TITLES. 
Ins. 67 
1233 . Wulp, F. M. van der. Verbeter ingen en Aanvullingen in den 
Catalogue of the described Diptera from South Asia. Tijdschr. Ent. 
xlii, pp. 41-57. 
1234. -. Asilidce from Aden and its neighbourhood. Tr. ent. Soc. 
London 1899, pp. 81-91, pis. ii, iii. [Diptera.] 
-, [See also Godman, F. D. (475).] 
1235. Wurm, W. Zur Fortpflanzungsgeschichte der Biene. Zool. Garten 
xl, pp. 148-150. \Hymenoptera?\ 
1236. Xambeu, — . Mceurs et metamorphoses d’insectes. Septieme me- 
moire. Premiere partie. Ann. Soc. Linn. Lyon xliv, pp. 9-56. Suite 
op. cit. xlv, pp. 9-66. 
1237. -. Mceurs et metamorphoses des Insectes. Dixieme rnemoire. 
Coleopteres larves a fourreau portatif Clytres et Cryptocephales. Op. 
cit. xlvi, pp. 1-72. 
1238. Zander, E. Beitrage zur Morphologie des Stachelapparates der 
Hymenopteren. Zeitschr. wiss. Zool. lxvi, pp. 289-333, pis. xviii, xix. 
Summary, Zool. Centrlbl. vi, pp. 893-895. 
1239. *Zehntner, L. Shotborer [ Xyleborus perforans ]. Arch. Java- 
Suikerind. 1898, pp. 586, 587. \Coleoptera .] 
Cf. Centrbl. Bakter. v (2), p. 368. 
1240. *——. Over eenige insektenplagen bij de rietkultur op Java. Bijlage 
Arch. Java-Suikerind. 1898, pp. 247-265. [ Coleoptera .] 
Cf. Centrbl. Bakter. 1899 (2), p. 467. 
1241. * -. De plantenluisen van het zuikerriet op Java. v-vn. Arch. 
Java-Suikerind. 1898, pp. 1085-1098, pi. [C'occidce.\ 
Cf. Centrbl. Bakter. v (2), p. 876. 
II. BIOLOGY. 
Subject-Index. 
Primer, Carpenter (195). 
Natural history of Insects, Sharp (1068). 
I. Anatomy and Physiology. 
N.B. The arrangement in the subsections a-g of Anatomy and Physiology is of 
little importance as it will he noticed that each of them is not complete in itself. 
a. Morphology. (See also “ General,” below.) 
Asymmetry, Beh (969). 
Account of Dybowski’s views on the homologies of parts of Arthropods, 
Garbowski (460). 
Homology of germinal layers, derivation of mesenteron, Schwartze 
(1037). 
Morphology and anatomy of head, brain, unpaired sympathetic system, 
cephalic nerves, corpora allata, tentorium, segmental invaginations, Janet 
(601). 
“Corpora allata” in connection with the pharyngeal ganglia, comparative 
anatomy, histology, development, Heymons (536). 
