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_Transmitted July 11, 1967._

31-9418

* * * * *

Transcriber's Notes

Bold text is shown within ~tildes~.

Italicized text is shown within _underscores_.

Illustrations have been moved to avoid breaking up paragraphs of text.

Page 507: Changed know to known (are not know in Tomodactylus).

Page 507: Added closing parenthesis in Fig. 2 caption after x 3.

Page 509: Changed compeltely to completely (compeltely roofed skulls).

Page 512: Veracruuz may be a typo for Veracruz (Sinaloa to Veracruuz).

Page 514: Change