TITLES. Ins. 81 
1516. Wheeler, W. M. Dr Ccastle and the Dzierzon theory. Science xix, 
pp. 587-591. 
Relates to Castle (249). Inchides a criticism of Petrunkewitsch as to 
polar body becoming reproductive organ in bee. 
1517. . On the pupation of ants and the feasibility of establishing 
the Guatemalan Kelep or cotton -weevil ant in the United States. 
Science xx, pp. 437-440. 
1518. . Three new genera of inquiline ants from Utah and Colorado. 
Bull Amer. Mus. xx, pp. 1-17, pis. i, ii. [Hymenoptera.'] 
1519. . The American ants of the subgenus Colohopsis. T. c. 
pp. 139-158. \_Hymenoptera.^ 
1520. . Ants from Catalina island, California. T. c. pp. 269-271. 
\^Hymenoptera.'] 
1521. . The ants of North Carolina. T. c. pp. 299-306. [Hymeno- 
ptera.] 
1522. . A new type of social parasitism among ants. T. c. pp. 347- 
375. [Jlymenoptera.] 
1523. . A Crustacean-eating Ant {Leptogenys elongata Buckley). 
Biol. Bull, vi, pp. 251-259, 3 figg. 
1524. . The Phylogeny of the Termites. Biol. Bull, viii, pp. 29-37. 
. [Translation of Forel ; see Foel (523).] 
1525. Whitney, C. P. Descriptions of some new species of Tahanidce. 
Canad. Ent. xxxvi, pp. 205, 206. [Diptera.'] 
1526. WiCKHAM, H. F. The influence of the mutations of the pleisto- 
cene lakes upon the present distribution of Cicindela. Amer. 
Natural, xxxviii, pp. 643-654. 
1527. . Reduplication of the tarsus in Hydrocharis. Ent. News 
Philad. XV, pp. 237, 238. \Coleoptera.'\ 
1528. . The metamorphoses of Mgialites. Canad. Ent. xxxvi, 
pp. 57-60, pi. ii. \Coleoptera.'\ 
1529. . On the systematic position of the j^Jgialitidce. T. c. pp. 356, 
357. [Coleoptera.] 
1530. Williams, C. E. Notes on the life history of Gongyhis gongyloides 
a Mantis of the tribe Empusides and a floral simulator. Tr. ent. Soc. 
London 1904, pp. 125-137. {Ortlioptera?^ 
1531. Williamson, E. B. The dragonflies {Odonata) of Burma and Lower 
Siam. I. Subfamily Calopterygince. P. U. S. Mus. xxviii, No. 1389, 
pp. 165-187. 
1532. . A new species of Psolodesmus (order Odonata) from Formosa. 
Ent. News Philad. xv, pp. 247, 248. 
1533. Willis, J. C. & Burkill, I. H. Notes on the anthophilous insects 
of the Clova mountains, ii. On the choice of flowers by Syrphids. 
Ann. Scott. Nat. Hist. 1904, pp. 166-168. [Diptera.] 
1534. WiMMER, A. Studie dipterologicke. Rozp. Ceske Ak. Praze ii, xiii. 
No. 1, 12 pp., 2 pis. 
1535. WiRTNER, P. M. A preliminary list of the Hemiptera of Western 
Pennsylvania. Ann. Carnegie Mus. iii, pp. 183-232. 
1904. [Vol. xll] e 6 
