iv Contents. 



PAGE 



VIII. Mary A. Bowers. Histogenesis and Histolysis of the 



Intestinal Epithelium of Bufo lentiginosiis 263 



With 4 Plates and 1 Text Figure. 



IX. Herbert M. Evans. On the Earliest Bloodvessels in 

 the Anterior Limb Buds of Birds and their Relation 



to the Primary Subclavian Artery 281 



With 20 Figures. 



. X. Effa Funk Muhse. The Cutaneous Glands of the 



Common Toads 321 



With 7 Plates. 



XI. Maximilian Herzog. A Contribution to Our Knowl- 

 edge of the Earliest Known Stages of Placentation 



and Embryonic Development in Man 361 



With 30 Fig-ures, 



XII. E. T. Bell. I. On the Occurrence of Fat in the 

 Epithelium, Cartilage iuid Muscle Fibers of the Ox. 

 II. On the Histogenesis of the Adipose Tissue of the 

 Ox 401 



With 2 Plates and 13 Text Figures. 



XIII. Helen Williston Smith. On the Development of the 



Superficial Veins of the Body Wall in the Pig 439 



With 11 Figures. 

 XIV. Eben Clayton Hill. The Vascularization of the 



Human Testis 463 



With 9 Figures. 



XV. Ralph H. Major. Studies on the Vascular System of 



the Thyroid Gland 475 



With 10 Figures. 



J XVI. Caroline McGill. The Structure of Smooth Muscle 



in the Resting and in the Contracted Condition 493 



With 7 Plates and 7 Text Figures. 



