Vol. 38, pp. 35-44 March 12, 1925 PROCEEDINGS OF THE BIOLOGICAL SOCIETY OF WASHINGTON NOTES ON CHILOPODS AND DIPLOPODS FROM BARRO COLORADO ID., AND OTHER PARTS OF THE CANAL ZONE, WITH DIAGNOSES OF NEW SPECIES. BY RALPH V. CHAMBERLIN. In recent months there have come into the author's hands several small collections of chilopods and diplopods from Barro Colorado Id. In 1923 Mr. James Zetek, speciaHst in tropical insects of the United States Bureau of Entomology and the man primarily responsible for the move which resulted in the setting aside of Barro Colorado as a Natural Park, sent in several forms from the island with material taken from termite nests from various other points in the Canal Zone. In the spring of 1924 Prof. W. C. Allee made a collection on the island in conjunction with his ecological studies. During the following summer Nathan Banks also collected a considerable number of these organisms incidentally to collecting in his own special Hnes. Although these collections obviously represent but imperfectly the myriopod fauna of the island, they are sufficient to indicate clearly that the fauna is largely peculiar in comparison with those previously made known from the Central American region and that it is essentially South American in its character. While most of the species are new, it seems desirable because of the importance this region is likely to assume in biological work to hst the known forms in these collections along with the diagnoses of the new ones. The types of the new forms are in the Museum of Comparative Zoology. CHILOPODA. Ceyptopidae. Cryptops zeteki, sp. nov. Cephalic plate with paired longitudinal sulci which extend forward only a short distance from caudal margin. Cervical groove of first dorsal plate 12— Peoc. Biol. Soc. Wash., Vol. 38, 1925. (35)
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