II. 8. 125 H.ll. 



Development of organ-systems. 



8. Skin, dermal formations (exo-skeleton, teeth, leathers), sense 

 organs and glands o[ skin (including mammae) and pigment 



patterns. 



General subjects. 



V. Studies on the structure of the egg-tooth and the caruncle I. 8. 



in amphibians, reptiles and birds. G. R. de BEER 



M The eqg-tooth and caruncle of the Monotremes. I. 8. 



G. R. de BEER and J. P. HILL 



Lateralis system. 

 I. Development and morphology of the lateralis system in I. 8. 



the head. Dipnoans and Characinids. G. T. PEHRSON 

 J. Development of lateralis system. Triton cristatus and 1. 8. 



T. punctatus (Urodela), Rana agilis, R. arvalis and V. 4. 



Bufo vulgaris (Anura). Miss K. MACS 



9. Nervous system, ganglia, nerves and enveloping membranes. 



General subjects. 

 V. Determination and differentiation of nervous cells. 1. 9. 



Reptiles, Pisces and Amphibians. A. STEFANELLI Ilia. 9. 



M. Human and mammalian embryology with special refe- 1. 9. 



rence to nervous system. J. D. BOYD Ilia. 9. 



Central nervous system. 

 V. Continuation of my paper (in 4 volumes) on develop- 1.9. 



ment of the brain in fetal life. Vertebrates. 



K. H. KRABBE 

 I. Development and anatomy of the nuclei and nerve fibres I. 9. 



in the brain. Polyptetus (Brachiopterygii) . R. OLSSON 

 V. Origine du noyau tangentiel du nerf vestibulaire. — 1.9. 



Son origine. Poissons, Batraciens, Reptiles et Oiseaux. 

 A. MICHELI et M. NEIGER 



Accessory organs. 

 V. Comparative embryological study of pineal cytology. 1.9. 



Vertebrates. J. C. van de KAMER I. 18. 



Ganglia and nerves. 

 I. Development and anatomy of the ganglia and peripheral I. 9. 



nerves of the trigeminal complex and the trigeminal and I. 12. 



facial muscles. Bdellostoma and Pettomyzon (Cyclos- 11.12. 



tomes). T. J. J. V. LINDSTRoM 



10. Special sense-organs (nasal organ, eye and ear). 



M. Cytoloqie du developpement de la membrane olfactive. I. 10. 



Mammalia. J. SLOTWInSKI 



11. Embryonic temporary endo- skeleton, skeleton, skull and joints. 



LV. Development of ribs. Salmonidrae, Cyprinodontidae I. 11. 



(Teleostei) and Salamandta (Urodela). 



Miss A. BUCHTOWNA 



