Illb. 2c.c. 



146 Illb. 2c. c. 



V. Histochemistry of development of selected species of I. 2b. c. 

 various vertebrate classes, of various organs and tissues IV. 4. 



under varying physiological and pathological states, of V. 4. 



metamorphosis, regeneration and senescence. 



E. R. HAYES 

 V Development of nucleoproteins. Aves and Amphibia. 



Miss A. ORLANDI 



LV. Behavior of nucleic acids in development of telolecithal I. 2c. 



ova. (Especially the behavior of the nucleoli and their II. 2c. 



development). Lower Vertebrates. P. L. RISLEY Ilia. 2c. c. 



Histochemistry in the development of Cyclostomes. I. 2a. 



R. H. SHELLHAMER 

 The behavior of yolk and its different components in 

 developing fish embryos. Cyprinus carpio. 



B. KONOPACKA 

 Nucleic acid synthesis in development. Fishes. 



A. STEFANELLI 

 Cytochemical observations on the first stages of Am- II. 2a. c. 

 phibia (various species). 



J. L. A. BRACHET and J. PASTEELS 

 Histochemistry of amphibian development and meta- 1. 2a. 



morphosis. R. A. KNOUFF V. 3. 



Cytochemistry of amphibian eggs. Amblystoma mexi- 

 canum and Xenopus laevis. S. L0VTRUP 



Utilization of yolk during morphogenesis of amphibians. 

 Rana pipiens and Ambystoma maculatum. 



Norman E. KEMP 

 Quantitative biochemical determination of yolk distri- Illb. 6. c. 

 bution in the axolotl gastrula. Ambystoma mexicanum. 



J. R. GREGG 

 Patterns of development of enzymes in embryos; dif- 

 ferentiation of enzymes in relation to differentiation of 

 functional ability in embryonic organs. Rana pipiens. 



F. MOOG 

 Development of oxidative enzymes in relation to nucleo- Ilia. 2c. c. 

 proteins and various centrifugable elements in the 

 amphibian embryo. Amblystoma punctatum and Rana 

 pipiens. Miss R. GILMARTIN 



(under direction of E. J. BOELL) 



Hypertrophy of enzyme development in Amblystoma 

 punctatum resulting from rearing embryos in solutions 

 containing enzyme substrates. E. J. BOELL 



Alkaline phosphatase activity during development. 

 Amblystoma mexicanum and Xenopus laevis. 



Miss E. J. KRUGELIS 

 Phosphatase distribution in Amphibian eggs. Rana and 

 Bufo. B. BATTAGLIA 



Proteins in embryonic development. Amphibians. Ilia. 2c. c. 



S. RAN2I Hid. 2. 



Ricerche sull'acido ascorbico durante lo sviloppo 1. 2a. c. 

 embrionale degli Anfibi. 



Mrs L. URBANI— MISTRUZZI 



