No. 484] DISTRIBUTIOX (>F ( ■/IJ:T()( ,.\ ATI/ S 



251 



generally, rather than primarilv svstcinatists, that ilu- lH'ariii<^ of 

 the data of the geographical (h'strihutioti of the ofixaiiisins with 

 which they have been dealino-, upon the l)roa<lcr jjiohlcms of 

 evolution has been somewhat iicolccftMh It is on>atiy to l)c hoped 

 that the life of the sea, primitive, ancient, (Hversified as it is, may 

 yet shed some light upon the problems which this brief paper can 

 do little more than suggest. 

 Zoological Laboratory 



University of Califorxia 

 Dec. 15, 1906 



BIBLIOGRAPHY 



AlDA, T. 



'97. ChcTtogiiaths of Misaki Harl)or. Annot. Zool. Jap., Vol. I, 

 pp. 13-21. Tab. III. 



DONCASTER, L. 



:03. Chjptognatha, with a note on the variation distribution 

 of the group. Fauna and Goog. of the M;il(h\v and l,;i(c;idi\ e 

 Archipelago. Vol. I. pp. 209-21S, pi. t. xt tiLnn. - Mf, U). 

 FOWLKH. (i. H. 



Alonogr. XXI, 85 pp., 3 Pis., 6 Charts 

 Jordan, J). S. 



:05. The origin of species through isol; 

 XX n. pp. .-)4.-)-:)fi2. 



Vvhvr (he Darwinsche Theorie in Be/.ug auf die ge(.grai)liis("he 

 \'erbreitung der Organisnieii. Sitzber. d. bayer. Akad. d. Wiss. 

 Munchen, Bd. 1, pp. 359-395. 



