236 Ins. 
XIII. INSECTA.—DIPTERA. 
PlPUNCULlDA. 
Pipunculidce of N. America, Hough, pp. 77-86, P. Boston Soc. xxix. 
Pipnnculus ater and thomsoni discussed, Strobl, p. 147, Wien. ent. Zcit. 
1899. 
P. atlanticus , p. 80, similis , p. 84, Jlavomaculata , p. 85, N. America, 
Hough, P. Boston Soc. xxix, n. spp. 
Verrallia n. n. to replace Ceplialops Fall., Prothechus Beck, Mik, p. 137, 
Wien. ent. Zeit. 1899. 
SYRPHIDA. 
Anatomy, habits, of larva of Microdon mutabilis , Hecht (523). 
Eristalis tenax , larval anatomy, development and habits, Wahl (1180). 
Lasiophticus annulipes , variety, Villeneuve, p. 132, Bull. Soc. ent. France 
1899. 
Melithreptus distinct/as, p. 177, novceguinece , p. 178, Papua, Kertesz, 
Termes. Fuzetek xxii, n. spp. 
Microdon ; the European species, pp. 138-142, M. wulpii n. n. for apicalis 
Wulp, M. willistonii n. n. for inermis Willist., p. 143, Mik, Wien. ent. 
Zeit. 1899; M. mutabilis , larva, Hecht (523). 
Syritta pipiens var. obscuripes, Strobl, p. 146, Wien. ent. Zeit. 1899. 
Syrphus bcdteatus var. andalusiaca , Strobl, p. 115, t. c. 
Xanthogramma marginale var. morence , Strobl, p. 114, t. c. 
(Estrida. 
Histology of certain tracheae different in various larvae, Prenant (946). 
(Estridce and their economic importance in Sweden, with tables of species, 
figures of larvae etc. Bergman (87). 
Histological peculiarities in larval muscles, Enderlein (344). 
Hypoderma bovis , larval habits, translation of article by Koorevaar 
recorded last year, Austen (50). 
Conopida:. 
Myopa dorsalis var. minor , Strobl, p. 148, Wien. ent. Zeit. 1899. 
Pcdceomyopa n. g. in amber, cf. Palaeoentomology, p. 95. 
Phorida:. 
Relations of Phorida to Aphaniptera , Dahl (266), Heymons (539). 
Phora giraudii , variation, Strobl, p. 148, Wien. ent. Zeit. 1899. 
Puliciphora lucifera , note on, Heymons, Zool. Anz. 1899, pp. 223 etc. 
Muscida Calyptrata. 
Supplementary observations to paper in Denk. Ak. Wien lx, Brauer, 
pp. 519-546, SB. Ak. Wien cvii. 
Critical and synonymical account of examination of types of Bigot, 
Macquart and Robineau-Desvoidy, in the collection of G. H. Verrall, 
164 species, Brauer, pp. 493-518, t. c. 
Pandelle continues his study of Anthomyiidce of France and contiguous 
countries (881). 
