CONTENTS 



1. Welch, d'Alte A. Distribution and variation of the Hawaiian 



tree snail Achatinella apexfulva Dixon in the Koolau Range, 

 Oahu. 236 pp., 12 pis., 8 figs., Dec. 16, 1942. (Publ. 3684.) 



2. Snodgrass, R. E. The skeleto-muscular mechanisms of the 



honey bee. 120 pp., 32 figs., Sept. 30, 1942. (Publ. 3688.) 



3. Deignan, H. G. a revision of the Indo-Chinese forms of the 



avian genus Prinia. 12 pp., Sept. i, 1942. (Publ. 3689.) 



4. Roberts, Frank H. H., Jr. Archeological and geological in- 



vestigations in the San Jon district, eastern New Mexico. 

 30 pp., 9 pis., 3 figs., Oct, 12, 1942. (Publ. 3692.) 



5. Resser, Charles E. New Upper Cambrian trilobites. 136 pp., 



21 pis., Oct. 21, 1942. (Publ. 3693.) 



6. Valentine, J. Manson. On the preparation and preservation 



of insects, with particular reference to Coleoptera. 16 pp., 

 5 figs., Nov. 21, 1942. (Publ. 3696.) 



7. DoRSEY, Carl Kester. The musculature of the labrum, labium, 



and pharyngeal region of adult and immature Coleoptera. 

 42 pp., 24 pis., Jan. 20, 1943. (Publ. 3697.) 



8. Abbot, C. G. The 1914 tests of the Langley "aerodrome." 8 pp., 



2 figs., Oct. 24, 1942. (Publ. 3699.) 



9. Pennak, Robert W., and Zinn, Donald J. Mystacocarida, 



a new order of Crustacea from intertidal beaches in Massachu- 

 setts and Connecticut. 11 pp., 2 pis., Feb. 23, 1943. (Publ. 



3704-) 

 10. Kullmer, C. J. A remarkable reversal in the dikribution of 

 storm frequency in the United States in double Hale solar 

 cycles, of interest in long-range forecasting. 20 pp., 19 figs., 

 10 storm-frequency year maps, Apr. 5, 1943. (Publ. 3729.) 



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