TITLES. 
Ins. 25 
405. [Foerster, F.] Contributions k la faune Odonatologique Indo-Australe. 
vm. Ann. Soc. ent. Belgique 1899, pp. 63-72. 
406. -. Beitrage zur indo-australischen Odonaten-F qmiva,. ix. Wien. 
ent. Zeit. 1899, pp. 170-172. 
407. Folsom, J. W. The segmentation of the insect head. Psyche viii, 
pp. 390-394. 
Summary by Heymons, Zool. Centrlbl. vii, p. 32. 
408. -. The anatomy and physiology of the mouth-parts of the Col- 
lembolan , Orchesella cincta L. Bull. Harvard Mus. xxxv, pp. 7-39, 
3 pis. 
Summary by Heymons, Zool. Centrlbl. vii, p. 57. 
409. -. Japanese Collembolci. Part n. P. Amer. Ac. xxxiv, pp. 261- 
274, 3 pis. 
410. Forel, A. Yon ihrer konigl. Hoheit der Prinzessin Therese von 
Bayern auf einer Reise in Sudamerika gesammelte Insecten. i. 
Hyine7iopteren. a. Fourmis. Berlin, ent. Zeitschr. xliv, pp. 273-277. 
411. -. Trois notices myrmecologiques. Ann. Soc. ent. Belgique 
1899, pp. 303-310. [Hymenoptera. ] 
1, Diagnoses provisoires de quatre formes nouvelles de Colombie. 
2, Mystrium mysticum Reg. et formes voisines. 3, Quelques especes 
nouvelles ou insuffisament decrites. 
412. - . Heterogyna. Fauna Hawaiiensis i, pp. 116-122. [Hymeno¬ 
ptera.'] 
413. -. Lettre de Faisons. Ann. Soc. ent. Belgique 1899, pp. 438- 
447. [ Hymenoptera .] 
Habits of ants in North Carolina. Discovery of female Eciton. 
-. [See also Godman, F. D. (475).] 
414. Fowler, C. The Synhalonia of California. Canad. Ent. 1899, pp. 
137, 138. [Hymenoptera^] 
415. -. The Habropoda and Didasia of California. T. c. pp. 283-286. 
\Hymenoptera.~\ 
416. -. Some California bees. Psyche viii, pp. 405-407. [Hymeno¬ 
ptera^] 
417. -. California bees of the genus Nomada. Ent. News Philad. x, 
pp. 157-162. [Hymenoptera.] 
Fowler, W. W. [See Godman, F. D. (475).] 
418. Fox, W. J. Synopsis of the United States species of the Hymeno- 
pterous genus Centris Fabr. with description of a new species from 
Trinidad. P. Ac. Philad. 1899, pp. 63-70. 
419. -. Contributions to a knowledge of the Hymenoptera of Brazil. 
No. 6, a collection from Rio Grande do Sul and Sao Paulo. T. c. 
pp. 195-200. 
420. Fox, W. J....No. 7, Eumenidce (genera Zethus , Labus , Zethoides , 
Eumenes , Montezumia and Nortonia). T. c. pp. 407-464. 
421. Franqois, —. Sur les glandes pygidiennes des Brachynides. Bull. 
Soc. ent. France 1899, pp. 232-235. [ Coleoptera.] 
422. -. Sur une curieuse anomalie d 'Onthophagus taurus Schreb. 
T. c. p. 116. [ Coleoptera. ] 
