All these measurements are made more difficult by the fact that it is impossible to do any measurements on dead specimens.

The dead specimen you gave me did not afford much opportunity for studying its chemistry, but it is evident that these things need oxygen.

Since we have two dead specimens, dissecting them might be helpful.

He brought back dead specimens and presented himself as the first white person to have seen them.

The nacre is less brilliant in dead or deep-water specimens.

No living or freshly dead specimens have been seen since.

Many of the early studies were based on dead specimens and myth.

If collected from dead specimens or frozen ones, it would be rendered inert.

Information on diet and behavior is currently unknown, however, given that all the research was done with dead specimens.

It appears to me that two, perhaps three of these four cases are little more than not quite dead specimens for investigation by Pathology.