CONTENTS 



1. Shoemaker, Clarence R. Amphipoda collected at the Arctic 



Laboratory, Office of Naval Research, Point Barrow, Alaska, 

 by G. E. MacGinitie. 78 pp., 20 figs. June 21, 1955. (Publ. 

 4209.) 



2. Abbot, C. G. Washington, D. C, precipitation of 1954 and 1955. 



3 pp., I fig. Mar. I, 1955. (Publ. 4210.) 



3. Abbot, C. G. Sixty-year weather forecasts. 2i pp., 11 figs. pi/ 



Apr. 28, 1955. (Publ.4211.) 



4. Abbot, C. G. Periodic solar variation. 20 pp., 5 figs. June 14, 



1955. (Publ. 4213.) 



5. Loeblich, Alfred R., Jr., and Tappan, Helen. Revision of 



some recent foraminiferal genera, ^y pp., 4 pis. July 21, 1955. 

 (Publ. 4214.) 



6. Traub, Robert, and Morrow, Mary Lou. A revision of the 



chiggers of the subgenus Gahrliepia (Acarina: Trombiculidae). 

 89 pp., 194 figs. June 30, 1955. (Publ. 4215.) 



7. Rasetti, Franco. Lower Cambrian ptychopariid trilobites from 



the conglomerates of Quebec. 35 pp., 6 pis. Aug. 11, 1955. 

 (Publ. 4216.) 



8. Gazin, C. Lewis. A review of the upper Eocene Artiodactyla of 



North America. 96 pp., 18 pis., 2 charts. Sept. 28, 1955. (Publ. 

 4217.) 



9. AIacGinitie, G. E. Distribution and ecology of the marine in- 



vertebrates of Point Barrow, Alaska. 201 pp., 8 pis., 3 figs. 

 Nov. 30, 1955. (Publ. 4221.) 



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