72 



MAYNIE R. CURTIS. 



way fastened together. All of the yolks were of normal size, 

 and of approximately the same size . . . the two kinds of albumen 

 (of thick and thin consistency) which are normal were present 

 in this egg. There was no trace of a chalaza in connection with 

 any yolk or at either pole of the egg. The shell membranes were 

 entirely normal." 



The second triple-yolked egg was produced September 16, 

 I 9 I 3> by bird No. 6^K. The egg appeared externally like a large 

 double-yolked egg. Its dimensions were as follows: 



Length 63.6 mm. 

 Breadth 47.6 mm. 

 Weight 79.62 gms. 



This was the first egg laid by the young pullet and was much 

 smaller than the egg described by Pearl. 



A photograph of the internal arrange- 

 ment of the egg parts is shown in Fig. 2. 

 The three yolks lay close together in a 

 common thick albumen envelope. The 

 chalazae were feebly developed but their 

 relations are shown in Fig. 3. 



The yolks evidently entered the ovi- 

 duct at successive short intervals and 

 came down the funnel region in "In- 

 dian file". There was a short end of 

 chalazal fibers at the caudal end of the 

 second yolk but other fibers were con- 

 tinued to the third yolk as shown in the figure. Since the three 

 yolks were close together in a common thick albumen envelope 

 they must have joined at or very near the anterior end of the 

 albumen secreting region. 



Normal thin albumen and a normal shell membrane and shell 

 were present. 



The weights of the parts of this egg were as follows: 



FIG. 3. Showing the ar- 

 rangement of yolks in the 

 triple-yolked egg. 



9.61 gms. 

 Weight of yolks j 9-45 gms. 



9.22 gms. 

 28.28 gms. 



Weight of albumen 44-24 S m s- 



Weight of shell 7- gms. 



Percentage of yolk 35-52 



Percentage of albumen 55-56 



Percentage of shell 8.92 



