JULY, 1913 



Plate 7. Apparatus for use with the Meigs method for the determination of 



fat in milk (Croll) 517 



Plate 8. Relationship between the weight of the sugar beet and the compo- 

 sition of its juice (Harris and Gortner) 526 



XV 



