144 



FREDERICK TIL.XKV AND U THFi; F. WAKKKX 



2. Cixlinlu i urn/mi <i. Bojanus ('19). 36 This author first 

 de-cribed the epiphy>is in lliis form as a short, pediculated struc- 

 ure with a dilated extremity whicli was flexed forward. Faivre 115 

 in 1S")7 describes it as a conical body containing small particles of 

 calcium phosphate. Ilerriek 17 ' 1 in 1891 defined it as a tabulated 

 sac attached to the roof of the brain. The distal portion is non- 

 vascular. Sorensen ('93), 361 reconstructed the pineal organ in 

 this form (fig. 71). 



gj 



. 



CI'.I The epiphyseal complex in a youn.u; 'I'l-npidimotus natrix, :iccnrcling 

 to Lcydii: 1897. 



3. Ax/)idnc<-lrx */>/ n ifcr. Herrick ('91). 176 In this species 

 the epiphysis has the form of a tubular structure arching for- 

 ward. Its lumen opens into the ventricle through a short stalk. 



4. ('l/i/i/ilrii wr/xi/l/nii. Humphrey ('94). 19 The embryo 

 of this -pecies has the same form as the saurians. In the early 

 staue- it i< a dilated sac connected with the third ventricle by a 

 short -talk. Later this stalk becomes hollow and in adults it 

 shows lobulat ion. 



