22 
/ 
(pp. i-xii , 1-287), and Alfred M. Tozzer's "Chichen Itza and 
its Cenote of Sacrifice," Memoirs of the Peabody Museum, vol. XI 
and XII, Cambridge, 1957 (pp. i-viii, 1-230 and 231-316). These 
works contain excellent and classified bibliographies and are 
well illustrated. 
THE COUNT OF SPECIMENS COLLECTED 
After Tulum, Chichen Itzd, and Uxmal, the rest of our 
Yucatan adventure was an anticlimax. We subsequently collected 
7 
along the beach and rocky reef at Tancah, and over shoals and 
marshes and coral growths at the south end of Cozumel. What we 
got in species and in rarities beyond the few already mentioned 
has been set forth by Dr. Fenner A. Chace in his report 
t 
In the course of our five weeks in Quintana Roo waters, 117 
collecting stations were established, mostly in the marine littoral, 
and some 14 plankton samples taken with tow- and dipnet, the 
latter with aid of a submerged electric light over the ship's side. 
Dr. Clarke, at 20 different localities, collected insects along 
with other terrestrial arthropods and mollusks , and on Cozumel, 
in addition, a number of bats. 
The number of marine invertebrates obtained may well total 
10 , 000. Many of these are small , or even microscopic ? in size. 
Over 500 specimens of fish were caught, and something in excess 
