Vou. TI] VAN DENBURGH AND THOMPSON—NEW SEA SNAKE 47 
in about twelve fathoms of water at the time these snakes 
were collected. Two females collected January 6, 1907, each 
contained three embryos. The heart of one embryo was found 
beating fifty-six times per minute, one hour after the death 
of the mother in alcohol. 
Material.—In addition to the eighteen specimens of this 
snake in the Academy’s collection and the one presented by 
Dr. Thompson to the British Museum, we know of but one 
other specimen of Disteira cincinnatii. This is No. 9281.1a 
Senckenberg Museum and is mentioned by Boettger in his 
catalogue of snakes as Hydrophis fasciatus collected by Moel- 
lendorff at Manila. 
CALIFORNIA ACADEMY OF SCIENCES, 
December 7, 1908. 
