490 



LIST OF TABLES 



TABLE NO. 



XXVI. Percentage Composition of the Ash of Various Organisms 

 XXVII. Relative Abundance of Various Elements in the Ash of 



Organisms 



XXVIII. Nutritive Solutions for Phanerogams .... 



XXIX. Inorganic Matters in Potable Water 



XXX. Nutritive Solutions for Algae . . . . 



XXXI. Nutritive Solutions for Fungi ' 



XXXII. Comparison of Ash in New-born Dog and in the Milk of 

 its Mother 



XXXIII. Results of feeding Tadpoles on Various Substances . 



XXXIV. Showing for Various Mammals the Time required to 



double the Birth-weight correlated with the Chemi- 

 cal Composition of the Milk of the Species 



XXXV. The Total Dry Weight of a Crop of Aspergillus reared 

 in the Absence and in the Presence of Various Quan- 

 tities of Irritating Substances . . . . . 

 XXXVI. Interval elapsing before Germination when Spores of 

 Penicillium are kept in Moist Chambers over Vari- 

 ous Solutions of Sodium Chloride . . . 

 XXXVII. Relation between the Humidity of the Soil and the Amount 



of Dry Substance produced 



XXXVIII. Relation between Concentration of the Solution and Ger- 

 mination of Peas 



XXXIX. Relation of Regeneration of Nais to Strength of Solution 

 XL. Relation of Reproduction by Fission of Dero to the 



Strength of the Solution 



XLI. Relative Size of Tadpoles reared in the Light and in the 



Dark 



XLII. Average Dimensions of Tadpoles reared behind Clear and 



Colored Screens 



XLIII. Percentage Deviations in Length of Larvae of Strongylo- 



centrotus reared behind Various Colored Screens, 



from Length of Larvae reared in White Light . 



XLIV. Relative Time of Hatching of Organisms reared behind 



Colored Screens ........ 



XLV. The Optimum Intensity for Phototropism in Various 

 Species of Plants ....... 



XL VI. Minimum Intensity for Phototropic Response in Various 



Species of Plants 



XLV1I. Average Total Increments in Length of the Plumules of 



Seedlings subjected to Different Temperatures . 

 XL VIII. Average Increments in Length of the Radicles of Various 



Seedlings subjected to Different Temperatures . 

 XLIX. Time required for Spores of Penicillium to germinate, 

 produce Visible Mycelium, and to form Spores, at 

 Various Temperatures ...... 



PAGTT 



296 



297 

 301 

 301 

 302 

 302 



303 

 329 



331 



332 



351 



353 



363 

 365 



36$ 



433 



434 



434 



439 



439 



451 



451 



452 



