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Experimental Production of Double Embryos


Titlebaum (Tyler), Albert (1929) Experimental Production of Double Embryos. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/JGJW-D344.


[Introduction] The egg of the polychaet, Chaetopterus, has never been observed normally to produce double-embryos. It has been found, however, by experimental treatment, such as pressure and low temperature, that double-embryos can be produced.

Item Type:Thesis (Dissertation (Ph.D.))
Subject Keywords:Biology
Degree Grantor:California Institute of Technology
Major Option:Biology
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Unknown, Unknown
Thesis Committee:
  • Unknown, Unknown
Defense Date:1 January 1929
Additional Information:Albert Titlebaum changed his name to Albert Tyler after arriving at Caltech in Pasadena, Calif., from Columbia University with Thomas Hunt Morgan for the new Biology program in the mid 1920s. He graduated with a PhD in Biology as Albert Titlebaum (see also, but is listed as Albert Tyler in the Caltech Alumni Directories. For more information, see The Thomas Hunt Morgan Era in Biology / by Judith Goodstein (
Record Number:CaltechETD:etd-09112007-080349
Persistent URL:
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3467
Deposited By: Imported from ETD-db
Deposited On:17 Sep 2007
Last Modified:03 Oct 2019 23:26

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