Catharacta maccormicki Jan.18 by Gutchern fate. Yesterday one of her tarse was bent considerably, in fact broken, apparently spontaneously by her weight on it. Gutchern was put out to nembulat on morning of 20 when it we decided there was no hope of her recovering one of her legs even with increased Ca in diet. Jan 19 Chick 31 when handled brought up a large mess of maturated krill. Stomach content of penguin chick. It looked like. In considering fate of Modoc+ Gutchern I am inclined to think that krill must be an important part of the slana chicle diet. Perhaps their main source of Calcium. Modoc + Gutchern have consistently refused to eat it. get adult shruces such out build lying on the ground in the colonies + also eat shruce content of chicks killed usually. The chicks+ adults still get few bones to eat once the pchils are well along in size-- Other possible Ca source is pebbles which the chicks seem to eat extensively, both Penguin + slana could be castet by salt spray, condensation nuclei, (known or blown on to spit from newly formed salt ice. Pretty unlikely that enough present I think However. Jan 20 Gutchern was autopsied this A.M. Both tibias had broken + were healing (bent), one tarsus was