4° 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. I43 



REGENERATION 



Emerson, A. E., 1956, pp. 248-258. (Africa, 

 regenerative behavior — nest structure.) 



RESISTANT WOODS 



Anonymous, I953t, p. 70. (Australia, Can- 

 berra, Syncarpia laurifolia, Eucalyptus 

 crebra, E. tereticornis, paniculata, mi- 

 crantha, grandis resistant.) 



19561, p. 67. (Australia, Canberra, Euca- 

 lyptus rostrata, propinqua, punctata, sa- 

 ligna, eugenioides, sieberiana; plastics, 

 polystyrene unsaturated polyesters, epoxy- 

 lenes, and phenolic laminates, polyvinyl 

 chloride and cellulose acetate become sus- 

 ceptible when plasticized.) 



I957h, pp. 1-15. (U.S., Mississippi State 

 Highway Dept. guard rail posts, native 

 red cedar round posts (1937-1955) 60% 

 perfect; 1939-1953, 85%; i949-i953> 85%. 

 Western red cedar (1938- 1947) 25% per- 

 fect. Black locust (1938-1955) 85% per- 

 fect.) 



1958I1, p. 66. (Australia, Canberra, order 

 decreasing resistance: Eucalyptus rostrata, 

 E. propinqua, E. punctata, E. saligna, E. 

 eugenioides, E. sieberiana to Coptotermes 

 lacteus and Nasutitermes exitiosus. Ex- 

 tracts from black bean Castanospermum 

 australe have antitermitic effect. Plastics 

 thin films polyethylene, polyvinylidene 

 chloride, and polyvinyl chloride pene- 

 trated by termites. Cable sheathings of 

 polyvinyl chloride containing fractional 

 percentages of aldrin and dieldrin im- 

 mune, permanence not known.) 



1958I, pp. 113-119. (U.S., FHA, California 

 redwood, foundation grade, tidewater red 

 cypress, 100% heartwood.) 



I959q, pp. 1-15. (U.S., Mississippi State 

 Highway Dept. guard rail posts, native 

 red cedar round posts, 8 to 10 in. in 

 diameter, 1937-1955 and all other tests 

 naturally resistant woods closed as of 1957 

 report.) 



1959s, p. 66. (Western Australia, tests com- 

 mercial timbers underway.) 

 Asenjo, C. F., Amoros-Marin, L., 1958, 

 p. 183. (Puerto Rico, resistance mahogany 

 wood {Swietenia mahogani) to Crypto- 

 termes brevis.) 

 Asento, C. F., et al., 1958, pp. 185-195. 

 (Puerto Rico, resistance mahogany wood 

 (Swietenia mahogani) to Cryptotermes 

 brevis.) 

 Bavendamm, W., 1955, in Schmidt, H. (Ed.), 

 1955b, pp. 245-306. (Natural resistance 



of woods to termites, alphabetical and 

 systematic — by family lists woods of 

 world.) 



Gay, F. J., and Wetherly, A. H., 1958a, 

 pp. 1-13. (Australia, hardboards of /«- 

 niperus stock.) 



Gosswald, K., 1956, pp. 65-70. (Europe, Calo- 

 termes flavicollis, laboratory testing re- 

 sistant woods.) 



Harris, W. V., 1956b, pp. 1-13. (Field tests 

 for resistance.) 

 1958, pp. 161-166. (East Africa, Crypto- 

 termes spp., resistant woods.) 



Herfs, A., 1956, pp. 2-5. (Reticulitermes lu- 

 cifugus test on Larix wood.) 



Jacobson, M., 1958, pp. 1-299. (Extractives 

 render wood resistant.) 



Jenkins, C. F. H., 1959, pp. 1 17-123. (Western 

 Australia, jarrah (Eucalyptus marginata) , 

 native pine (Callitris spp.), jam (Acacia 

 acuminata.) 



Martinez, J. B., 1957, pp. 1-15. (Canary 

 Islands, Cryptotermes brevis, resistant 

 woods.) 



Rudman, P., and Da Costa, E. W. B., 1958, 

 pp. 1-8. (Australia, Canberra, resistance 

 to decay, role toxic extractives silver top 

 ash, Eucalyptus sieberiana^) 



Rudman, P., Da Costa, E. W. B., Gay, F. J., 

 and Wetherly, A. H, 1958, pp. 721-722. 

 (Australia, tectoquinone not solely re- 

 sponsible for durability in teak — Tectona 

 grandis.) 



Sandermann, W., and Dietrichs, H. H., 1957, 

 pp. 281-297. (Research on termite re- 

 sistant woods, Germany.) 



Schmidt, H., i960, pp. 59-63. (Germany, test 

 of sawdust of different woods.) 



Schultze-Dewitz, G., 1958, pp. 248-251. (Ger- 

 many, natural resistance of endemic hard- 

 woods to European termites.) 



Wolcott, G. N., 1957, pp. 259-311. (Puerto 

 Rico, Cryptotermes brevis, natural resist- 

 ance woods.) 

 1958, pp. 417-421. (Puerto Rico, extractives 

 from Osage orange, substance 1, and 

 tetrahydroosajin greater value; pinosylvin 

 (Scots pine), taxifolin (Douglas fir), 

 Venezuelan and Trinidad Ryania speciosa 

 wood toxic, chlorophorin from African 

 iroko preservatives.) 



