PLATE 9 



50 



51 



53 





49. Oxyhemoglobin of the Goose (.!) utisrr), showing clusters of tabular crystals, twinned in zone 



of pyramid. 



50. Same, showing aggregates like figure -t'.i. hut with more individuals, producing rosette-shaped grnup. 

 51, 52. Same, tabular crystals seen on the basal aspect. 



53. Oxyhemoglobin of the Trumpeter Swan (Olnr buccinator), showing first-formed simple crystals. 



54. Same, showing large irregular aggregate of later growth. 



