PLATE 64 







383 



-. 



379. C'O-Hemoglobin of the California Sea-lion >ttu-iu i/iltfx/in), showing small, tirst-l'onneil crystals, some 



twinned. 



380. Same, showing the crystals seen on edge and in section. 



381. Same, large crystals showing parallel growth. 



382. Same, showing Sea-lion twin in edge view, consisting of three nearly symmetrically developed indi- 



viduals. 



3S3. Same, showing parallel growth. 

 i*t Same, showing single large crystal in symmetrical position. Small crystal below to the left shows 



profile view looking along ortho-axis. 



